diff --git a/docs/content/faq/_index.cn.md b/docs/content/faq/_index.cn.md
index 66e8326067..3b8ee69468 100644
--- a/docs/content/faq/_index.cn.md
+++ b/docs/content/faq/_index.cn.md
@@ -78,7 +78,7 @@ ElasticJob 已将 IP 地址等敏感信息过滤，导出的信息可在公网
 ElasticJob 执行任务会获取本机IP，首次可能存在获取IP较慢的情况。尝试设置 `-Djava.net.preferIPv4Stack=true`.
 
 
-## 10. Windows环境下，运行ShardingSphere-ElasticJob-UI，找不到或无法加载主类 org.apache.shardingsphere.elasticjob.engine.ui.Bootstrap，如何解决？
+## 10. Windows环境下，运行ShardingSphere-ElasticJob-UI，找不到或无法加载主类 org.apache.shardingsphere.elasticjob.kernel.ui.Bootstrap，如何解决？
 
 回答：
 
diff --git a/docs/content/faq/_index.en.md b/docs/content/faq/_index.en.md
index daebc029bc..cfd93ec08e 100644
--- a/docs/content/faq/_index.en.md
+++ b/docs/content/faq/_index.en.md
@@ -79,7 +79,7 @@ Answer:
 ElasticJob will obtain the local IP when performing task scheduling, and it may be slow to obtain the IP for the first time. Try to set `-Djava.net.preferIPv4Stack=true`.
 
 
-## 10. In Windows env, run ShardingSphere-ElasticJob-UI, could not find or load main class org.apache.shardingsphere.elasticjob.engine.ui.Bootstrap. Why?
+## 10. In Windows env, run ShardingSphere-ElasticJob-UI, could not find or load main class org.apache.shardingsphere.elasticjob.kernel.ui.Bootstrap. Why?
 
 Answer:
 
diff --git a/docs/content/user-manual/configuration/spring-boot-starter.cn.md b/docs/content/user-manual/configuration/spring-boot-starter.cn.md
index c0de545e29..332702eacf 100644
--- a/docs/content/user-manual/configuration/spring-boot-starter.cn.md
+++ b/docs/content/user-manual/configuration/spring-boot-starter.cn.md
@@ -89,7 +89,7 @@ elasticjob.reg-center.server-lists=localhost:6181
 elasticjob:
   jobs:
     simpleJob:
-      elasticJobClass: org.apache.shardingsphere.elasticjob.engine.example.job.SpringBootSimpleJob
+      elasticJobClass: org.apache.shardingsphere.elasticjob.kernel.example.job.SpringBootSimpleJob
       cron: 0/5 * * * * ?
       timeZone: GMT+08:00
       shardingTotalCount: 3
@@ -110,7 +110,7 @@ elasticjob:
 
 **Properties**
 ```
-elasticjob.jobs.simpleJob.elastic-job-class=org.apache.shardingsphere.elasticjob.engine.example.job.SpringBootSimpleJob
+elasticjob.jobs.simpleJob.elastic-job-class=org.apache.shardingsphere.elasticjob.kernel.example.job.SpringBootSimpleJob
 elasticjob.jobs.simpleJob.cron=0/5 * * * * ?
 elasticjob.jobs.simpleJob.timeZone=GMT+08:00
 elasticjob.jobs.simpleJob.sharding-total-count=3
diff --git a/docs/content/user-manual/configuration/spring-boot-starter.en.md b/docs/content/user-manual/configuration/spring-boot-starter.en.md
index b294ca11cb..a50f584d55 100644
--- a/docs/content/user-manual/configuration/spring-boot-starter.en.md
+++ b/docs/content/user-manual/configuration/spring-boot-starter.en.md
@@ -90,7 +90,7 @@ Reference:
 elasticjob:
   jobs:
     simpleJob:
-      elasticJobClass: org.apache.shardingsphere.elasticjob.engine.example.job.SpringBootSimpleJob
+      elasticJobClass: org.apache.shardingsphere.elasticjob.kernel.example.job.SpringBootSimpleJob
       cron: 0/5 * * * * ?
       timeZone: GMT+08:00
       shardingTotalCount: 3
@@ -111,7 +111,7 @@ elasticjob:
 
 **Properties**
 ```
-elasticjob.jobs.simpleJob.elastic-job-class=org.apache.shardingsphere.elasticjob.engine.example.job.SpringBootSimpleJob
+elasticjob.jobs.simpleJob.elastic-job-class=org.apache.shardingsphere.elasticjob.kernel.example.job.SpringBootSimpleJob
 elasticjob.jobs.simpleJob.cron=0/5 * * * * ?
 elasticjob.jobs.simpleJob.timeZone=GMT+08:00
 elasticjob.jobs.simpleJob.sharding-total-count=3
diff --git a/docs/content/user-manual/usage/job-api/spring-namespace.cn.md b/docs/content/user-manual/usage/job-api/spring-namespace.cn.md
index 085df87267..485eb6c8b5 100644
--- a/docs/content/user-manual/usage/job-api/spring-namespace.cn.md
+++ b/docs/content/user-manual/usage/job-api/spring-namespace.cn.md
@@ -52,7 +52,7 @@ ElasticJob 提供自定义的 Spring 命名空间，可以与 Spring 容器配
 
 ```xml
 
-<bean id="oneOffJob" class="org.apache.shardingsphere.elasticjob.engine.example.job.simple.SpringSimpleJob"/>
+<bean id="oneOffJob" class="org.apache.shardingsphere.elasticjob.kernel.example.job.simple.SpringSimpleJob"/>
 <elasticjob:job id="oneOffJobBean" job-ref="oneOffJob" ...  />
 ```
 ```java
diff --git a/docs/content/user-manual/usage/job-api/spring-namespace.en.md b/docs/content/user-manual/usage/job-api/spring-namespace.en.md
index 0f4cb7a37e..f9fd35ccc5 100644
--- a/docs/content/user-manual/usage/job-api/spring-namespace.en.md
+++ b/docs/content/user-manual/usage/job-api/spring-namespace.en.md
@@ -53,7 +53,7 @@ Trigger the job by invoking `execute()` method manually.
 
 ```xml
 
-<bean id="oneOffJob" class="org.apache.shardingsphere.elasticjob.engine.example.job.simple.SpringSimpleJob"/>
+<bean id="oneOffJob" class="org.apache.shardingsphere.elasticjob.kernel.example.job.simple.SpringSimpleJob"/>
 <elasticjob:job id="oneOffJobBean" job-ref="oneOffJob" ...  />
 ```
 ```java
diff --git a/examples/elasticjob-example-embed-zk/src/main/java/org/apache/shardingsphere/elasticjob/engine/example/EmbedZookeeperServer.java b/examples/elasticjob-example-embed-zk/src/main/java/org/apache/shardingsphere/elasticjob/example/EmbedZookeeperServer.java
similarity index 96%
rename from examples/elasticjob-example-embed-zk/src/main/java/org/apache/shardingsphere/elasticjob/engine/example/EmbedZookeeperServer.java
rename to examples/elasticjob-example-embed-zk/src/main/java/org/apache/shardingsphere/elasticjob/example/EmbedZookeeperServer.java
index 7e62108643..9940bc7211 100644
--- a/examples/elasticjob-example-embed-zk/src/main/java/org/apache/shardingsphere/elasticjob/engine/example/EmbedZookeeperServer.java
+++ b/examples/elasticjob-example-embed-zk/src/main/java/org/apache/shardingsphere/elasticjob/example/EmbedZookeeperServer.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.example;
+package org.apache.shardingsphere.elasticjob.example;
 
 import org.apache.curator.test.TestingServer;
 
diff --git a/examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/lite/example/fixture/entity/Foo.java b/examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/example/fixture/entity/Foo.java
similarity index 95%
rename from examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/lite/example/fixture/entity/Foo.java
rename to examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/example/fixture/entity/Foo.java
index 30a8cc1877..530d6e1b58 100644
--- a/examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/lite/example/fixture/entity/Foo.java
+++ b/examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/example/fixture/entity/Foo.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.example.fixture.entity;
+package org.apache.shardingsphere.elasticjob.example.fixture.entity;
 
 import java.io.Serializable;
 
diff --git a/examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/lite/example/fixture/repository/FooRepository.java b/examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/example/fixture/repository/FooRepository.java
similarity index 93%
rename from examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/lite/example/fixture/repository/FooRepository.java
rename to examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/example/fixture/repository/FooRepository.java
index 40ce742dc9..7e814a63d8 100644
--- a/examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/lite/example/fixture/repository/FooRepository.java
+++ b/examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/example/fixture/repository/FooRepository.java
@@ -15,9 +15,9 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.example.fixture.repository;
+package org.apache.shardingsphere.elasticjob.example.fixture.repository;
 
-import org.apache.shardingsphere.elasticjob.engine.example.fixture.entity.Foo;
+import org.apache.shardingsphere.elasticjob.example.fixture.entity.Foo;
 import org.springframework.stereotype.Repository;
 
 import java.util.ArrayList;
diff --git a/examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/lite/example/fixture/repository/FooRepositoryFactory.java b/examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/example/fixture/repository/FooRepositoryFactory.java
similarity index 92%
rename from examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/lite/example/fixture/repository/FooRepositoryFactory.java
rename to examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/example/fixture/repository/FooRepositoryFactory.java
index 3aac7be913..12db547305 100644
--- a/examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/lite/example/fixture/repository/FooRepositoryFactory.java
+++ b/examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/example/fixture/repository/FooRepositoryFactory.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.example.fixture.repository;
+package org.apache.shardingsphere.elasticjob.example.fixture.repository;
 
 public final class FooRepositoryFactory {
     
diff --git a/examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/lite/example/job/dataflow/JavaDataflowJob.java b/examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/example/job/dataflow/JavaDataflowJob.java
similarity index 85%
rename from examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/lite/example/job/dataflow/JavaDataflowJob.java
rename to examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/example/job/dataflow/JavaDataflowJob.java
index 7cde78a4e3..bc3e46d8e1 100644
--- a/examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/lite/example/job/dataflow/JavaDataflowJob.java
+++ b/examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/example/job/dataflow/JavaDataflowJob.java
@@ -15,13 +15,13 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.example.job.dataflow;
+package org.apache.shardingsphere.elasticjob.example.job.dataflow;
 
 import org.apache.shardingsphere.elasticjob.api.ShardingContext;
 import org.apache.shardingsphere.elasticjob.dataflow.job.DataflowJob;
-import org.apache.shardingsphere.elasticjob.engine.example.fixture.entity.Foo;
-import org.apache.shardingsphere.elasticjob.engine.example.fixture.repository.FooRepository;
-import org.apache.shardingsphere.elasticjob.engine.example.fixture.repository.FooRepositoryFactory;
+import org.apache.shardingsphere.elasticjob.example.fixture.entity.Foo;
+import org.apache.shardingsphere.elasticjob.example.fixture.repository.FooRepository;
+import org.apache.shardingsphere.elasticjob.example.fixture.repository.FooRepositoryFactory;
 
 import java.text.SimpleDateFormat;
 import java.util.Date;
diff --git a/examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/lite/example/job/dataflow/SpringDataflowJob.java b/examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/example/job/dataflow/SpringDataflowJob.java
similarity index 89%
rename from examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/lite/example/job/dataflow/SpringDataflowJob.java
rename to examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/example/job/dataflow/SpringDataflowJob.java
index 113ca2b921..02432b7a15 100644
--- a/examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/lite/example/job/dataflow/SpringDataflowJob.java
+++ b/examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/example/job/dataflow/SpringDataflowJob.java
@@ -15,12 +15,12 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.example.job.dataflow;
+package org.apache.shardingsphere.elasticjob.example.job.dataflow;
 
 import org.apache.shardingsphere.elasticjob.api.ShardingContext;
 import org.apache.shardingsphere.elasticjob.dataflow.job.DataflowJob;
-import org.apache.shardingsphere.elasticjob.engine.example.fixture.entity.Foo;
-import org.apache.shardingsphere.elasticjob.engine.example.fixture.repository.FooRepository;
+import org.apache.shardingsphere.elasticjob.example.fixture.entity.Foo;
+import org.apache.shardingsphere.elasticjob.example.fixture.repository.FooRepository;
 
 import javax.annotation.Resource;
 import java.text.SimpleDateFormat;
diff --git a/examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/lite/example/job/simple/JavaOccurErrorJob.java b/examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/example/job/simple/JavaOccurErrorJob.java
similarity index 94%
rename from examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/lite/example/job/simple/JavaOccurErrorJob.java
rename to examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/example/job/simple/JavaOccurErrorJob.java
index 6800716cde..d249d12b72 100644
--- a/examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/lite/example/job/simple/JavaOccurErrorJob.java
+++ b/examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/example/job/simple/JavaOccurErrorJob.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.example.job.simple;
+package org.apache.shardingsphere.elasticjob.example.job.simple;
 
 import org.apache.shardingsphere.elasticjob.api.ShardingContext;
 import org.apache.shardingsphere.elasticjob.simple.job.SimpleJob;
diff --git a/examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/lite/example/job/simple/JavaSimpleJob.java b/examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/example/job/simple/JavaSimpleJob.java
similarity index 82%
rename from examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/lite/example/job/simple/JavaSimpleJob.java
rename to examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/example/job/simple/JavaSimpleJob.java
index 4559ca7b82..92dd4d1d60 100644
--- a/examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/lite/example/job/simple/JavaSimpleJob.java
+++ b/examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/example/job/simple/JavaSimpleJob.java
@@ -15,13 +15,13 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.example.job.simple;
+package org.apache.shardingsphere.elasticjob.example.job.simple;
 
 import org.apache.shardingsphere.elasticjob.api.ShardingContext;
 import org.apache.shardingsphere.elasticjob.simple.job.SimpleJob;
-import org.apache.shardingsphere.elasticjob.engine.example.fixture.entity.Foo;
-import org.apache.shardingsphere.elasticjob.engine.example.fixture.repository.FooRepository;
-import org.apache.shardingsphere.elasticjob.engine.example.fixture.repository.FooRepositoryFactory;
+import org.apache.shardingsphere.elasticjob.example.fixture.entity.Foo;
+import org.apache.shardingsphere.elasticjob.example.fixture.repository.FooRepository;
+import org.apache.shardingsphere.elasticjob.example.fixture.repository.FooRepositoryFactory;
 
 import java.text.SimpleDateFormat;
 import java.util.Date;
diff --git a/examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/lite/example/job/simple/SpringSimpleJob.java b/examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/example/job/simple/SpringSimpleJob.java
similarity index 87%
rename from examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/lite/example/job/simple/SpringSimpleJob.java
rename to examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/example/job/simple/SpringSimpleJob.java
index 5cc613497a..f42c0a8455 100644
--- a/examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/lite/example/job/simple/SpringSimpleJob.java
+++ b/examples/elasticjob-example-jobs/src/main/java/org/apache/shardingsphere/elasticjob/example/job/simple/SpringSimpleJob.java
@@ -15,12 +15,12 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.example.job.simple;
+package org.apache.shardingsphere.elasticjob.example.job.simple;
 
 import org.apache.shardingsphere.elasticjob.api.ShardingContext;
 import org.apache.shardingsphere.elasticjob.simple.job.SimpleJob;
-import org.apache.shardingsphere.elasticjob.engine.example.fixture.entity.Foo;
-import org.apache.shardingsphere.elasticjob.engine.example.fixture.repository.FooRepository;
+import org.apache.shardingsphere.elasticjob.example.fixture.entity.Foo;
+import org.apache.shardingsphere.elasticjob.example.fixture.repository.FooRepository;
 
 import javax.annotation.Resource;
 import java.text.SimpleDateFormat;
diff --git a/examples/elasticjob-example-lite-java/src/main/java/org/apache/shardingsphere/elasticjob/lite/example/JavaMain.java b/examples/elasticjob-example-lite-java/src/main/java/org/apache/shardingsphere/elasticjob/example/JavaMain.java
similarity index 95%
rename from examples/elasticjob-example-lite-java/src/main/java/org/apache/shardingsphere/elasticjob/lite/example/JavaMain.java
rename to examples/elasticjob-example-lite-java/src/main/java/org/apache/shardingsphere/elasticjob/example/JavaMain.java
index 5f68554367..d8cc2bbaeb 100644
--- a/examples/elasticjob-example-lite-java/src/main/java/org/apache/shardingsphere/elasticjob/lite/example/JavaMain.java
+++ b/examples/elasticjob-example-lite-java/src/main/java/org/apache/shardingsphere/elasticjob/example/JavaMain.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.example;
+package org.apache.shardingsphere.elasticjob.example;
 
 import org.apache.commons.dbcp2.BasicDataSource;
 import org.apache.shardingsphere.elasticjob.api.JobConfiguration;
@@ -23,12 +23,12 @@
 import org.apache.shardingsphere.elasticjob.error.handler.dingtalk.DingtalkPropertiesConstants;
 import org.apache.shardingsphere.elasticjob.error.handler.email.EmailPropertiesConstants;
 import org.apache.shardingsphere.elasticjob.error.handler.wechat.WechatPropertiesConstants;
+import org.apache.shardingsphere.elasticjob.example.job.dataflow.JavaDataflowJob;
 import org.apache.shardingsphere.elasticjob.http.props.HttpJobProperties;
-import org.apache.shardingsphere.elasticjob.engine.api.bootstrap.impl.OneOffJobBootstrap;
-import org.apache.shardingsphere.elasticjob.engine.api.bootstrap.impl.ScheduleJobBootstrap;
-import org.apache.shardingsphere.elasticjob.engine.example.job.dataflow.JavaDataflowJob;
-import org.apache.shardingsphere.elasticjob.engine.example.job.simple.JavaOccurErrorJob;
-import org.apache.shardingsphere.elasticjob.engine.example.job.simple.JavaSimpleJob;
+import org.apache.shardingsphere.elasticjob.kernel.api.bootstrap.impl.OneOffJobBootstrap;
+import org.apache.shardingsphere.elasticjob.kernel.api.bootstrap.impl.ScheduleJobBootstrap;
+import org.apache.shardingsphere.elasticjob.example.job.simple.JavaOccurErrorJob;
+import org.apache.shardingsphere.elasticjob.example.job.simple.JavaSimpleJob;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 import org.apache.shardingsphere.elasticjob.reg.zookeeper.ZookeeperConfiguration;
 import org.apache.shardingsphere.elasticjob.reg.zookeeper.ZookeeperRegistryCenter;
diff --git a/examples/elasticjob-example-lite-spring/src/main/java/org/apache/shardingsphere/elasticjob/lite/example/SpringMain.java b/examples/elasticjob-example-lite-spring/src/main/java/org/apache/shardingsphere/elasticjob/example/SpringMain.java
similarity index 95%
rename from examples/elasticjob-example-lite-spring/src/main/java/org/apache/shardingsphere/elasticjob/lite/example/SpringMain.java
rename to examples/elasticjob-example-lite-spring/src/main/java/org/apache/shardingsphere/elasticjob/example/SpringMain.java
index ccbbaf638f..a83e6346ae 100644
--- a/examples/elasticjob-example-lite-spring/src/main/java/org/apache/shardingsphere/elasticjob/lite/example/SpringMain.java
+++ b/examples/elasticjob-example-lite-spring/src/main/java/org/apache/shardingsphere/elasticjob/example/SpringMain.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.example;
+package org.apache.shardingsphere.elasticjob.example;
 
 import org.springframework.context.support.ClassPathXmlApplicationContext;
 
diff --git a/examples/elasticjob-example-lite-spring/src/main/resources/META-INF/application-context.xml b/examples/elasticjob-example-lite-spring/src/main/resources/META-INF/application-context.xml
index e937ea9bd1..4706d4fda0 100644
--- a/examples/elasticjob-example-lite-spring/src/main/resources/META-INF/application-context.xml
+++ b/examples/elasticjob-example-lite-spring/src/main/resources/META-INF/application-context.xml
@@ -27,7 +27,7 @@
                         http://shardingsphere.apache.org/schema/elasticjob
                         http://shardingsphere.apache.org/schema/elasticjob/elasticjob.xsd
                         ">
-    <context:component-scan base-package="org.apache.shardingsphere.elasticjob.engine.example" />
+    <context:component-scan base-package="org.apache.shardingsphere.elasticjob.example" />
     <context:property-placeholder location="classpath:conf/*.properties"/>
     
     <elasticjob:zookeeper id="regCenter" server-lists="${serverLists}" namespace="${namespace}"
@@ -45,8 +45,8 @@
 
     <elasticjob:rdb-tracing id="elasticJobTrace" data-source-ref="elasticJobTracingDataSource" />
 
-    <bean id="simpleJob" class="org.apache.shardingsphere.elasticjob.engine.example.job.simple.SpringSimpleJob" />
-    <bean id="dataflowJob" class="org.apache.shardingsphere.elasticjob.engine.example.job.dataflow.SpringDataflowJob" />
+    <bean id="simpleJob" class="org.apache.shardingsphere.elasticjob.example.job.simple.SpringSimpleJob" />
+    <bean id="dataflowJob" class="org.apache.shardingsphere.elasticjob.example.job.dataflow.SpringDataflowJob" />
 
     <elasticjob:job id="${simple.id}" job-ref="simpleJob" registry-center-ref="regCenter" tracing-ref="elasticJobTrace"
                     sharding-total-count="${simple.shardingTotalCount}" cron="${simple.cron}"
@@ -68,7 +68,7 @@
 
 
     <!-- use One-off job-->
-<!--    <bean id="oneOffJob" class="org.apache.shardingsphere.elasticjob.engine.example.job.simple.SpringSimpleJob" />-->
+<!--    <bean id="oneOffJob" class="org.apache.shardingsphere.elasticjob.kernel.example.job.simple.SpringSimpleJob" />-->
 <!--    <elasticjob:job id="oneOffJobBean" job-ref="oneOffJob" registry-center-ref="regCenter" tracing-ref="elasticJobTrace"-->
 <!--      sharding-total-count="${simple.shardingTotalCount}"-->
 <!--      sharding-item-parameters="${simple.shardingItemParameters}"-->
@@ -87,7 +87,7 @@
     <!--</elasticjob:job>-->
     
     <!-- use email error handler -->
-<!--    <bean id="occurErrorNoticeEmailJob" class="org.apache.shardingsphere.elasticjob.engine.example.job.simple.JavaOccurErrorJob" />-->
+<!--    <bean id="occurErrorNoticeEmailJob" class="org.apache.shardingsphere.elasticjob.kernel.example.job.simple.JavaOccurErrorJob" />-->
 <!--    <elasticjob:job id="${occurErrorNoticeEmailJob.id}" job-ref="occurErrorNoticeEmailJob"-->
 <!--                    registry-center-ref="regCenter" tracing-ref="elasticJobTrace"-->
 <!--                    sharding-total-count="${occurErrorNoticeEmailJob.shardingTotalCount}"-->
@@ -109,7 +109,7 @@
 <!--    </elasticjob:job>-->
     
     <!-- use dingtalk error handler -->
-<!--    <bean id="occurErrorNoticeDingtalkJob" class="org.apache.shardingsphere.elasticjob.engine.example.job.simple.JavaOccurErrorJob" />-->
+<!--    <bean id="occurErrorNoticeDingtalkJob" class="org.apache.shardingsphere.elasticjob.kernel.example.job.simple.JavaOccurErrorJob" />-->
 <!--    <elasticjob:job id="${occurErrorNoticeDingtalkJob.id}" job-ref="occurErrorNoticeDingtalkJob"-->
 <!--                    registry-center-ref="regCenter" tracing-ref="elasticJobTrace"-->
 <!--                    sharding-total-count="${occurErrorNoticeDingtalkJob.shardingTotalCount}"-->
@@ -131,7 +131,7 @@
 <!--    </elasticjob:job>-->
     
     <!-- use wechat error handler -->
-<!--    <bean id="occurErrorNoticeWechatJob" class="org.apache.shardingsphere.elasticjob.engine.example.job.simple.JavaOccurErrorJob" />-->
+<!--    <bean id="occurErrorNoticeWechatJob" class="org.apache.shardingsphere.elasticjob.kernel.example.job.simple.JavaOccurErrorJob" />-->
 <!--    <elasticjob:job id="${occurErrorNoticeWechatJob.id}" job-ref="occurErrorNoticeWechatJob"-->
 <!--                    registry-center-ref="regCenter" tracing-ref="elasticJobTrace"-->
 <!--                    sharding-total-count="${occurErrorNoticeWechatJob.shardingTotalCount}"-->
diff --git a/examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/engine/example/SpringBootMain.java b/examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/example/SpringBootMain.java
similarity index 95%
rename from examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/engine/example/SpringBootMain.java
rename to examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/example/SpringBootMain.java
index 36904fd31c..d227274153 100644
--- a/examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/engine/example/SpringBootMain.java
+++ b/examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/example/SpringBootMain.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.example;
+package org.apache.shardingsphere.elasticjob.example;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
diff --git a/examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/engine/example/controller/OneOffJobController.java b/examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/example/controller/OneOffJobController.java
similarity index 94%
rename from examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/engine/example/controller/OneOffJobController.java
rename to examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/example/controller/OneOffJobController.java
index aed8e8af8b..23a4ac01ce 100644
--- a/examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/engine/example/controller/OneOffJobController.java
+++ b/examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/example/controller/OneOffJobController.java
@@ -15,15 +15,16 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.example.controller;
+package org.apache.shardingsphere.elasticjob.example.controller;
 
-import javax.annotation.Resource;
-import org.apache.shardingsphere.elasticjob.engine.api.bootstrap.impl.OneOffJobBootstrap;
+import org.apache.shardingsphere.elasticjob.kernel.api.bootstrap.impl.OneOffJobBootstrap;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Qualifier;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RestController;
 
+import javax.annotation.Resource;
+
 @RestController
 public class OneOffJobController {
     
diff --git a/examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/engine/example/entity/Foo.java b/examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/example/entity/Foo.java
similarity index 96%
rename from examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/engine/example/entity/Foo.java
rename to examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/example/entity/Foo.java
index c51f0be5ed..219d5acc00 100644
--- a/examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/engine/example/entity/Foo.java
+++ b/examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/example/entity/Foo.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.example.entity;
+package org.apache.shardingsphere.elasticjob.example.entity;
 
 import java.io.Serializable;
 
diff --git a/examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/engine/example/job/SpringBootDataflowJob.java b/examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/example/job/SpringBootDataflowJob.java
similarity index 90%
rename from examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/engine/example/job/SpringBootDataflowJob.java
rename to examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/example/job/SpringBootDataflowJob.java
index 5da6e447ad..40a5e0ff84 100644
--- a/examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/engine/example/job/SpringBootDataflowJob.java
+++ b/examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/example/job/SpringBootDataflowJob.java
@@ -15,12 +15,12 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.example.job;
+package org.apache.shardingsphere.elasticjob.example.job;
 
 import org.apache.shardingsphere.elasticjob.api.ShardingContext;
 import org.apache.shardingsphere.elasticjob.dataflow.job.DataflowJob;
-import org.apache.shardingsphere.elasticjob.engine.example.entity.Foo;
-import org.apache.shardingsphere.elasticjob.engine.example.repository.FooRepository;
+import org.apache.shardingsphere.elasticjob.example.entity.Foo;
+import org.apache.shardingsphere.elasticjob.example.repository.FooRepository;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.stereotype.Component;
diff --git a/examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/engine/example/job/SpringBootOccurErrorNoticeDingtalkJob.java b/examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/example/job/SpringBootOccurErrorNoticeDingtalkJob.java
similarity index 95%
rename from examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/engine/example/job/SpringBootOccurErrorNoticeDingtalkJob.java
rename to examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/example/job/SpringBootOccurErrorNoticeDingtalkJob.java
index 3317492a8b..fb33a35271 100644
--- a/examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/engine/example/job/SpringBootOccurErrorNoticeDingtalkJob.java
+++ b/examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/example/job/SpringBootOccurErrorNoticeDingtalkJob.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.example.job;
+package org.apache.shardingsphere.elasticjob.example.job;
 
 import org.apache.shardingsphere.elasticjob.api.ShardingContext;
 import org.apache.shardingsphere.elasticjob.simple.job.SimpleJob;
diff --git a/examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/engine/example/job/SpringBootOccurErrorNoticeEmailJob.java b/examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/example/job/SpringBootOccurErrorNoticeEmailJob.java
similarity index 95%
rename from examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/engine/example/job/SpringBootOccurErrorNoticeEmailJob.java
rename to examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/example/job/SpringBootOccurErrorNoticeEmailJob.java
index 575689075b..f6c7e69046 100644
--- a/examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/engine/example/job/SpringBootOccurErrorNoticeEmailJob.java
+++ b/examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/example/job/SpringBootOccurErrorNoticeEmailJob.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.example.job;
+package org.apache.shardingsphere.elasticjob.example.job;
 
 import org.apache.shardingsphere.elasticjob.api.ShardingContext;
 import org.apache.shardingsphere.elasticjob.simple.job.SimpleJob;
diff --git a/examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/engine/example/job/SpringBootOccurErrorNoticeWechatJob.java b/examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/example/job/SpringBootOccurErrorNoticeWechatJob.java
similarity index 95%
rename from examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/engine/example/job/SpringBootOccurErrorNoticeWechatJob.java
rename to examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/example/job/SpringBootOccurErrorNoticeWechatJob.java
index 41a08980d4..b998458a44 100644
--- a/examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/engine/example/job/SpringBootOccurErrorNoticeWechatJob.java
+++ b/examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/example/job/SpringBootOccurErrorNoticeWechatJob.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.example.job;
+package org.apache.shardingsphere.elasticjob.example.job;
 
 import org.apache.shardingsphere.elasticjob.api.ShardingContext;
 import org.apache.shardingsphere.elasticjob.simple.job.SimpleJob;
diff --git a/examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/engine/example/job/SpringBootSimpleJob.java b/examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/example/job/SpringBootSimpleJob.java
similarity index 89%
rename from examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/engine/example/job/SpringBootSimpleJob.java
rename to examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/example/job/SpringBootSimpleJob.java
index cc15b3fb61..85109787ed 100644
--- a/examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/engine/example/job/SpringBootSimpleJob.java
+++ b/examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/example/job/SpringBootSimpleJob.java
@@ -15,11 +15,11 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.example.job;
+package org.apache.shardingsphere.elasticjob.example.job;
 
 import org.apache.shardingsphere.elasticjob.api.ShardingContext;
-import org.apache.shardingsphere.elasticjob.engine.example.entity.Foo;
-import org.apache.shardingsphere.elasticjob.engine.example.repository.FooRepository;
+import org.apache.shardingsphere.elasticjob.example.entity.Foo;
+import org.apache.shardingsphere.elasticjob.example.repository.FooRepository;
 import org.apache.shardingsphere.elasticjob.simple.job.SimpleJob;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
diff --git a/examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/engine/example/repository/FooRepository.java b/examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/example/repository/FooRepository.java
similarity index 93%
rename from examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/engine/example/repository/FooRepository.java
rename to examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/example/repository/FooRepository.java
index 6dfe994a7a..fa1a2267f9 100644
--- a/examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/engine/example/repository/FooRepository.java
+++ b/examples/elasticjob-example-lite-springboot/src/main/java/org/apache/shardingsphere/elasticjob/example/repository/FooRepository.java
@@ -15,9 +15,9 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.example.repository;
+package org.apache.shardingsphere.elasticjob.example.repository;
 
-import org.apache.shardingsphere.elasticjob.engine.example.entity.Foo;
+import org.apache.shardingsphere.elasticjob.example.entity.Foo;
 import org.springframework.stereotype.Repository;
 
 import java.util.ArrayList;
diff --git a/examples/elasticjob-example-lite-springboot/src/main/resources/application.yml b/examples/elasticjob-example-lite-springboot/src/main/resources/application.yml
index f3be9ed814..c7c86494ef 100644
--- a/examples/elasticjob-example-lite-springboot/src/main/resources/application.yml
+++ b/examples/elasticjob-example-lite-springboot/src/main/resources/application.yml
@@ -10,12 +10,12 @@ elasticjob:
     namespace: elasticjob-springboot
   jobs:
     simpleJob:
-      elasticJobClass: org.apache.shardingsphere.elasticjob.engine.example.job.SpringBootSimpleJob
+      elasticJobClass: org.apache.shardingsphere.elasticjob.kernel.example.job.SpringBootSimpleJob
       cron: 0/5 * * * * ?
       shardingTotalCount: 3
       shardingItemParameters: 0=Beijing,1=Shanghai,2=Guangzhou
     dataflowJob:
-      elasticJobClass: org.apache.shardingsphere.elasticjob.engine.example.job.SpringBootDataflowJob
+      elasticJobClass: org.apache.shardingsphere.elasticjob.kernel.example.job.SpringBootDataflowJob
       cron: 0/5 * * * * ?
       shardingTotalCount: 3
       shardingItemParameters: 0=Beijing,1=Shanghai,2=Guangzhou
@@ -32,7 +32,7 @@ elasticjob:
       props:
         script.command.line: "echo Manual SCRIPT Job: "
     occurErrorNoticeDingtalkJob:
-      elasticJobClass: org.apache.shardingsphere.elasticjob.engine.example.job.SpringBootOccurErrorNoticeDingtalkJob
+      elasticJobClass: org.apache.shardingsphere.elasticjob.kernel.example.job.SpringBootOccurErrorNoticeDingtalkJob
       overwrite: true
       shardingTotalCount: 3
       shardingItemParameters: 0=Beijing,1=Shanghai,2=Guangzhou
@@ -46,7 +46,7 @@ elasticjob:
           connectTimeout: 3000
           readTimeout: 5000
     occurErrorNoticeWechatJob:
-      elasticJobClass: org.apache.shardingsphere.elasticjob.engine.example.job.SpringBootOccurErrorNoticeWechatJob
+      elasticJobClass: org.apache.shardingsphere.elasticjob.kernel.kernel.job.SpringBootOccurErrorNoticeWechatJob
       overwrite: true
       shardingTotalCount: 3
       shardingItemParameters: 0=Beijing,1=Shanghai,2=Guangzhou
@@ -58,7 +58,7 @@ elasticjob:
           connectTimeout: 3000
           readTimeout: 5000
     occurErrorNoticeEmailJob:
-      elasticJobClass: org.apache.shardingsphere.elasticjob.engine.example.job.SpringBootOccurErrorNoticeEmailJob
+      elasticJobClass: org.apache.shardingsphere.elasticjob.kernel.kernel.job.SpringBootOccurErrorNoticeEmailJob
       overwrite: true
       shardingTotalCount: 3
       shardingItemParameters: 0=Beijing,1=Shanghai,2=Guangzhou
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/api/bootstrap/JobBootstrap.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/api/bootstrap/JobBootstrap.java
similarity index 93%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/api/bootstrap/JobBootstrap.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/api/bootstrap/JobBootstrap.java
index c734833fc1..b898b877d7 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/api/bootstrap/JobBootstrap.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/api/bootstrap/JobBootstrap.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.api.bootstrap;
+package org.apache.shardingsphere.elasticjob.kernel.api.bootstrap;
 
 /**
  * Job bootstrap.
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/api/bootstrap/impl/OneOffJobBootstrap.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/api/bootstrap/impl/OneOffJobBootstrap.java
similarity index 89%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/api/bootstrap/impl/OneOffJobBootstrap.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/api/bootstrap/impl/OneOffJobBootstrap.java
index 499f5ffdbc..1119e57577 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/api/bootstrap/impl/OneOffJobBootstrap.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/api/bootstrap/impl/OneOffJobBootstrap.java
@@ -15,16 +15,16 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.api.bootstrap.impl;
+package org.apache.shardingsphere.elasticjob.kernel.api.bootstrap.impl;
 
 import com.google.common.base.Preconditions;
 import com.google.common.base.Strings;
 import org.apache.shardingsphere.elasticjob.api.ElasticJob;
 import org.apache.shardingsphere.elasticjob.api.JobConfiguration;
-import org.apache.shardingsphere.elasticjob.engine.api.bootstrap.JobBootstrap;
-import org.apache.shardingsphere.elasticjob.engine.internal.annotation.JobAnnotationBuilder;
-import org.apache.shardingsphere.elasticjob.engine.internal.instance.InstanceService;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobScheduler;
+import org.apache.shardingsphere.elasticjob.kernel.api.bootstrap.JobBootstrap;
+import org.apache.shardingsphere.elasticjob.kernel.internal.annotation.JobAnnotationBuilder;
+import org.apache.shardingsphere.elasticjob.kernel.internal.instance.InstanceService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobScheduler;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 
 /**
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/api/bootstrap/impl/ScheduleJobBootstrap.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/api/bootstrap/impl/ScheduleJobBootstrap.java
similarity index 90%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/api/bootstrap/impl/ScheduleJobBootstrap.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/api/bootstrap/impl/ScheduleJobBootstrap.java
index a45116f23c..2632fa4926 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/api/bootstrap/impl/ScheduleJobBootstrap.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/api/bootstrap/impl/ScheduleJobBootstrap.java
@@ -15,15 +15,15 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.api.bootstrap.impl;
+package org.apache.shardingsphere.elasticjob.kernel.api.bootstrap.impl;
 
 import com.google.common.base.Preconditions;
 import com.google.common.base.Strings;
 import org.apache.shardingsphere.elasticjob.api.ElasticJob;
 import org.apache.shardingsphere.elasticjob.api.JobConfiguration;
-import org.apache.shardingsphere.elasticjob.engine.api.bootstrap.JobBootstrap;
-import org.apache.shardingsphere.elasticjob.engine.internal.annotation.JobAnnotationBuilder;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobScheduler;
+import org.apache.shardingsphere.elasticjob.kernel.api.bootstrap.JobBootstrap;
+import org.apache.shardingsphere.elasticjob.kernel.internal.annotation.JobAnnotationBuilder;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobScheduler;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 
 /**
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/api/listener/AbstractDistributeOnceElasticJobListener.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/api/listener/AbstractDistributeOnceElasticJobListener.java
similarity index 97%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/api/listener/AbstractDistributeOnceElasticJobListener.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/api/listener/AbstractDistributeOnceElasticJobListener.java
index 0ef6456c45..8a5970491d 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/api/listener/AbstractDistributeOnceElasticJobListener.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/api/listener/AbstractDistributeOnceElasticJobListener.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.api.listener;
+package org.apache.shardingsphere.elasticjob.kernel.api.listener;
 
 import lombok.Setter;
 import org.apache.shardingsphere.elasticjob.infra.concurrent.BlockUtils;
@@ -23,7 +23,7 @@
 import org.apache.shardingsphere.elasticjob.infra.exception.JobSystemException;
 import org.apache.shardingsphere.elasticjob.infra.listener.ElasticJobListener;
 import org.apache.shardingsphere.elasticjob.infra.listener.ShardingContexts;
-import org.apache.shardingsphere.elasticjob.engine.internal.guarantee.GuaranteeService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.guarantee.GuaranteeService;
 
 import java.util.Set;
 
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/api/registry/JobInstanceRegistry.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/api/registry/JobInstanceRegistry.java
similarity index 94%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/api/registry/JobInstanceRegistry.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/api/registry/JobInstanceRegistry.java
index 1ae7873074..769e1076c3 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/api/registry/JobInstanceRegistry.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/api/registry/JobInstanceRegistry.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.api.registry;
+package org.apache.shardingsphere.elasticjob.kernel.api.registry;
 
 import lombok.RequiredArgsConstructor;
 
@@ -25,9 +25,9 @@
 import org.apache.shardingsphere.elasticjob.infra.handler.sharding.JobInstance;
 import org.apache.shardingsphere.elasticjob.infra.pojo.JobConfigurationPOJO;
 import org.apache.shardingsphere.elasticjob.infra.yaml.YamlEngine;
-import org.apache.shardingsphere.elasticjob.engine.api.bootstrap.impl.OneOffJobBootstrap;
-import org.apache.shardingsphere.elasticjob.engine.api.bootstrap.impl.ScheduleJobBootstrap;
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodePath;
+import org.apache.shardingsphere.elasticjob.kernel.api.bootstrap.impl.OneOffJobBootstrap;
+import org.apache.shardingsphere.elasticjob.kernel.api.bootstrap.impl.ScheduleJobBootstrap;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodePath;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 import org.apache.shardingsphere.elasticjob.reg.listener.DataChangedEvent;
 import org.apache.shardingsphere.elasticjob.reg.listener.DataChangedEventListener;
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/annotation/JobAnnotationBuilder.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/annotation/JobAnnotationBuilder.java
similarity index 98%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/annotation/JobAnnotationBuilder.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/annotation/JobAnnotationBuilder.java
index 991c7d3542..66a088323e 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/annotation/JobAnnotationBuilder.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/annotation/JobAnnotationBuilder.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.annotation;
+package org.apache.shardingsphere.elasticjob.kernel.internal.annotation;
 
 import com.google.common.base.Preconditions;
 import com.google.common.base.Strings;
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/config/ConfigurationNode.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/config/ConfigurationNode.java
similarity index 91%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/config/ConfigurationNode.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/config/ConfigurationNode.java
index a436932d86..0c1b07233b 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/config/ConfigurationNode.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/config/ConfigurationNode.java
@@ -15,9 +15,9 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.config;
+package org.apache.shardingsphere.elasticjob.kernel.internal.config;
 
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodePath;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodePath;
 
 /**
  * Configuration node.
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/config/ConfigurationService.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/config/ConfigurationService.java
similarity index 97%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/config/ConfigurationService.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/config/ConfigurationService.java
index 745a3f4801..4c37a4b0f1 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/config/ConfigurationService.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/config/ConfigurationService.java
@@ -15,14 +15,14 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.config;
+package org.apache.shardingsphere.elasticjob.kernel.internal.config;
 
 import org.apache.commons.lang3.StringUtils;
 import org.apache.shardingsphere.elasticjob.api.JobConfiguration;
 import org.apache.shardingsphere.elasticjob.infra.exception.JobConfigurationException;
 import org.apache.shardingsphere.elasticjob.infra.exception.JobExecutionEnvironmentException;
 import org.apache.shardingsphere.elasticjob.infra.pojo.JobConfigurationPOJO;
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodeStorage;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodeStorage;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 import org.apache.shardingsphere.elasticjob.infra.env.TimeService;
 import org.apache.shardingsphere.elasticjob.infra.yaml.YamlEngine;
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/config/RescheduleListenerManager.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/config/RescheduleListenerManager.java
similarity index 93%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/config/RescheduleListenerManager.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/config/RescheduleListenerManager.java
index 6139485344..897160d634 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/config/RescheduleListenerManager.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/config/RescheduleListenerManager.java
@@ -15,14 +15,14 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.config;
+package org.apache.shardingsphere.elasticjob.kernel.internal.config;
 
 import org.apache.commons.lang3.StringUtils;
 import org.apache.shardingsphere.elasticjob.api.JobConfiguration;
 import org.apache.shardingsphere.elasticjob.infra.pojo.JobConfigurationPOJO;
 import org.apache.shardingsphere.elasticjob.infra.yaml.YamlEngine;
-import org.apache.shardingsphere.elasticjob.engine.internal.listener.AbstractListenerManager;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.internal.listener.AbstractListenerManager;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 import org.apache.shardingsphere.elasticjob.reg.listener.DataChangedEvent;
 import org.apache.shardingsphere.elasticjob.reg.listener.DataChangedEvent.Type;
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/election/ElectionListenerManager.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/election/ElectionListenerManager.java
similarity index 91%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/election/ElectionListenerManager.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/election/ElectionListenerManager.java
index 94ec7762c5..b46ef9312c 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/election/ElectionListenerManager.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/election/ElectionListenerManager.java
@@ -15,14 +15,14 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.election;
+package org.apache.shardingsphere.elasticjob.kernel.internal.election;
 
 import org.apache.shardingsphere.elasticjob.infra.handler.sharding.JobInstance;
-import org.apache.shardingsphere.elasticjob.engine.internal.listener.AbstractListenerManager;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
-import org.apache.shardingsphere.elasticjob.engine.internal.server.ServerNode;
-import org.apache.shardingsphere.elasticjob.engine.internal.server.ServerService;
-import org.apache.shardingsphere.elasticjob.engine.internal.server.ServerStatus;
+import org.apache.shardingsphere.elasticjob.kernel.internal.listener.AbstractListenerManager;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.internal.server.ServerNode;
+import org.apache.shardingsphere.elasticjob.kernel.internal.server.ServerService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.server.ServerStatus;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 import org.apache.shardingsphere.elasticjob.reg.listener.DataChangedEvent;
 import org.apache.shardingsphere.elasticjob.reg.listener.DataChangedEvent.Type;
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/election/LeaderNode.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/election/LeaderNode.java
similarity index 91%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/election/LeaderNode.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/election/LeaderNode.java
index df9bdb97bd..748814a7e8 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/election/LeaderNode.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/election/LeaderNode.java
@@ -15,9 +15,9 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.election;
+package org.apache.shardingsphere.elasticjob.kernel.internal.election;
 
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodePath;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodePath;
 
 /**
  * Leader path node.
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/election/LeaderService.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/election/LeaderService.java
similarity index 93%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/election/LeaderService.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/election/LeaderService.java
index f83dff2640..628d99cbf6 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/election/LeaderService.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/election/LeaderService.java
@@ -15,13 +15,13 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.election;
+package org.apache.shardingsphere.elasticjob.kernel.internal.election;
 
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
-import org.apache.shardingsphere.elasticjob.engine.internal.server.ServerService;
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodeStorage;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.internal.server.ServerService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodeStorage;
 import org.apache.shardingsphere.elasticjob.reg.base.LeaderExecutionCallback;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 import org.apache.shardingsphere.elasticjob.infra.concurrent.BlockUtils;
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/failover/FailoverListenerManager.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/failover/FailoverListenerManager.java
similarity index 92%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/failover/FailoverListenerManager.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/failover/FailoverListenerManager.java
index aec6e44787..81e0466449 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/failover/FailoverListenerManager.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/failover/FailoverListenerManager.java
@@ -15,19 +15,19 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.failover;
+package org.apache.shardingsphere.elasticjob.kernel.internal.failover;
 
 import org.apache.shardingsphere.elasticjob.infra.handler.sharding.JobInstance;
 import org.apache.shardingsphere.elasticjob.infra.pojo.JobConfigurationPOJO;
 import org.apache.shardingsphere.elasticjob.infra.yaml.YamlEngine;
-import org.apache.shardingsphere.elasticjob.engine.internal.config.ConfigurationNode;
-import org.apache.shardingsphere.elasticjob.engine.internal.config.ConfigurationService;
-import org.apache.shardingsphere.elasticjob.engine.internal.instance.InstanceNode;
-import org.apache.shardingsphere.elasticjob.engine.internal.instance.InstanceService;
-import org.apache.shardingsphere.elasticjob.engine.internal.listener.AbstractListenerManager;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
-import org.apache.shardingsphere.elasticjob.engine.internal.sharding.ExecutionService;
-import org.apache.shardingsphere.elasticjob.engine.internal.sharding.ShardingService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.config.ConfigurationNode;
+import org.apache.shardingsphere.elasticjob.kernel.internal.config.ConfigurationService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.instance.InstanceNode;
+import org.apache.shardingsphere.elasticjob.kernel.internal.instance.InstanceService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.listener.AbstractListenerManager;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.internal.sharding.ExecutionService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.sharding.ShardingService;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 import org.apache.shardingsphere.elasticjob.reg.listener.DataChangedEvent;
 import org.apache.shardingsphere.elasticjob.reg.listener.DataChangedEvent.Type;
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/failover/FailoverNode.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/failover/FailoverNode.java
similarity index 91%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/failover/FailoverNode.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/failover/FailoverNode.java
index b09863920c..1a12f28902 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/failover/FailoverNode.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/failover/FailoverNode.java
@@ -15,11 +15,11 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.failover;
+package org.apache.shardingsphere.elasticjob.kernel.internal.failover;
 
-import org.apache.shardingsphere.elasticjob.engine.internal.election.LeaderNode;
-import org.apache.shardingsphere.elasticjob.engine.internal.sharding.ShardingNode;
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodePath;
+import org.apache.shardingsphere.elasticjob.kernel.internal.election.LeaderNode;
+import org.apache.shardingsphere.elasticjob.kernel.internal.sharding.ShardingNode;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodePath;
 
 /**
  * Failover node.
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/failover/FailoverService.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/failover/FailoverService.java
similarity index 95%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/failover/FailoverService.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/failover/FailoverService.java
index 8af02351e6..7499ee456d 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/failover/FailoverService.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/failover/FailoverService.java
@@ -15,17 +15,17 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.failover;
+package org.apache.shardingsphere.elasticjob.kernel.internal.failover;
 
 import com.google.common.base.Strings;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.shardingsphere.elasticjob.infra.handler.sharding.JobInstance;
-import org.apache.shardingsphere.elasticjob.engine.internal.config.ConfigurationService;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobScheduleController;
-import org.apache.shardingsphere.elasticjob.engine.internal.sharding.ShardingNode;
-import org.apache.shardingsphere.elasticjob.engine.internal.sharding.ShardingService;
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodeStorage;
+import org.apache.shardingsphere.elasticjob.kernel.internal.config.ConfigurationService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobScheduleController;
+import org.apache.shardingsphere.elasticjob.kernel.internal.sharding.ShardingNode;
+import org.apache.shardingsphere.elasticjob.kernel.internal.sharding.ShardingService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodeStorage;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 import org.apache.shardingsphere.elasticjob.reg.base.LeaderExecutionCallback;
 
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/guarantee/GuaranteeListenerManager.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/guarantee/GuaranteeListenerManager.java
similarity index 94%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/guarantee/GuaranteeListenerManager.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/guarantee/GuaranteeListenerManager.java
index 897ad134ef..d0c8937da4 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/guarantee/GuaranteeListenerManager.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/guarantee/GuaranteeListenerManager.java
@@ -15,11 +15,11 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.guarantee;
+package org.apache.shardingsphere.elasticjob.kernel.internal.guarantee;
 
 import org.apache.shardingsphere.elasticjob.infra.listener.ElasticJobListener;
-import org.apache.shardingsphere.elasticjob.engine.api.listener.AbstractDistributeOnceElasticJobListener;
-import org.apache.shardingsphere.elasticjob.engine.internal.listener.AbstractListenerManager;
+import org.apache.shardingsphere.elasticjob.kernel.api.listener.AbstractDistributeOnceElasticJobListener;
+import org.apache.shardingsphere.elasticjob.kernel.internal.listener.AbstractListenerManager;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 import org.apache.shardingsphere.elasticjob.reg.listener.DataChangedEvent;
 import org.apache.shardingsphere.elasticjob.reg.listener.DataChangedEvent.Type;
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/guarantee/GuaranteeNode.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/guarantee/GuaranteeNode.java
similarity index 93%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/guarantee/GuaranteeNode.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/guarantee/GuaranteeNode.java
index c5a082e429..984100c932 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/guarantee/GuaranteeNode.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/guarantee/GuaranteeNode.java
@@ -15,9 +15,9 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.guarantee;
+package org.apache.shardingsphere.elasticjob.kernel.internal.guarantee;
 
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodePath;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodePath;
 
 /**
  * Guarantee node.
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/guarantee/GuaranteeService.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/guarantee/GuaranteeService.java
similarity index 96%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/guarantee/GuaranteeService.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/guarantee/GuaranteeService.java
index 768f567f22..a1df049f67 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/guarantee/GuaranteeService.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/guarantee/GuaranteeService.java
@@ -15,13 +15,13 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.guarantee;
+package org.apache.shardingsphere.elasticjob.kernel.internal.guarantee;
 
 import lombok.RequiredArgsConstructor;
 import org.apache.shardingsphere.elasticjob.infra.listener.ShardingContexts;
-import org.apache.shardingsphere.elasticjob.engine.api.listener.AbstractDistributeOnceElasticJobListener;
-import org.apache.shardingsphere.elasticjob.engine.internal.config.ConfigurationService;
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodeStorage;
+import org.apache.shardingsphere.elasticjob.kernel.api.listener.AbstractDistributeOnceElasticJobListener;
+import org.apache.shardingsphere.elasticjob.kernel.internal.config.ConfigurationService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodeStorage;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 import org.apache.shardingsphere.elasticjob.reg.base.LeaderExecutionCallback;
 
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/instance/InstanceNode.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/instance/InstanceNode.java
similarity index 93%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/instance/InstanceNode.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/instance/InstanceNode.java
index fc21857837..be0aed258f 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/instance/InstanceNode.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/instance/InstanceNode.java
@@ -15,11 +15,11 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.instance;
+package org.apache.shardingsphere.elasticjob.kernel.internal.instance;
 
 import org.apache.shardingsphere.elasticjob.infra.yaml.YamlEngine;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodePath;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodePath;
 
 /**
  * Instance node.
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/instance/InstanceService.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/instance/InstanceService.java
similarity index 93%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/instance/InstanceService.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/instance/InstanceService.java
index 47251c5157..dc1159a9c4 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/instance/InstanceService.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/instance/InstanceService.java
@@ -15,13 +15,13 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.instance;
+package org.apache.shardingsphere.elasticjob.kernel.internal.instance;
 
 import org.apache.shardingsphere.elasticjob.infra.handler.sharding.JobInstance;
 import org.apache.shardingsphere.elasticjob.infra.yaml.YamlEngine;
-import org.apache.shardingsphere.elasticjob.engine.internal.server.ServerService;
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodeStorage;
-import org.apache.shardingsphere.elasticjob.engine.internal.trigger.TriggerNode;
+import org.apache.shardingsphere.elasticjob.kernel.internal.server.ServerService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodeStorage;
+import org.apache.shardingsphere.elasticjob.kernel.internal.trigger.TriggerNode;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 
 import java.util.LinkedList;
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/instance/ShutdownListenerManager.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/instance/ShutdownListenerManager.java
similarity index 91%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/instance/ShutdownListenerManager.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/instance/ShutdownListenerManager.java
index acd85f7c4f..dbf6c2f2b5 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/instance/ShutdownListenerManager.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/instance/ShutdownListenerManager.java
@@ -15,11 +15,11 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.instance;
+package org.apache.shardingsphere.elasticjob.kernel.internal.instance;
 
-import org.apache.shardingsphere.elasticjob.engine.internal.listener.AbstractListenerManager;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.SchedulerFacade;
+import org.apache.shardingsphere.elasticjob.kernel.internal.listener.AbstractListenerManager;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.SchedulerFacade;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 import org.apache.shardingsphere.elasticjob.reg.listener.DataChangedEvent;
 import org.apache.shardingsphere.elasticjob.reg.listener.DataChangedEvent.Type;
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/listener/AbstractListenerManager.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/listener/AbstractListenerManager.java
similarity index 92%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/listener/AbstractListenerManager.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/listener/AbstractListenerManager.java
index f719094edf..2483ca4645 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/listener/AbstractListenerManager.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/listener/AbstractListenerManager.java
@@ -15,9 +15,9 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.listener;
+package org.apache.shardingsphere.elasticjob.kernel.internal.listener;
 
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodeStorage;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodeStorage;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 import org.apache.shardingsphere.elasticjob.reg.listener.DataChangedEventListener;
 
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/listener/ListenerManager.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/listener/ListenerManager.java
similarity index 85%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/listener/ListenerManager.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/listener/ListenerManager.java
index 729fa38e14..23e09bebd5 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/listener/ListenerManager.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/listener/ListenerManager.java
@@ -15,18 +15,18 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.listener;
+package org.apache.shardingsphere.elasticjob.kernel.internal.listener;
 
 import org.apache.shardingsphere.elasticjob.infra.listener.ElasticJobListener;
-import org.apache.shardingsphere.elasticjob.engine.internal.config.RescheduleListenerManager;
-import org.apache.shardingsphere.elasticjob.engine.internal.election.ElectionListenerManager;
-import org.apache.shardingsphere.elasticjob.engine.internal.failover.FailoverListenerManager;
-import org.apache.shardingsphere.elasticjob.engine.internal.guarantee.GuaranteeListenerManager;
-import org.apache.shardingsphere.elasticjob.engine.internal.instance.ShutdownListenerManager;
-import org.apache.shardingsphere.elasticjob.engine.internal.sharding.MonitorExecutionListenerManager;
-import org.apache.shardingsphere.elasticjob.engine.internal.sharding.ShardingListenerManager;
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodeStorage;
-import org.apache.shardingsphere.elasticjob.engine.internal.trigger.TriggerListenerManager;
+import org.apache.shardingsphere.elasticjob.kernel.internal.config.RescheduleListenerManager;
+import org.apache.shardingsphere.elasticjob.kernel.internal.election.ElectionListenerManager;
+import org.apache.shardingsphere.elasticjob.kernel.internal.failover.FailoverListenerManager;
+import org.apache.shardingsphere.elasticjob.kernel.internal.guarantee.GuaranteeListenerManager;
+import org.apache.shardingsphere.elasticjob.kernel.internal.instance.ShutdownListenerManager;
+import org.apache.shardingsphere.elasticjob.kernel.internal.sharding.MonitorExecutionListenerManager;
+import org.apache.shardingsphere.elasticjob.kernel.internal.sharding.ShardingListenerManager;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodeStorage;
+import org.apache.shardingsphere.elasticjob.kernel.internal.trigger.TriggerListenerManager;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 
 import java.util.Collection;
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/listener/ListenerNotifierManager.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/listener/ListenerNotifierManager.java
similarity index 98%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/listener/ListenerNotifierManager.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/listener/ListenerNotifierManager.java
index 56a69af4f8..47afc5c41f 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/listener/ListenerNotifierManager.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/listener/ListenerNotifierManager.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.listener;
+package org.apache.shardingsphere.elasticjob.kernel.internal.listener;
 
 import org.apache.curator.utils.ThreadUtils;
 
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/listener/RegistryCenterConnectionStateListener.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/listener/RegistryCenterConnectionStateListener.java
similarity index 86%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/listener/RegistryCenterConnectionStateListener.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/listener/RegistryCenterConnectionStateListener.java
index 0077d815e1..b528e26971 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/listener/RegistryCenterConnectionStateListener.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/listener/RegistryCenterConnectionStateListener.java
@@ -15,14 +15,14 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.listener;
+package org.apache.shardingsphere.elasticjob.kernel.internal.listener;
 
-import org.apache.shardingsphere.elasticjob.engine.internal.instance.InstanceService;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobScheduleController;
-import org.apache.shardingsphere.elasticjob.engine.internal.server.ServerService;
-import org.apache.shardingsphere.elasticjob.engine.internal.sharding.ExecutionService;
-import org.apache.shardingsphere.elasticjob.engine.internal.sharding.ShardingService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.instance.InstanceService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobScheduleController;
+import org.apache.shardingsphere.elasticjob.kernel.internal.server.ServerService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.sharding.ExecutionService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.sharding.ShardingService;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 import org.apache.shardingsphere.elasticjob.reg.listener.ConnectionStateChangedEventListener;
 
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/reconcile/ReconcileService.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/reconcile/ReconcileService.java
similarity index 91%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/reconcile/ReconcileService.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/reconcile/ReconcileService.java
index 6015797693..f336c40bf8 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/reconcile/ReconcileService.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/reconcile/ReconcileService.java
@@ -15,13 +15,13 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.reconcile;
+package org.apache.shardingsphere.elasticjob.kernel.internal.reconcile;
 
 import com.google.common.util.concurrent.AbstractScheduledService;
 import lombok.extern.slf4j.Slf4j;
-import org.apache.shardingsphere.elasticjob.engine.internal.config.ConfigurationService;
-import org.apache.shardingsphere.elasticjob.engine.internal.sharding.ShardingService;
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodePath;
+import org.apache.shardingsphere.elasticjob.kernel.internal.config.ConfigurationService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.sharding.ShardingService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodePath;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 
 import java.util.concurrent.TimeUnit;
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/schedule/JobRegistry.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/schedule/JobRegistry.java
similarity index 97%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/schedule/JobRegistry.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/schedule/JobRegistry.java
index 9ac7482eda..9285a0aa27 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/schedule/JobRegistry.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/schedule/JobRegistry.java
@@ -15,12 +15,12 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.schedule;
+package org.apache.shardingsphere.elasticjob.kernel.internal.schedule;
 
 import lombok.AccessLevel;
 import lombok.NoArgsConstructor;
 import org.apache.shardingsphere.elasticjob.infra.handler.sharding.JobInstance;
-import org.apache.shardingsphere.elasticjob.engine.internal.listener.ListenerNotifierManager;
+import org.apache.shardingsphere.elasticjob.kernel.internal.listener.ListenerNotifierManager;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 
 import java.util.Map;
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/schedule/JobScheduleController.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/schedule/JobScheduleController.java
similarity index 99%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/schedule/JobScheduleController.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/schedule/JobScheduleController.java
index 9f63fde606..00ad6a137f 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/schedule/JobScheduleController.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/schedule/JobScheduleController.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.schedule;
+package org.apache.shardingsphere.elasticjob.kernel.internal.schedule;
 
 import com.google.common.base.Preconditions;
 import com.google.common.base.Strings;
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/schedule/JobScheduler.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/schedule/JobScheduler.java
similarity index 96%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/schedule/JobScheduler.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/schedule/JobScheduler.java
index bda4e794fd..62b0975b95 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/schedule/JobScheduler.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/schedule/JobScheduler.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.schedule;
+package org.apache.shardingsphere.elasticjob.kernel.internal.schedule;
 
 import com.google.common.base.Preconditions;
 import com.google.common.base.Strings;
@@ -29,11 +29,11 @@
 import org.apache.shardingsphere.elasticjob.infra.listener.ElasticJobListener;
 import org.apache.shardingsphere.elasticjob.infra.listener.ElasticJobListenerFactory;
 import org.apache.shardingsphere.elasticjob.infra.spi.ElasticJobServiceLoader;
-import org.apache.shardingsphere.elasticjob.engine.api.listener.AbstractDistributeOnceElasticJobListener;
-import org.apache.shardingsphere.elasticjob.engine.internal.config.ConfigurationService;
-import org.apache.shardingsphere.elasticjob.engine.internal.guarantee.GuaranteeService;
-import org.apache.shardingsphere.elasticjob.engine.internal.setup.JobClassNameProviderFactory;
-import org.apache.shardingsphere.elasticjob.engine.internal.setup.SetUpFacade;
+import org.apache.shardingsphere.elasticjob.kernel.api.listener.AbstractDistributeOnceElasticJobListener;
+import org.apache.shardingsphere.elasticjob.kernel.internal.config.ConfigurationService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.guarantee.GuaranteeService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.setup.JobClassNameProviderFactory;
+import org.apache.shardingsphere.elasticjob.kernel.internal.setup.SetUpFacade;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 import org.apache.shardingsphere.elasticjob.tracing.api.TracingConfiguration;
 import org.quartz.JobBuilder;
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/schedule/JobShutdownHookPlugin.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/schedule/JobShutdownHookPlugin.java
similarity index 93%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/schedule/JobShutdownHookPlugin.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/schedule/JobShutdownHookPlugin.java
index 13a6decf6e..dc81fcbb2c 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/schedule/JobShutdownHookPlugin.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/schedule/JobShutdownHookPlugin.java
@@ -15,13 +15,13 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.schedule;
+package org.apache.shardingsphere.elasticjob.kernel.internal.schedule;
 
 import lombok.Getter;
 import lombok.Setter;
 import lombok.extern.slf4j.Slf4j;
-import org.apache.shardingsphere.elasticjob.engine.internal.election.LeaderService;
-import org.apache.shardingsphere.elasticjob.engine.internal.instance.InstanceService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.election.LeaderService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.instance.InstanceService;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 import org.quartz.Scheduler;
 import org.quartz.SchedulerException;
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/schedule/JobTriggerListener.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/schedule/JobTriggerListener.java
similarity index 88%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/schedule/JobTriggerListener.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/schedule/JobTriggerListener.java
index f233baa568..f32cd8cbea 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/schedule/JobTriggerListener.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/schedule/JobTriggerListener.java
@@ -15,11 +15,11 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.schedule;
+package org.apache.shardingsphere.elasticjob.kernel.internal.schedule;
 
 import lombok.RequiredArgsConstructor;
-import org.apache.shardingsphere.elasticjob.engine.internal.sharding.ExecutionService;
-import org.apache.shardingsphere.elasticjob.engine.internal.sharding.ShardingService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.sharding.ExecutionService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.sharding.ShardingService;
 import org.quartz.Trigger;
 import org.quartz.listeners.TriggerListenerSupport;
 
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/schedule/LiteJob.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/schedule/LiteJob.java
similarity index 95%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/schedule/LiteJob.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/schedule/LiteJob.java
index cb3821adb1..4d828f1d48 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/schedule/LiteJob.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/schedule/LiteJob.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.schedule;
+package org.apache.shardingsphere.elasticjob.kernel.internal.schedule;
 
 import lombok.Setter;
 import org.apache.shardingsphere.elasticjob.executor.ElasticJobExecutor;
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/schedule/LiteJobFacade.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/schedule/LiteJobFacade.java
similarity index 94%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/schedule/LiteJobFacade.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/schedule/LiteJobFacade.java
index 7e790c346a..479f720da1 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/schedule/LiteJobFacade.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/schedule/LiteJobFacade.java
@@ -15,16 +15,16 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.schedule;
+package org.apache.shardingsphere.elasticjob.kernel.internal.schedule;
 
 import com.google.common.base.Strings;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.shardingsphere.elasticjob.api.JobConfiguration;
-import org.apache.shardingsphere.elasticjob.engine.internal.config.ConfigurationService;
-import org.apache.shardingsphere.elasticjob.engine.internal.failover.FailoverService;
-import org.apache.shardingsphere.elasticjob.engine.internal.sharding.ExecutionContextService;
-import org.apache.shardingsphere.elasticjob.engine.internal.sharding.ExecutionService;
-import org.apache.shardingsphere.elasticjob.engine.internal.sharding.ShardingService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.config.ConfigurationService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.failover.FailoverService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.sharding.ExecutionContextService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.sharding.ExecutionService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.sharding.ShardingService;
 import org.apache.shardingsphere.elasticjob.executor.JobFacade;
 import org.apache.shardingsphere.elasticjob.infra.context.TaskContext;
 import org.apache.shardingsphere.elasticjob.infra.exception.JobExecutionEnvironmentException;
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/schedule/SchedulerFacade.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/schedule/SchedulerFacade.java
similarity index 88%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/schedule/SchedulerFacade.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/schedule/SchedulerFacade.java
index 4868ede3be..7e1e45b33c 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/schedule/SchedulerFacade.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/schedule/SchedulerFacade.java
@@ -15,11 +15,11 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.schedule;
+package org.apache.shardingsphere.elasticjob.kernel.internal.schedule;
 
-import org.apache.shardingsphere.elasticjob.engine.internal.election.LeaderService;
-import org.apache.shardingsphere.elasticjob.engine.internal.sharding.ExecutionService;
-import org.apache.shardingsphere.elasticjob.engine.internal.sharding.ShardingService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.election.LeaderService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.sharding.ExecutionService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.sharding.ShardingService;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 
 /**
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/server/ServerNode.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/server/ServerNode.java
similarity index 92%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/server/ServerNode.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/server/ServerNode.java
index 912d3bc68d..6693d12c20 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/server/ServerNode.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/server/ServerNode.java
@@ -15,11 +15,11 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.server;
+package org.apache.shardingsphere.elasticjob.kernel.internal.server;
 
 import org.apache.shardingsphere.elasticjob.infra.handler.sharding.JobInstance;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodePath;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodePath;
 import org.apache.shardingsphere.elasticjob.infra.env.IpUtils;
 
 import java.util.Objects;
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/server/ServerService.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/server/ServerService.java
similarity index 95%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/server/ServerService.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/server/ServerService.java
index 864a0ea030..9aba51c8f6 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/server/ServerService.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/server/ServerService.java
@@ -15,14 +15,14 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.server;
+package org.apache.shardingsphere.elasticjob.kernel.internal.server;
 
 import com.google.common.base.Strings;
 import org.apache.commons.lang3.StringUtils;
 import org.apache.shardingsphere.elasticjob.infra.concurrent.BlockUtils;
-import org.apache.shardingsphere.elasticjob.engine.internal.instance.InstanceNode;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodeStorage;
+import org.apache.shardingsphere.elasticjob.kernel.internal.instance.InstanceNode;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodeStorage;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 
 import java.util.Collection;
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/server/ServerStatus.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/server/ServerStatus.java
similarity index 93%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/server/ServerStatus.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/server/ServerStatus.java
index 63124f6b2d..92472d1e8e 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/server/ServerStatus.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/server/ServerStatus.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.server;
+package org.apache.shardingsphere.elasticjob.kernel.internal.server;
 
 /**
  * Server status.
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/setup/DefaultJobClassNameProvider.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/setup/DefaultJobClassNameProvider.java
similarity index 96%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/setup/DefaultJobClassNameProvider.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/setup/DefaultJobClassNameProvider.java
index 8974b3138f..4700a24f3a 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/setup/DefaultJobClassNameProvider.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/setup/DefaultJobClassNameProvider.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.setup;
+package org.apache.shardingsphere.elasticjob.kernel.internal.setup;
 
 import org.apache.shardingsphere.elasticjob.api.ElasticJob;
 
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/setup/JobClassNameProvider.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/setup/JobClassNameProvider.java
similarity index 94%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/setup/JobClassNameProvider.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/setup/JobClassNameProvider.java
index cccca5c2e5..36730e4aa6 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/setup/JobClassNameProvider.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/setup/JobClassNameProvider.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.setup;
+package org.apache.shardingsphere.elasticjob.kernel.internal.setup;
 
 import org.apache.shardingsphere.elasticjob.api.ElasticJob;
 
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/setup/JobClassNameProviderFactory.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/setup/JobClassNameProviderFactory.java
similarity index 96%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/setup/JobClassNameProviderFactory.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/setup/JobClassNameProviderFactory.java
index 1bf8afe819..d2d7cd634d 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/setup/JobClassNameProviderFactory.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/setup/JobClassNameProviderFactory.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.setup;
+package org.apache.shardingsphere.elasticjob.kernel.internal.setup;
 
 import lombok.AccessLevel;
 import lombok.NoArgsConstructor;
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/setup/SetUpFacade.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/setup/SetUpFacade.java
similarity index 88%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/setup/SetUpFacade.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/setup/SetUpFacade.java
index 6e1356c19d..d0c1e7be12 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/setup/SetUpFacade.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/setup/SetUpFacade.java
@@ -15,14 +15,14 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.setup;
+package org.apache.shardingsphere.elasticjob.kernel.internal.setup;
 
 import org.apache.shardingsphere.elasticjob.infra.listener.ElasticJobListener;
-import org.apache.shardingsphere.elasticjob.engine.internal.election.LeaderService;
-import org.apache.shardingsphere.elasticjob.engine.internal.instance.InstanceService;
-import org.apache.shardingsphere.elasticjob.engine.internal.listener.ListenerManager;
-import org.apache.shardingsphere.elasticjob.engine.internal.reconcile.ReconcileService;
-import org.apache.shardingsphere.elasticjob.engine.internal.server.ServerService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.election.LeaderService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.instance.InstanceService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.listener.ListenerManager;
+import org.apache.shardingsphere.elasticjob.kernel.internal.reconcile.ReconcileService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.server.ServerService;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 
 import java.util.Collection;
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/sharding/ExecutionContextService.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/sharding/ExecutionContextService.java
similarity index 94%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/sharding/ExecutionContextService.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/sharding/ExecutionContextService.java
index d980f68886..e989135c74 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/sharding/ExecutionContextService.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/sharding/ExecutionContextService.java
@@ -15,15 +15,15 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.sharding;
+package org.apache.shardingsphere.elasticjob.kernel.internal.sharding;
 
 import org.apache.shardingsphere.elasticjob.api.JobConfiguration;
 import org.apache.shardingsphere.elasticjob.infra.context.ShardingItemParameters;
 import org.apache.shardingsphere.elasticjob.infra.handler.sharding.JobInstance;
 import org.apache.shardingsphere.elasticjob.infra.listener.ShardingContexts;
-import org.apache.shardingsphere.elasticjob.engine.internal.config.ConfigurationService;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodeStorage;
+import org.apache.shardingsphere.elasticjob.kernel.internal.config.ConfigurationService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodeStorage;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 
 import java.util.ArrayList;
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/sharding/ExecutionService.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/sharding/ExecutionService.java
similarity index 96%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/sharding/ExecutionService.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/sharding/ExecutionService.java
index da48bc6305..39d85cfa17 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/sharding/ExecutionService.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/sharding/ExecutionService.java
@@ -15,15 +15,15 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.sharding;
+package org.apache.shardingsphere.elasticjob.kernel.internal.sharding;
 
 import com.google.common.base.Strings;
 import org.apache.shardingsphere.elasticjob.api.JobConfiguration;
 import org.apache.shardingsphere.elasticjob.infra.handler.sharding.JobInstance;
 import org.apache.shardingsphere.elasticjob.infra.listener.ShardingContexts;
-import org.apache.shardingsphere.elasticjob.engine.internal.config.ConfigurationService;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodeStorage;
+import org.apache.shardingsphere.elasticjob.kernel.internal.config.ConfigurationService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodeStorage;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 
 import java.util.ArrayList;
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/sharding/MonitorExecutionListenerManager.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/sharding/MonitorExecutionListenerManager.java
similarity index 92%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/sharding/MonitorExecutionListenerManager.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/sharding/MonitorExecutionListenerManager.java
index 9d984e5f7b..f57b01d75f 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/sharding/MonitorExecutionListenerManager.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/sharding/MonitorExecutionListenerManager.java
@@ -15,12 +15,12 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.sharding;
+package org.apache.shardingsphere.elasticjob.kernel.internal.sharding;
 
 import org.apache.shardingsphere.elasticjob.infra.pojo.JobConfigurationPOJO;
 import org.apache.shardingsphere.elasticjob.infra.yaml.YamlEngine;
-import org.apache.shardingsphere.elasticjob.engine.internal.config.ConfigurationNode;
-import org.apache.shardingsphere.elasticjob.engine.internal.listener.AbstractListenerManager;
+import org.apache.shardingsphere.elasticjob.kernel.internal.config.ConfigurationNode;
+import org.apache.shardingsphere.elasticjob.kernel.internal.listener.AbstractListenerManager;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 import org.apache.shardingsphere.elasticjob.reg.listener.DataChangedEvent;
 import org.apache.shardingsphere.elasticjob.reg.listener.DataChangedEvent.Type;
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/sharding/ShardingListenerManager.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/sharding/ShardingListenerManager.java
similarity index 89%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/sharding/ShardingListenerManager.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/sharding/ShardingListenerManager.java
index a3e8ddc5e5..73249f596d 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/sharding/ShardingListenerManager.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/sharding/ShardingListenerManager.java
@@ -15,17 +15,17 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.sharding;
+package org.apache.shardingsphere.elasticjob.kernel.internal.sharding;
 
 import org.apache.shardingsphere.elasticjob.infra.pojo.JobConfigurationPOJO;
 import org.apache.shardingsphere.elasticjob.infra.yaml.YamlEngine;
-import org.apache.shardingsphere.elasticjob.engine.internal.config.ConfigurationNode;
-import org.apache.shardingsphere.elasticjob.engine.internal.config.ConfigurationService;
-import org.apache.shardingsphere.elasticjob.engine.internal.instance.InstanceNode;
-import org.apache.shardingsphere.elasticjob.engine.internal.listener.AbstractListenerManager;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
-import org.apache.shardingsphere.elasticjob.engine.internal.server.ServerNode;
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodePath;
+import org.apache.shardingsphere.elasticjob.kernel.internal.config.ConfigurationNode;
+import org.apache.shardingsphere.elasticjob.kernel.internal.config.ConfigurationService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.instance.InstanceNode;
+import org.apache.shardingsphere.elasticjob.kernel.internal.listener.AbstractListenerManager;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.internal.server.ServerNode;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodePath;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 import org.apache.shardingsphere.elasticjob.reg.listener.DataChangedEvent;
 import org.apache.shardingsphere.elasticjob.reg.listener.DataChangedEvent.Type;
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/sharding/ShardingNode.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/sharding/ShardingNode.java
similarity index 94%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/sharding/ShardingNode.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/sharding/ShardingNode.java
index ed4a96557f..c86912f782 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/sharding/ShardingNode.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/sharding/ShardingNode.java
@@ -15,10 +15,10 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.sharding;
+package org.apache.shardingsphere.elasticjob.kernel.internal.sharding;
 
-import org.apache.shardingsphere.elasticjob.engine.internal.election.LeaderNode;
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodePath;
+import org.apache.shardingsphere.elasticjob.kernel.internal.election.LeaderNode;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodePath;
 
 /**
  * Sharding node.
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/sharding/ShardingService.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/sharding/ShardingService.java
similarity index 94%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/sharding/ShardingService.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/sharding/ShardingService.java
index 92787552ab..4bde6078a5 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/sharding/ShardingService.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/sharding/ShardingService.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.sharding;
+package org.apache.shardingsphere.elasticjob.kernel.internal.sharding;
 
 import lombok.extern.slf4j.Slf4j;
 import org.apache.shardingsphere.elasticjob.api.JobConfiguration;
@@ -24,14 +24,14 @@
 import org.apache.shardingsphere.elasticjob.infra.handler.sharding.JobShardingStrategy;
 import org.apache.shardingsphere.elasticjob.infra.handler.sharding.JobShardingStrategyFactory;
 import org.apache.shardingsphere.elasticjob.infra.yaml.YamlEngine;
-import org.apache.shardingsphere.elasticjob.engine.internal.config.ConfigurationService;
-import org.apache.shardingsphere.elasticjob.engine.internal.election.LeaderService;
-import org.apache.shardingsphere.elasticjob.engine.internal.instance.InstanceNode;
-import org.apache.shardingsphere.elasticjob.engine.internal.instance.InstanceService;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
-import org.apache.shardingsphere.elasticjob.engine.internal.server.ServerService;
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodePath;
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodeStorage;
+import org.apache.shardingsphere.elasticjob.kernel.internal.config.ConfigurationService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.election.LeaderService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.instance.InstanceNode;
+import org.apache.shardingsphere.elasticjob.kernel.internal.instance.InstanceService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.internal.server.ServerService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodePath;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodeStorage;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 import org.apache.shardingsphere.elasticjob.reg.base.transaction.TransactionOperation;
 
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/snapshot/SnapshotService.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/snapshot/SnapshotService.java
similarity index 98%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/snapshot/SnapshotService.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/snapshot/SnapshotService.java
index 48f1f48dc5..fdfe329514 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/snapshot/SnapshotService.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/snapshot/SnapshotService.java
@@ -15,13 +15,13 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.snapshot;
+package org.apache.shardingsphere.elasticjob.kernel.internal.snapshot;
 
 import com.google.common.base.Preconditions;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.curator.framework.recipes.cache.ChildData;
 import org.apache.curator.framework.recipes.cache.CuratorCache;
-import org.apache.shardingsphere.elasticjob.engine.internal.util.SensitiveInfoUtils;
+import org.apache.shardingsphere.elasticjob.kernel.internal.util.SensitiveInfoUtils;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 import org.apache.shardingsphere.elasticjob.reg.zookeeper.ZookeeperRegistryCenter;
 
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/storage/JobNodePath.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/storage/JobNodePath.java
similarity index 98%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/storage/JobNodePath.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/storage/JobNodePath.java
index 10c643ea1b..ad6221af1c 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/storage/JobNodePath.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/storage/JobNodePath.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.storage;
+package org.apache.shardingsphere.elasticjob.kernel.internal.storage;
 
 import lombok.RequiredArgsConstructor;
 
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/storage/JobNodeStorage.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/storage/JobNodeStorage.java
similarity index 98%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/storage/JobNodeStorage.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/storage/JobNodeStorage.java
index 17f3429d8d..6ff43fe635 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/storage/JobNodeStorage.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/storage/JobNodeStorage.java
@@ -15,9 +15,9 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.storage;
+package org.apache.shardingsphere.elasticjob.kernel.internal.storage;
 
-import org.apache.shardingsphere.elasticjob.engine.internal.listener.ListenerNotifierManager;
+import org.apache.shardingsphere.elasticjob.kernel.internal.listener.ListenerNotifierManager;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 import org.apache.shardingsphere.elasticjob.reg.base.LeaderExecutionCallback;
 import org.apache.shardingsphere.elasticjob.reg.base.transaction.TransactionOperation;
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/trigger/TriggerListenerManager.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/trigger/TriggerListenerManager.java
similarity index 93%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/trigger/TriggerListenerManager.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/trigger/TriggerListenerManager.java
index 3acc24bc6e..f22fba49d4 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/trigger/TriggerListenerManager.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/trigger/TriggerListenerManager.java
@@ -15,10 +15,10 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.trigger;
+package org.apache.shardingsphere.elasticjob.kernel.internal.trigger;
 
-import org.apache.shardingsphere.elasticjob.engine.internal.listener.AbstractListenerManager;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.internal.listener.AbstractListenerManager;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 import org.apache.shardingsphere.elasticjob.reg.listener.DataChangedEvent;
 import org.apache.shardingsphere.elasticjob.reg.listener.DataChangedEvent.Type;
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/trigger/TriggerNode.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/trigger/TriggerNode.java
similarity index 92%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/trigger/TriggerNode.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/trigger/TriggerNode.java
index d962d05b40..1588ae1700 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/trigger/TriggerNode.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/trigger/TriggerNode.java
@@ -15,11 +15,11 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.trigger;
+package org.apache.shardingsphere.elasticjob.kernel.internal.trigger;
 
 import org.apache.shardingsphere.elasticjob.infra.handler.sharding.JobInstance;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodePath;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodePath;
 
 /**
  * Trigger node.
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/trigger/TriggerService.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/trigger/TriggerService.java
similarity index 91%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/trigger/TriggerService.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/trigger/TriggerService.java
index f05502b9cd..12421b8e9d 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/trigger/TriggerService.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/trigger/TriggerService.java
@@ -15,9 +15,9 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.trigger;
+package org.apache.shardingsphere.elasticjob.kernel.internal.trigger;
 
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodeStorage;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodeStorage;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 
 /**
diff --git a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/util/SensitiveInfoUtils.java b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/util/SensitiveInfoUtils.java
similarity index 97%
rename from kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/util/SensitiveInfoUtils.java
rename to kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/util/SensitiveInfoUtils.java
index cc41d7a012..ae23f403f3 100644
--- a/kernel/src/main/java/org/apache/shardingsphere/elasticjob/engine/internal/util/SensitiveInfoUtils.java
+++ b/kernel/src/main/java/org/apache/shardingsphere/elasticjob/kernel/internal/util/SensitiveInfoUtils.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.util;
+package org.apache.shardingsphere.elasticjob.kernel.internal.util;
 
 import lombok.AccessLevel;
 import lombok.NoArgsConstructor;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/api/bootstrap/impl/OneOffJobBootstrapTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/api/bootstrap/impl/OneOffJobBootstrapTest.java
similarity index 94%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/api/bootstrap/impl/OneOffJobBootstrapTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/api/bootstrap/impl/OneOffJobBootstrapTest.java
index c0f67881bb..f7110eef75 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/api/bootstrap/impl/OneOffJobBootstrapTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/api/bootstrap/impl/OneOffJobBootstrapTest.java
@@ -15,13 +15,13 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.api.bootstrap.impl;
+package org.apache.shardingsphere.elasticjob.kernel.api.bootstrap.impl;
 
 import lombok.SneakyThrows;
 import org.apache.shardingsphere.elasticjob.api.JobConfiguration;
-import org.apache.shardingsphere.elasticjob.engine.fixture.EmbedTestingServer;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobScheduleController;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobScheduler;
+import org.apache.shardingsphere.elasticjob.kernel.fixture.EmbedTestingServer;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobScheduleController;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobScheduler;
 import org.apache.shardingsphere.elasticjob.reg.zookeeper.ZookeeperConfiguration;
 import org.apache.shardingsphere.elasticjob.reg.zookeeper.ZookeeperRegistryCenter;
 import org.apache.shardingsphere.elasticjob.simple.job.SimpleJob;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/api/listener/DistributeOnceElasticJobListenerTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/api/listener/DistributeOnceElasticJobListenerTest.java
similarity index 94%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/api/listener/DistributeOnceElasticJobListenerTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/api/listener/DistributeOnceElasticJobListenerTest.java
index 80da4538ef..11e55d116e 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/api/listener/DistributeOnceElasticJobListenerTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/api/listener/DistributeOnceElasticJobListenerTest.java
@@ -15,16 +15,16 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.api.listener;
+package org.apache.shardingsphere.elasticjob.kernel.api.listener;
 
 import com.google.common.collect.Sets;
 import org.apache.shardingsphere.elasticjob.infra.env.TimeService;
 import org.apache.shardingsphere.elasticjob.infra.exception.JobSystemException;
 import org.apache.shardingsphere.elasticjob.infra.listener.ShardingContexts;
-import org.apache.shardingsphere.elasticjob.engine.api.listener.fixture.ElasticJobListenerCaller;
-import org.apache.shardingsphere.elasticjob.engine.api.listener.fixture.TestDistributeOnceElasticJobListener;
-import org.apache.shardingsphere.elasticjob.engine.internal.guarantee.GuaranteeService;
-import org.apache.shardingsphere.elasticjob.engine.util.ReflectionUtils;
+import org.apache.shardingsphere.elasticjob.kernel.api.listener.fixture.ElasticJobListenerCaller;
+import org.apache.shardingsphere.elasticjob.kernel.api.listener.fixture.TestDistributeOnceElasticJobListener;
+import org.apache.shardingsphere.elasticjob.kernel.internal.guarantee.GuaranteeService;
+import org.apache.shardingsphere.elasticjob.kernel.util.ReflectionUtils;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/api/listener/fixture/ElasticJobListenerCaller.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/api/listener/fixture/ElasticJobListenerCaller.java
similarity index 93%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/api/listener/fixture/ElasticJobListenerCaller.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/api/listener/fixture/ElasticJobListenerCaller.java
index d0adda6526..021e163b83 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/api/listener/fixture/ElasticJobListenerCaller.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/api/listener/fixture/ElasticJobListenerCaller.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.api.listener.fixture;
+package org.apache.shardingsphere.elasticjob.kernel.api.listener.fixture;
 
 public interface ElasticJobListenerCaller {
     
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/api/listener/fixture/TestDistributeOnceElasticJobListener.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/api/listener/fixture/TestDistributeOnceElasticJobListener.java
similarity index 93%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/api/listener/fixture/TestDistributeOnceElasticJobListener.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/api/listener/fixture/TestDistributeOnceElasticJobListener.java
index 971b0b2f39..abdd4f049c 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/api/listener/fixture/TestDistributeOnceElasticJobListener.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/api/listener/fixture/TestDistributeOnceElasticJobListener.java
@@ -15,10 +15,10 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.api.listener.fixture;
+package org.apache.shardingsphere.elasticjob.kernel.api.listener.fixture;
 
 import org.apache.shardingsphere.elasticjob.infra.listener.ShardingContexts;
-import org.apache.shardingsphere.elasticjob.engine.api.listener.AbstractDistributeOnceElasticJobListener;
+import org.apache.shardingsphere.elasticjob.kernel.api.listener.AbstractDistributeOnceElasticJobListener;
 
 public final class TestDistributeOnceElasticJobListener extends AbstractDistributeOnceElasticJobListener {
     
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/api/listener/fixture/TestElasticJobListener.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/api/listener/fixture/TestElasticJobListener.java
similarity index 96%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/api/listener/fixture/TestElasticJobListener.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/api/listener/fixture/TestElasticJobListener.java
index c2c66a9213..c21bb39f05 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/api/listener/fixture/TestElasticJobListener.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/api/listener/fixture/TestElasticJobListener.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.api.listener.fixture;
+package org.apache.shardingsphere.elasticjob.kernel.api.listener.fixture;
 
 import lombok.RequiredArgsConstructor;
 import org.apache.shardingsphere.elasticjob.infra.listener.ElasticJobListener;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/api/registry/JobInstanceRegistryTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/api/registry/JobInstanceRegistryTest.java
similarity index 98%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/api/registry/JobInstanceRegistryTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/api/registry/JobInstanceRegistryTest.java
index 41e1ab8cb7..0e5c8cb504 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/api/registry/JobInstanceRegistryTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/api/registry/JobInstanceRegistryTest.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.api.registry;
+package org.apache.shardingsphere.elasticjob.kernel.api.registry;
 
 import org.apache.shardingsphere.elasticjob.api.JobConfiguration;
 import org.apache.shardingsphere.elasticjob.infra.handler.sharding.JobInstance;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/fixture/EmbedTestingServer.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/fixture/EmbedTestingServer.java
similarity index 98%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/fixture/EmbedTestingServer.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/fixture/EmbedTestingServer.java
index 18f305d9a9..6c704fb401 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/fixture/EmbedTestingServer.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/fixture/EmbedTestingServer.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.fixture;
+package org.apache.shardingsphere.elasticjob.kernel.fixture;
 
 import lombok.AccessLevel;
 import lombok.NoArgsConstructor;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/fixture/LiteYamlConstants.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/fixture/LiteYamlConstants.java
similarity index 98%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/fixture/LiteYamlConstants.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/fixture/LiteYamlConstants.java
index 9cedba22bf..c7820a9f46 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/fixture/LiteYamlConstants.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/fixture/LiteYamlConstants.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.fixture;
+package org.apache.shardingsphere.elasticjob.kernel.fixture;
 
 import lombok.AccessLevel;
 import lombok.NoArgsConstructor;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/fixture/executor/ClassedFooJobExecutor.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/fixture/executor/ClassedFooJobExecutor.java
similarity index 92%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/fixture/executor/ClassedFooJobExecutor.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/fixture/executor/ClassedFooJobExecutor.java
index ed0ad4dcfb..7c033faafe 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/fixture/executor/ClassedFooJobExecutor.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/fixture/executor/ClassedFooJobExecutor.java
@@ -15,13 +15,13 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.fixture.executor;
+package org.apache.shardingsphere.elasticjob.kernel.fixture.executor;
 
 import org.apache.shardingsphere.elasticjob.api.JobConfiguration;
 import org.apache.shardingsphere.elasticjob.api.ShardingContext;
 import org.apache.shardingsphere.elasticjob.executor.JobFacade;
 import org.apache.shardingsphere.elasticjob.executor.item.impl.ClassedJobItemExecutor;
-import org.apache.shardingsphere.elasticjob.engine.fixture.job.FooJob;
+import org.apache.shardingsphere.elasticjob.kernel.fixture.job.FooJob;
 
 public final class ClassedFooJobExecutor implements ClassedJobItemExecutor<FooJob> {
     
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/fixture/job/AnnotationSimpleJob.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/fixture/job/AnnotationSimpleJob.java
similarity index 96%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/fixture/job/AnnotationSimpleJob.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/fixture/job/AnnotationSimpleJob.java
index 31f8549d9b..74aedd3b12 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/fixture/job/AnnotationSimpleJob.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/fixture/job/AnnotationSimpleJob.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.fixture.job;
+package org.apache.shardingsphere.elasticjob.kernel.fixture.job;
 
 import lombok.Getter;
 import org.apache.shardingsphere.elasticjob.annotation.ElasticJobConfiguration;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/fixture/job/AnnotationUnShardingJob.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/fixture/job/AnnotationUnShardingJob.java
similarity index 95%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/fixture/job/AnnotationUnShardingJob.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/fixture/job/AnnotationUnShardingJob.java
index e235c59449..a75257759b 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/fixture/job/AnnotationUnShardingJob.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/fixture/job/AnnotationUnShardingJob.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.fixture.job;
+package org.apache.shardingsphere.elasticjob.kernel.fixture.job;
 
 import lombok.Getter;
 import org.apache.shardingsphere.elasticjob.annotation.ElasticJobConfiguration;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/fixture/job/DetailedFooJob.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/fixture/job/DetailedFooJob.java
similarity index 95%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/fixture/job/DetailedFooJob.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/fixture/job/DetailedFooJob.java
index 48ccb4a117..7d3f5087b6 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/fixture/job/DetailedFooJob.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/fixture/job/DetailedFooJob.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.fixture.job;
+package org.apache.shardingsphere.elasticjob.kernel.fixture.job;
 
 import lombok.Getter;
 import org.apache.shardingsphere.elasticjob.api.ShardingContext;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/fixture/job/FooJob.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/fixture/job/FooJob.java
similarity index 94%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/fixture/job/FooJob.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/fixture/job/FooJob.java
index 09f90f1bc5..f0fe640568 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/fixture/job/FooJob.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/fixture/job/FooJob.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.fixture.job;
+package org.apache.shardingsphere.elasticjob.kernel.fixture.job;
 
 import org.apache.shardingsphere.elasticjob.api.ElasticJob;
 import org.apache.shardingsphere.elasticjob.api.ShardingContext;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/integrate/BaseIntegrateTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/integrate/BaseIntegrateTest.java
similarity index 87%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/integrate/BaseIntegrateTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/integrate/BaseIntegrateTest.java
index 88f98ed8bb..a91788f42a 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/integrate/BaseIntegrateTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/integrate/BaseIntegrateTest.java
@@ -15,19 +15,19 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.integrate;
+package org.apache.shardingsphere.elasticjob.kernel.integrate;
 
 import lombok.AccessLevel;
 import lombok.Getter;
 import org.apache.shardingsphere.elasticjob.api.ElasticJob;
 import org.apache.shardingsphere.elasticjob.api.JobConfiguration;
-import org.apache.shardingsphere.elasticjob.engine.api.bootstrap.JobBootstrap;
-import org.apache.shardingsphere.elasticjob.engine.api.bootstrap.impl.OneOffJobBootstrap;
-import org.apache.shardingsphere.elasticjob.engine.api.bootstrap.impl.ScheduleJobBootstrap;
-import org.apache.shardingsphere.elasticjob.engine.fixture.EmbedTestingServer;
-import org.apache.shardingsphere.elasticjob.engine.internal.election.LeaderService;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
-import org.apache.shardingsphere.elasticjob.engine.util.ReflectionUtils;
+import org.apache.shardingsphere.elasticjob.kernel.api.bootstrap.JobBootstrap;
+import org.apache.shardingsphere.elasticjob.kernel.api.bootstrap.impl.OneOffJobBootstrap;
+import org.apache.shardingsphere.elasticjob.kernel.api.bootstrap.impl.ScheduleJobBootstrap;
+import org.apache.shardingsphere.elasticjob.kernel.fixture.EmbedTestingServer;
+import org.apache.shardingsphere.elasticjob.kernel.internal.election.LeaderService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.util.ReflectionUtils;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 import org.apache.shardingsphere.elasticjob.reg.zookeeper.ZookeeperConfiguration;
 import org.apache.shardingsphere.elasticjob.reg.zookeeper.ZookeeperRegistryCenter;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/integrate/disable/DisabledJobIntegrateTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/integrate/disable/DisabledJobIntegrateTest.java
similarity index 88%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/integrate/disable/DisabledJobIntegrateTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/integrate/disable/DisabledJobIntegrateTest.java
index ddcc15c44a..9c52f28fc9 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/integrate/disable/DisabledJobIntegrateTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/integrate/disable/DisabledJobIntegrateTest.java
@@ -15,17 +15,17 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.integrate.disable;
+package org.apache.shardingsphere.elasticjob.kernel.integrate.disable;
 
 import org.apache.shardingsphere.elasticjob.api.JobConfiguration;
 import org.apache.shardingsphere.elasticjob.infra.env.IpUtils;
 import org.apache.shardingsphere.elasticjob.infra.pojo.JobConfigurationPOJO;
 import org.apache.shardingsphere.elasticjob.infra.yaml.YamlEngine;
-import org.apache.shardingsphere.elasticjob.engine.api.bootstrap.impl.ScheduleJobBootstrap;
-import org.apache.shardingsphere.elasticjob.engine.fixture.job.DetailedFooJob;
-import org.apache.shardingsphere.elasticjob.engine.integrate.BaseIntegrateTest;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
-import org.apache.shardingsphere.elasticjob.engine.internal.server.ServerStatus;
+import org.apache.shardingsphere.elasticjob.kernel.api.bootstrap.impl.ScheduleJobBootstrap;
+import org.apache.shardingsphere.elasticjob.kernel.fixture.job.DetailedFooJob;
+import org.apache.shardingsphere.elasticjob.kernel.integrate.BaseIntegrateTest;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.internal.server.ServerStatus;
 import org.awaitility.Awaitility;
 import org.hamcrest.core.IsNull;
 
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/integrate/disable/OneOffDisabledJobIntegrateTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/integrate/disable/OneOffDisabledJobIntegrateTest.java
similarity index 95%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/integrate/disable/OneOffDisabledJobIntegrateTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/integrate/disable/OneOffDisabledJobIntegrateTest.java
index 0bcbfe302c..4905aebc6e 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/integrate/disable/OneOffDisabledJobIntegrateTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/integrate/disable/OneOffDisabledJobIntegrateTest.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.integrate.disable;
+package org.apache.shardingsphere.elasticjob.kernel.integrate.disable;
 
 import org.apache.shardingsphere.elasticjob.api.JobConfiguration;
 import org.junit.jupiter.api.Test;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/integrate/disable/ScheduleDisabledJobIntegrateTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/integrate/disable/ScheduleDisabledJobIntegrateTest.java
similarity index 91%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/integrate/disable/ScheduleDisabledJobIntegrateTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/integrate/disable/ScheduleDisabledJobIntegrateTest.java
index 139f83bace..a2fc80c17c 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/integrate/disable/ScheduleDisabledJobIntegrateTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/integrate/disable/ScheduleDisabledJobIntegrateTest.java
@@ -15,12 +15,12 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.integrate.disable;
+package org.apache.shardingsphere.elasticjob.kernel.integrate.disable;
 
 import org.apache.shardingsphere.elasticjob.api.JobConfiguration;
-import org.apache.shardingsphere.elasticjob.engine.fixture.job.DetailedFooJob;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
-import org.apache.shardingsphere.elasticjob.engine.internal.server.ServerStatus;
+import org.apache.shardingsphere.elasticjob.kernel.fixture.job.DetailedFooJob;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.internal.server.ServerStatus;
 import org.awaitility.Awaitility;
 import org.junit.jupiter.api.Test;
 
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/integrate/enable/EnabledJobIntegrateTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/integrate/enable/EnabledJobIntegrateTest.java
similarity index 90%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/integrate/enable/EnabledJobIntegrateTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/integrate/enable/EnabledJobIntegrateTest.java
index 347f7667a3..d163bab5b1 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/integrate/enable/EnabledJobIntegrateTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/integrate/enable/EnabledJobIntegrateTest.java
@@ -15,17 +15,17 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.integrate.enable;
+package org.apache.shardingsphere.elasticjob.kernel.integrate.enable;
 
 import org.apache.shardingsphere.elasticjob.api.ElasticJob;
 import org.apache.shardingsphere.elasticjob.api.JobConfiguration;
 import org.apache.shardingsphere.elasticjob.infra.env.IpUtils;
 import org.apache.shardingsphere.elasticjob.infra.pojo.JobConfigurationPOJO;
 import org.apache.shardingsphere.elasticjob.infra.yaml.YamlEngine;
-import org.apache.shardingsphere.elasticjob.engine.api.bootstrap.impl.ScheduleJobBootstrap;
-import org.apache.shardingsphere.elasticjob.engine.integrate.BaseIntegrateTest;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
-import org.apache.shardingsphere.elasticjob.engine.internal.server.ServerStatus;
+import org.apache.shardingsphere.elasticjob.kernel.api.bootstrap.impl.ScheduleJobBootstrap;
+import org.apache.shardingsphere.elasticjob.kernel.integrate.BaseIntegrateTest;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.internal.server.ServerStatus;
 import org.junit.jupiter.api.BeforeEach;
 
 import static org.hamcrest.CoreMatchers.is;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/integrate/enable/OneOffEnabledJobIntegrateTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/integrate/enable/OneOffEnabledJobIntegrateTest.java
similarity index 93%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/integrate/enable/OneOffEnabledJobIntegrateTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/integrate/enable/OneOffEnabledJobIntegrateTest.java
index 97ca2809b1..65b4301de7 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/integrate/enable/OneOffEnabledJobIntegrateTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/integrate/enable/OneOffEnabledJobIntegrateTest.java
@@ -15,10 +15,10 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.integrate.enable;
+package org.apache.shardingsphere.elasticjob.kernel.integrate.enable;
 
 import org.apache.shardingsphere.elasticjob.api.JobConfiguration;
-import org.apache.shardingsphere.elasticjob.engine.fixture.job.DetailedFooJob;
+import org.apache.shardingsphere.elasticjob.kernel.fixture.job.DetailedFooJob;
 import org.awaitility.Awaitility;
 import org.junit.jupiter.api.Test;
 
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/integrate/enable/ScheduleEnabledJobIntegrateTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/integrate/enable/ScheduleEnabledJobIntegrateTest.java
similarity index 93%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/integrate/enable/ScheduleEnabledJobIntegrateTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/integrate/enable/ScheduleEnabledJobIntegrateTest.java
index 8c2def4db7..c4a6343723 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/integrate/enable/ScheduleEnabledJobIntegrateTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/integrate/enable/ScheduleEnabledJobIntegrateTest.java
@@ -15,10 +15,10 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.integrate.enable;
+package org.apache.shardingsphere.elasticjob.kernel.integrate.enable;
 
 import org.apache.shardingsphere.elasticjob.api.JobConfiguration;
-import org.apache.shardingsphere.elasticjob.engine.fixture.job.DetailedFooJob;
+import org.apache.shardingsphere.elasticjob.kernel.fixture.job.DetailedFooJob;
 import org.awaitility.Awaitility;
 import org.junit.jupiter.api.Test;
 
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/integrate/listener/TestDistributeOnceElasticJobListener.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/integrate/listener/TestDistributeOnceElasticJobListener.java
similarity index 91%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/integrate/listener/TestDistributeOnceElasticJobListener.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/integrate/listener/TestDistributeOnceElasticJobListener.java
index 834056f851..b0c654c77e 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/integrate/listener/TestDistributeOnceElasticJobListener.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/integrate/listener/TestDistributeOnceElasticJobListener.java
@@ -15,10 +15,10 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.integrate.listener;
+package org.apache.shardingsphere.elasticjob.kernel.integrate.listener;
 
 import org.apache.shardingsphere.elasticjob.infra.listener.ShardingContexts;
-import org.apache.shardingsphere.elasticjob.engine.api.listener.AbstractDistributeOnceElasticJobListener;
+import org.apache.shardingsphere.elasticjob.kernel.api.listener.AbstractDistributeOnceElasticJobListener;
 
 public class TestDistributeOnceElasticJobListener extends AbstractDistributeOnceElasticJobListener {
     
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/integrate/listener/TestElasticJobListener.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/integrate/listener/TestElasticJobListener.java
similarity index 95%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/integrate/listener/TestElasticJobListener.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/integrate/listener/TestElasticJobListener.java
index b45e1fbeb1..81fe295709 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/integrate/listener/TestElasticJobListener.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/integrate/listener/TestElasticJobListener.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.integrate.listener;
+package org.apache.shardingsphere.elasticjob.kernel.integrate.listener;
 
 import org.apache.shardingsphere.elasticjob.infra.listener.ElasticJobListener;
 import org.apache.shardingsphere.elasticjob.infra.listener.ShardingContexts;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/annotation/JobAnnotationBuilderTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/annotation/JobAnnotationBuilderTest.java
similarity index 95%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/annotation/JobAnnotationBuilderTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/annotation/JobAnnotationBuilderTest.java
index d9ebaaf0d6..0582b14b61 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/annotation/JobAnnotationBuilderTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/annotation/JobAnnotationBuilderTest.java
@@ -15,10 +15,10 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.annotation;
+package org.apache.shardingsphere.elasticjob.kernel.internal.annotation;
 
 import org.apache.shardingsphere.elasticjob.api.JobConfiguration;
-import org.apache.shardingsphere.elasticjob.engine.fixture.job.AnnotationSimpleJob;
+import org.apache.shardingsphere.elasticjob.kernel.fixture.job.AnnotationSimpleJob;
 import org.junit.jupiter.api.Test;
 
 import static org.hamcrest.CoreMatchers.is;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/annotation/integrate/BaseAnnotationTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/annotation/integrate/BaseAnnotationTest.java
similarity index 86%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/annotation/integrate/BaseAnnotationTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/annotation/integrate/BaseAnnotationTest.java
index 9eae55a220..1e92e5a255 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/annotation/integrate/BaseAnnotationTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/annotation/integrate/BaseAnnotationTest.java
@@ -15,20 +15,20 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.annotation.integrate;
+package org.apache.shardingsphere.elasticjob.kernel.internal.annotation.integrate;
 
 import lombok.AccessLevel;
 import lombok.Getter;
 import org.apache.shardingsphere.elasticjob.api.ElasticJob;
 import org.apache.shardingsphere.elasticjob.api.JobConfiguration;
-import org.apache.shardingsphere.elasticjob.engine.api.bootstrap.JobBootstrap;
-import org.apache.shardingsphere.elasticjob.engine.api.bootstrap.impl.OneOffJobBootstrap;
-import org.apache.shardingsphere.elasticjob.engine.api.bootstrap.impl.ScheduleJobBootstrap;
-import org.apache.shardingsphere.elasticjob.engine.fixture.EmbedTestingServer;
-import org.apache.shardingsphere.elasticjob.engine.internal.annotation.JobAnnotationBuilder;
-import org.apache.shardingsphere.elasticjob.engine.internal.election.LeaderService;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
-import org.apache.shardingsphere.elasticjob.engine.util.ReflectionUtils;
+import org.apache.shardingsphere.elasticjob.kernel.api.bootstrap.JobBootstrap;
+import org.apache.shardingsphere.elasticjob.kernel.api.bootstrap.impl.OneOffJobBootstrap;
+import org.apache.shardingsphere.elasticjob.kernel.api.bootstrap.impl.ScheduleJobBootstrap;
+import org.apache.shardingsphere.elasticjob.kernel.fixture.EmbedTestingServer;
+import org.apache.shardingsphere.elasticjob.kernel.internal.annotation.JobAnnotationBuilder;
+import org.apache.shardingsphere.elasticjob.kernel.internal.election.LeaderService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.util.ReflectionUtils;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 import org.apache.shardingsphere.elasticjob.reg.zookeeper.ZookeeperConfiguration;
 import org.apache.shardingsphere.elasticjob.reg.zookeeper.ZookeeperRegistryCenter;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/annotation/integrate/OneOffEnabledJobTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/annotation/integrate/OneOffEnabledJobTest.java
similarity index 92%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/annotation/integrate/OneOffEnabledJobTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/annotation/integrate/OneOffEnabledJobTest.java
index 80fcf37d95..f0b5d7a214 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/annotation/integrate/OneOffEnabledJobTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/annotation/integrate/OneOffEnabledJobTest.java
@@ -15,15 +15,15 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.annotation.integrate;
+package org.apache.shardingsphere.elasticjob.kernel.internal.annotation.integrate;
 
 import org.apache.shardingsphere.elasticjob.api.JobConfiguration;
 import org.apache.shardingsphere.elasticjob.infra.env.IpUtils;
 import org.apache.shardingsphere.elasticjob.infra.pojo.JobConfigurationPOJO;
 import org.apache.shardingsphere.elasticjob.infra.yaml.YamlEngine;
-import org.apache.shardingsphere.elasticjob.engine.fixture.job.AnnotationUnShardingJob;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
-import org.apache.shardingsphere.elasticjob.engine.internal.server.ServerStatus;
+import org.apache.shardingsphere.elasticjob.kernel.fixture.job.AnnotationUnShardingJob;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.internal.server.ServerStatus;
 import org.awaitility.Awaitility;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/annotation/integrate/ScheduleEnabledJobTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/annotation/integrate/ScheduleEnabledJobTest.java
similarity index 92%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/annotation/integrate/ScheduleEnabledJobTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/annotation/integrate/ScheduleEnabledJobTest.java
index 919d855e1f..eb1c3cff11 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/annotation/integrate/ScheduleEnabledJobTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/annotation/integrate/ScheduleEnabledJobTest.java
@@ -15,15 +15,15 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.annotation.integrate;
+package org.apache.shardingsphere.elasticjob.kernel.internal.annotation.integrate;
 
 import org.apache.shardingsphere.elasticjob.api.JobConfiguration;
 import org.apache.shardingsphere.elasticjob.infra.env.IpUtils;
 import org.apache.shardingsphere.elasticjob.infra.pojo.JobConfigurationPOJO;
 import org.apache.shardingsphere.elasticjob.infra.yaml.YamlEngine;
-import org.apache.shardingsphere.elasticjob.engine.fixture.job.AnnotationSimpleJob;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
-import org.apache.shardingsphere.elasticjob.engine.internal.server.ServerStatus;
+import org.apache.shardingsphere.elasticjob.kernel.fixture.job.AnnotationSimpleJob;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.internal.server.ServerStatus;
 import org.awaitility.Awaitility;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/config/ConfigurationNodeTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/config/ConfigurationNodeTest.java
similarity index 94%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/config/ConfigurationNodeTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/config/ConfigurationNodeTest.java
index e86dd45811..1c56d09407 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/config/ConfigurationNodeTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/config/ConfigurationNodeTest.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.config;
+package org.apache.shardingsphere.elasticjob.kernel.internal.config;
 
 import org.junit.jupiter.api.Test;
 
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/config/ConfigurationServiceTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/config/ConfigurationServiceTest.java
similarity index 95%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/config/ConfigurationServiceTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/config/ConfigurationServiceTest.java
index 0963268060..d539de0c2d 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/config/ConfigurationServiceTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/config/ConfigurationServiceTest.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.config;
+package org.apache.shardingsphere.elasticjob.kernel.internal.config;
 
 import org.apache.shardingsphere.elasticjob.api.ElasticJob;
 import org.apache.shardingsphere.elasticjob.api.JobConfiguration;
@@ -23,9 +23,9 @@
 import org.apache.shardingsphere.elasticjob.infra.exception.JobExecutionEnvironmentException;
 import org.apache.shardingsphere.elasticjob.infra.pojo.JobConfigurationPOJO;
 import org.apache.shardingsphere.elasticjob.infra.yaml.YamlEngine;
-import org.apache.shardingsphere.elasticjob.engine.fixture.LiteYamlConstants;
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodeStorage;
-import org.apache.shardingsphere.elasticjob.engine.util.ReflectionUtils;
+import org.apache.shardingsphere.elasticjob.kernel.fixture.LiteYamlConstants;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodeStorage;
+import org.apache.shardingsphere.elasticjob.kernel.util.ReflectionUtils;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
@@ -84,7 +84,7 @@ void assertLoadFromCacheButNull() {
     void assertSetUpJobConfigurationJobConfigurationForJobConflict() {
         assertThrows(JobConfigurationException.class, () -> {
             when(jobNodeStorage.isJobRootNodeExisted()).thenReturn(true);
-            when(jobNodeStorage.getJobRootNodeData()).thenReturn("org.apache.shardingsphere.elasticjob.engine.api.script.api.ScriptJob");
+            when(jobNodeStorage.getJobRootNodeData()).thenReturn("org.apache.shardingsphere.elasticjob.kernel.api.script.api.ScriptJob");
             try {
                 configService.setUpJobConfiguration(null, JobConfiguration.newBuilder("test_job", 3).cron("0/1 * * * * ?").build());
             } finally {
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/config/RescheduleListenerManagerTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/config/RescheduleListenerManagerTest.java
similarity index 91%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/config/RescheduleListenerManagerTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/config/RescheduleListenerManagerTest.java
index a46473049d..8b47c957a4 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/config/RescheduleListenerManagerTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/config/RescheduleListenerManagerTest.java
@@ -15,14 +15,14 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.config;
+package org.apache.shardingsphere.elasticjob.kernel.internal.config;
 
 import org.apache.shardingsphere.elasticjob.infra.handler.sharding.JobInstance;
-import org.apache.shardingsphere.elasticjob.engine.fixture.LiteYamlConstants;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobScheduleController;
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodeStorage;
-import org.apache.shardingsphere.elasticjob.engine.util.ReflectionUtils;
+import org.apache.shardingsphere.elasticjob.kernel.fixture.LiteYamlConstants;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobScheduleController;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodeStorage;
+import org.apache.shardingsphere.elasticjob.kernel.util.ReflectionUtils;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 import org.apache.shardingsphere.elasticjob.reg.listener.DataChangedEvent;
 import org.junit.jupiter.api.BeforeEach;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/election/ElectionListenerManagerTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/election/ElectionListenerManagerTest.java
similarity index 93%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/election/ElectionListenerManagerTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/election/ElectionListenerManagerTest.java
index f4b7b86aed..3c9c8fdd8e 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/election/ElectionListenerManagerTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/election/ElectionListenerManagerTest.java
@@ -15,15 +15,15 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.election;
+package org.apache.shardingsphere.elasticjob.kernel.internal.election;
 
 import org.apache.shardingsphere.elasticjob.infra.handler.sharding.JobInstance;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobScheduleController;
-import org.apache.shardingsphere.elasticjob.engine.internal.server.ServerService;
-import org.apache.shardingsphere.elasticjob.engine.internal.server.ServerStatus;
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodeStorage;
-import org.apache.shardingsphere.elasticjob.engine.util.ReflectionUtils;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobScheduleController;
+import org.apache.shardingsphere.elasticjob.kernel.internal.server.ServerService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.server.ServerStatus;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodeStorage;
+import org.apache.shardingsphere.elasticjob.kernel.util.ReflectionUtils;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 import org.apache.shardingsphere.elasticjob.reg.listener.DataChangedEvent;
 import org.apache.shardingsphere.elasticjob.reg.listener.DataChangedEvent.Type;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/election/LeaderNodeTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/election/LeaderNodeTest.java
similarity index 95%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/election/LeaderNodeTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/election/LeaderNodeTest.java
index adc4857455..a3e9fa33e7 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/election/LeaderNodeTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/election/LeaderNodeTest.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.election;
+package org.apache.shardingsphere.elasticjob.kernel.internal.election;
 
 import org.junit.jupiter.api.Test;
 
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/election/LeaderServiceTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/election/LeaderServiceTest.java
similarity index 93%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/election/LeaderServiceTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/election/LeaderServiceTest.java
index f5a95a8eef..326a7bf21d 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/election/LeaderServiceTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/election/LeaderServiceTest.java
@@ -15,15 +15,15 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.election;
+package org.apache.shardingsphere.elasticjob.kernel.internal.election;
 
 import org.apache.shardingsphere.elasticjob.infra.handler.sharding.JobInstance;
-import org.apache.shardingsphere.elasticjob.engine.internal.election.LeaderService.LeaderElectionExecutionCallback;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobScheduleController;
-import org.apache.shardingsphere.elasticjob.engine.internal.server.ServerService;
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodeStorage;
-import org.apache.shardingsphere.elasticjob.engine.util.ReflectionUtils;
+import org.apache.shardingsphere.elasticjob.kernel.internal.election.LeaderService.LeaderElectionExecutionCallback;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobScheduleController;
+import org.apache.shardingsphere.elasticjob.kernel.internal.server.ServerService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodeStorage;
+import org.apache.shardingsphere.elasticjob.kernel.util.ReflectionUtils;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/failover/FailoverListenerManagerTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/failover/FailoverListenerManagerTest.java
similarity index 94%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/failover/FailoverListenerManagerTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/failover/FailoverListenerManagerTest.java
index 2962561f0a..2fb30acdb6 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/failover/FailoverListenerManagerTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/failover/FailoverListenerManagerTest.java
@@ -15,20 +15,20 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.failover;
+package org.apache.shardingsphere.elasticjob.kernel.internal.failover;
 
 import org.apache.shardingsphere.elasticjob.api.JobConfiguration;
 import org.apache.shardingsphere.elasticjob.infra.handler.sharding.JobInstance;
-import org.apache.shardingsphere.elasticjob.engine.fixture.LiteYamlConstants;
-import org.apache.shardingsphere.elasticjob.engine.internal.config.ConfigurationService;
-import org.apache.shardingsphere.elasticjob.engine.internal.instance.InstanceNode;
-import org.apache.shardingsphere.elasticjob.engine.internal.instance.InstanceService;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobScheduleController;
-import org.apache.shardingsphere.elasticjob.engine.internal.sharding.ExecutionService;
-import org.apache.shardingsphere.elasticjob.engine.internal.sharding.ShardingService;
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodeStorage;
-import org.apache.shardingsphere.elasticjob.engine.util.ReflectionUtils;
+import org.apache.shardingsphere.elasticjob.kernel.fixture.LiteYamlConstants;
+import org.apache.shardingsphere.elasticjob.kernel.internal.config.ConfigurationService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.instance.InstanceNode;
+import org.apache.shardingsphere.elasticjob.kernel.internal.instance.InstanceService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobScheduleController;
+import org.apache.shardingsphere.elasticjob.kernel.internal.sharding.ExecutionService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.sharding.ShardingService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodeStorage;
+import org.apache.shardingsphere.elasticjob.kernel.util.ReflectionUtils;
 import org.apache.shardingsphere.elasticjob.reg.listener.DataChangedEvent;
 import org.apache.shardingsphere.elasticjob.reg.listener.DataChangedEvent.Type;
 import org.apache.shardingsphere.elasticjob.reg.listener.DataChangedEventListener;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/failover/FailoverNodeTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/failover/FailoverNodeTest.java
similarity index 96%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/failover/FailoverNodeTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/failover/FailoverNodeTest.java
index ad7fe3abdf..d5ebecf6e2 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/failover/FailoverNodeTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/failover/FailoverNodeTest.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.failover;
+package org.apache.shardingsphere.elasticjob.kernel.internal.failover;
 
 import org.junit.jupiter.api.Test;
 
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/failover/FailoverServiceTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/failover/FailoverServiceTest.java
similarity index 97%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/failover/FailoverServiceTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/failover/FailoverServiceTest.java
index ff6531c1ca..e124f2d2fb 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/failover/FailoverServiceTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/failover/FailoverServiceTest.java
@@ -15,16 +15,16 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.failover;
+package org.apache.shardingsphere.elasticjob.kernel.internal.failover;
 
 import org.apache.shardingsphere.elasticjob.api.JobConfiguration;
 import org.apache.shardingsphere.elasticjob.infra.handler.sharding.JobInstance;
-import org.apache.shardingsphere.elasticjob.engine.internal.config.ConfigurationService;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobScheduleController;
-import org.apache.shardingsphere.elasticjob.engine.internal.sharding.ShardingService;
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodeStorage;
-import org.apache.shardingsphere.elasticjob.engine.util.ReflectionUtils;
+import org.apache.shardingsphere.elasticjob.kernel.internal.config.ConfigurationService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobScheduleController;
+import org.apache.shardingsphere.elasticjob.kernel.internal.sharding.ShardingService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodeStorage;
+import org.apache.shardingsphere.elasticjob.kernel.util.ReflectionUtils;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/guarantee/GuaranteeListenerManagerTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/guarantee/GuaranteeListenerManagerTest.java
similarity index 94%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/guarantee/GuaranteeListenerManagerTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/guarantee/GuaranteeListenerManagerTest.java
index f0c9ecc69b..b51f851ea4 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/guarantee/GuaranteeListenerManagerTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/guarantee/GuaranteeListenerManagerTest.java
@@ -15,12 +15,12 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.guarantee;
+package org.apache.shardingsphere.elasticjob.kernel.internal.guarantee;
 
 import org.apache.shardingsphere.elasticjob.infra.listener.ElasticJobListener;
-import org.apache.shardingsphere.elasticjob.engine.api.listener.AbstractDistributeOnceElasticJobListener;
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodeStorage;
-import org.apache.shardingsphere.elasticjob.engine.util.ReflectionUtils;
+import org.apache.shardingsphere.elasticjob.kernel.api.listener.AbstractDistributeOnceElasticJobListener;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodeStorage;
+import org.apache.shardingsphere.elasticjob.kernel.util.ReflectionUtils;
 import org.apache.shardingsphere.elasticjob.reg.listener.DataChangedEvent;
 import org.apache.shardingsphere.elasticjob.reg.listener.DataChangedEvent.Type;
 import org.apache.shardingsphere.elasticjob.reg.listener.DataChangedEventListener;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/guarantee/GuaranteeNodeTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/guarantee/GuaranteeNodeTest.java
similarity index 96%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/guarantee/GuaranteeNodeTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/guarantee/GuaranteeNodeTest.java
index 6478383955..955dbcd4aa 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/guarantee/GuaranteeNodeTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/guarantee/GuaranteeNodeTest.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.guarantee;
+package org.apache.shardingsphere.elasticjob.kernel.internal.guarantee;
 
 import org.junit.jupiter.api.Test;
 
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/guarantee/GuaranteeServiceTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/guarantee/GuaranteeServiceTest.java
similarity index 96%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/guarantee/GuaranteeServiceTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/guarantee/GuaranteeServiceTest.java
index e9c9925ac1..b57d475955 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/guarantee/GuaranteeServiceTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/guarantee/GuaranteeServiceTest.java
@@ -15,14 +15,14 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.guarantee;
+package org.apache.shardingsphere.elasticjob.kernel.internal.guarantee;
 
 import org.apache.shardingsphere.elasticjob.api.JobConfiguration;
 import org.apache.shardingsphere.elasticjob.infra.listener.ShardingContexts;
-import org.apache.shardingsphere.elasticjob.engine.api.listener.AbstractDistributeOnceElasticJobListener;
-import org.apache.shardingsphere.elasticjob.engine.internal.config.ConfigurationService;
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodeStorage;
-import org.apache.shardingsphere.elasticjob.engine.util.ReflectionUtils;
+import org.apache.shardingsphere.elasticjob.kernel.api.listener.AbstractDistributeOnceElasticJobListener;
+import org.apache.shardingsphere.elasticjob.kernel.internal.config.ConfigurationService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodeStorage;
+import org.apache.shardingsphere.elasticjob.kernel.util.ReflectionUtils;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/instance/InstanceNodeTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/instance/InstanceNodeTest.java
similarity index 95%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/instance/InstanceNodeTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/instance/InstanceNodeTest.java
index 814dd850fe..e57360719f 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/instance/InstanceNodeTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/instance/InstanceNodeTest.java
@@ -15,10 +15,10 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.instance;
+package org.apache.shardingsphere.elasticjob.kernel.internal.instance;
 
 import org.apache.shardingsphere.elasticjob.infra.handler.sharding.JobInstance;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Test;
 
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/instance/InstanceServiceTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/instance/InstanceServiceTest.java
similarity index 93%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/instance/InstanceServiceTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/instance/InstanceServiceTest.java
index 9d6934fcc3..92a4c52288 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/instance/InstanceServiceTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/instance/InstanceServiceTest.java
@@ -15,13 +15,13 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.instance;
+package org.apache.shardingsphere.elasticjob.kernel.internal.instance;
 
 import org.apache.shardingsphere.elasticjob.infra.handler.sharding.JobInstance;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
-import org.apache.shardingsphere.elasticjob.engine.internal.server.ServerService;
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodeStorage;
-import org.apache.shardingsphere.elasticjob.engine.util.ReflectionUtils;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.internal.server.ServerService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodeStorage;
+import org.apache.shardingsphere.elasticjob.kernel.util.ReflectionUtils;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/instance/ShutdownListenerManagerTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/instance/ShutdownListenerManagerTest.java
similarity index 93%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/instance/ShutdownListenerManagerTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/instance/ShutdownListenerManagerTest.java
index f8b372fc49..648c4905b6 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/instance/ShutdownListenerManagerTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/instance/ShutdownListenerManagerTest.java
@@ -15,14 +15,14 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.instance;
+package org.apache.shardingsphere.elasticjob.kernel.internal.instance;
 
 import org.apache.shardingsphere.elasticjob.infra.handler.sharding.JobInstance;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobScheduleController;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.SchedulerFacade;
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodeStorage;
-import org.apache.shardingsphere.elasticjob.engine.util.ReflectionUtils;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobScheduleController;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.SchedulerFacade;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodeStorage;
+import org.apache.shardingsphere.elasticjob.kernel.util.ReflectionUtils;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 import org.apache.shardingsphere.elasticjob.reg.listener.DataChangedEvent;
 import org.apache.shardingsphere.elasticjob.reg.listener.DataChangedEvent.Type;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/listener/ListenerManagerTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/listener/ListenerManagerTest.java
similarity index 85%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/listener/ListenerManagerTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/listener/ListenerManagerTest.java
index a4faecfd72..3b24e005f8 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/listener/ListenerManagerTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/listener/ListenerManagerTest.java
@@ -15,18 +15,18 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.listener;
+package org.apache.shardingsphere.elasticjob.kernel.internal.listener;
 
-import org.apache.shardingsphere.elasticjob.engine.internal.config.RescheduleListenerManager;
-import org.apache.shardingsphere.elasticjob.engine.internal.election.ElectionListenerManager;
-import org.apache.shardingsphere.elasticjob.engine.internal.failover.FailoverListenerManager;
-import org.apache.shardingsphere.elasticjob.engine.internal.guarantee.GuaranteeListenerManager;
-import org.apache.shardingsphere.elasticjob.engine.internal.instance.ShutdownListenerManager;
-import org.apache.shardingsphere.elasticjob.engine.internal.sharding.MonitorExecutionListenerManager;
-import org.apache.shardingsphere.elasticjob.engine.internal.sharding.ShardingListenerManager;
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodeStorage;
-import org.apache.shardingsphere.elasticjob.engine.internal.trigger.TriggerListenerManager;
-import org.apache.shardingsphere.elasticjob.engine.util.ReflectionUtils;
+import org.apache.shardingsphere.elasticjob.kernel.internal.config.RescheduleListenerManager;
+import org.apache.shardingsphere.elasticjob.kernel.internal.election.ElectionListenerManager;
+import org.apache.shardingsphere.elasticjob.kernel.internal.failover.FailoverListenerManager;
+import org.apache.shardingsphere.elasticjob.kernel.internal.guarantee.GuaranteeListenerManager;
+import org.apache.shardingsphere.elasticjob.kernel.internal.instance.ShutdownListenerManager;
+import org.apache.shardingsphere.elasticjob.kernel.internal.sharding.MonitorExecutionListenerManager;
+import org.apache.shardingsphere.elasticjob.kernel.internal.sharding.ShardingListenerManager;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodeStorage;
+import org.apache.shardingsphere.elasticjob.kernel.internal.trigger.TriggerListenerManager;
+import org.apache.shardingsphere.elasticjob.kernel.util.ReflectionUtils;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/listener/ListenerNotifierManagerTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/listener/ListenerNotifierManagerTest.java
similarity index 96%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/listener/ListenerNotifierManagerTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/listener/ListenerNotifierManagerTest.java
index 5004bdf367..5d41011055 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/listener/ListenerNotifierManagerTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/listener/ListenerNotifierManagerTest.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.listener;
+package org.apache.shardingsphere.elasticjob.kernel.internal.listener;
 
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/listener/RegistryCenterConnectionStateListenerTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/listener/RegistryCenterConnectionStateListenerTest.java
similarity index 90%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/listener/RegistryCenterConnectionStateListenerTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/listener/RegistryCenterConnectionStateListenerTest.java
index 59bc43c88d..11addd1d5b 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/listener/RegistryCenterConnectionStateListenerTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/listener/RegistryCenterConnectionStateListenerTest.java
@@ -15,16 +15,16 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.listener;
+package org.apache.shardingsphere.elasticjob.kernel.internal.listener;
 
 import org.apache.shardingsphere.elasticjob.infra.handler.sharding.JobInstance;
-import org.apache.shardingsphere.elasticjob.engine.internal.instance.InstanceService;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobScheduleController;
-import org.apache.shardingsphere.elasticjob.engine.internal.server.ServerService;
-import org.apache.shardingsphere.elasticjob.engine.internal.sharding.ExecutionService;
-import org.apache.shardingsphere.elasticjob.engine.internal.sharding.ShardingService;
-import org.apache.shardingsphere.elasticjob.engine.util.ReflectionUtils;
+import org.apache.shardingsphere.elasticjob.kernel.internal.instance.InstanceService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobScheduleController;
+import org.apache.shardingsphere.elasticjob.kernel.internal.server.ServerService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.sharding.ExecutionService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.sharding.ShardingService;
+import org.apache.shardingsphere.elasticjob.kernel.util.ReflectionUtils;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 import org.apache.shardingsphere.elasticjob.reg.listener.ConnectionStateChangedEventListener.State;
 import org.junit.jupiter.api.BeforeEach;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/reconcile/ReconcileServiceTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/reconcile/ReconcileServiceTest.java
similarity index 91%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/reconcile/ReconcileServiceTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/reconcile/ReconcileServiceTest.java
index e739004deb..ed81011efe 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/reconcile/ReconcileServiceTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/reconcile/ReconcileServiceTest.java
@@ -15,15 +15,15 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.reconcile;
+package org.apache.shardingsphere.elasticjob.kernel.internal.reconcile;
 
 import com.google.common.collect.Lists;
 import org.apache.shardingsphere.elasticjob.api.JobConfiguration;
 import org.apache.shardingsphere.elasticjob.infra.handler.sharding.JobInstance;
-import org.apache.shardingsphere.elasticjob.engine.internal.config.ConfigurationService;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
-import org.apache.shardingsphere.elasticjob.engine.internal.sharding.ShardingService;
-import org.apache.shardingsphere.elasticjob.engine.util.ReflectionUtils;
+import org.apache.shardingsphere.elasticjob.kernel.internal.config.ConfigurationService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.internal.sharding.ShardingService;
+import org.apache.shardingsphere.elasticjob.kernel.util.ReflectionUtils;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/schedule/JobRegistryTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/schedule/JobRegistryTest.java
similarity index 97%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/schedule/JobRegistryTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/schedule/JobRegistryTest.java
index cf90da4558..faebd5eac3 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/schedule/JobRegistryTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/schedule/JobRegistryTest.java
@@ -15,11 +15,11 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.schedule;
+package org.apache.shardingsphere.elasticjob.kernel.internal.schedule;
 
 import org.apache.shardingsphere.elasticjob.infra.handler.sharding.JobInstance;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
-import org.apache.shardingsphere.elasticjob.engine.util.ReflectionUtils;
+import org.apache.shardingsphere.elasticjob.kernel.util.ReflectionUtils;
 import org.junit.jupiter.api.Test;
 
 import static org.hamcrest.CoreMatchers.is;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/schedule/JobScheduleControllerTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/schedule/JobScheduleControllerTest.java
similarity index 99%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/schedule/JobScheduleControllerTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/schedule/JobScheduleControllerTest.java
index 954411397c..7638f6eae9 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/schedule/JobScheduleControllerTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/schedule/JobScheduleControllerTest.java
@@ -15,10 +15,10 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.schedule;
+package org.apache.shardingsphere.elasticjob.kernel.internal.schedule;
 
 import org.apache.shardingsphere.elasticjob.infra.exception.JobSystemException;
-import org.apache.shardingsphere.elasticjob.engine.util.ReflectionUtils;
+import org.apache.shardingsphere.elasticjob.kernel.util.ReflectionUtils;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/schedule/JobTriggerListenerTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/schedule/JobTriggerListenerTest.java
similarity index 92%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/schedule/JobTriggerListenerTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/schedule/JobTriggerListenerTest.java
index 83f7cd8856..2be655b2b0 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/schedule/JobTriggerListenerTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/schedule/JobTriggerListenerTest.java
@@ -15,10 +15,10 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.schedule;
+package org.apache.shardingsphere.elasticjob.kernel.internal.schedule;
 
-import org.apache.shardingsphere.elasticjob.engine.internal.sharding.ExecutionService;
-import org.apache.shardingsphere.elasticjob.engine.internal.sharding.ShardingService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.sharding.ExecutionService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.sharding.ShardingService;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/schedule/LiteJobFacadeTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/schedule/LiteJobFacadeTest.java
similarity index 94%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/schedule/LiteJobFacadeTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/schedule/LiteJobFacadeTest.java
index a038e08b6a..79a25322cf 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/schedule/LiteJobFacadeTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/schedule/LiteJobFacadeTest.java
@@ -15,20 +15,20 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.schedule;
+package org.apache.shardingsphere.elasticjob.kernel.internal.schedule;
 
 import com.google.common.collect.Lists;
 import org.apache.shardingsphere.elasticjob.api.JobConfiguration;
 import org.apache.shardingsphere.elasticjob.infra.exception.JobExecutionEnvironmentException;
 import org.apache.shardingsphere.elasticjob.infra.listener.ShardingContexts;
-import org.apache.shardingsphere.elasticjob.engine.api.listener.fixture.ElasticJobListenerCaller;
-import org.apache.shardingsphere.elasticjob.engine.api.listener.fixture.TestElasticJobListener;
-import org.apache.shardingsphere.elasticjob.engine.internal.config.ConfigurationService;
-import org.apache.shardingsphere.elasticjob.engine.internal.failover.FailoverService;
-import org.apache.shardingsphere.elasticjob.engine.internal.sharding.ExecutionContextService;
-import org.apache.shardingsphere.elasticjob.engine.internal.sharding.ExecutionService;
-import org.apache.shardingsphere.elasticjob.engine.internal.sharding.ShardingService;
-import org.apache.shardingsphere.elasticjob.engine.util.ReflectionUtils;
+import org.apache.shardingsphere.elasticjob.kernel.api.listener.fixture.ElasticJobListenerCaller;
+import org.apache.shardingsphere.elasticjob.kernel.api.listener.fixture.TestElasticJobListener;
+import org.apache.shardingsphere.elasticjob.kernel.internal.config.ConfigurationService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.failover.FailoverService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.sharding.ExecutionContextService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.sharding.ExecutionService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.sharding.ShardingService;
+import org.apache.shardingsphere.elasticjob.kernel.util.ReflectionUtils;
 import org.apache.shardingsphere.elasticjob.tracing.JobTracingEventBus;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/schedule/SchedulerFacadeTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/schedule/SchedulerFacadeTest.java
similarity index 92%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/schedule/SchedulerFacadeTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/schedule/SchedulerFacadeTest.java
index 20808cdc9f..bed1745ce6 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/schedule/SchedulerFacadeTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/schedule/SchedulerFacadeTest.java
@@ -15,12 +15,12 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.schedule;
+package org.apache.shardingsphere.elasticjob.kernel.internal.schedule;
 
 import org.apache.shardingsphere.elasticjob.infra.handler.sharding.JobInstance;
-import org.apache.shardingsphere.elasticjob.engine.internal.election.LeaderService;
-import org.apache.shardingsphere.elasticjob.engine.internal.sharding.ShardingService;
-import org.apache.shardingsphere.elasticjob.engine.util.ReflectionUtils;
+import org.apache.shardingsphere.elasticjob.kernel.internal.election.LeaderService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.sharding.ShardingService;
+import org.apache.shardingsphere.elasticjob.kernel.util.ReflectionUtils;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/server/ServerNodeTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/server/ServerNodeTest.java
similarity index 94%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/server/ServerNodeTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/server/ServerNodeTest.java
index e5c65f3b3c..ee4f7e88f5 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/server/ServerNodeTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/server/ServerNodeTest.java
@@ -15,10 +15,10 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.server;
+package org.apache.shardingsphere.elasticjob.kernel.internal.server;
 
 import org.apache.shardingsphere.elasticjob.infra.handler.sharding.JobInstance;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Test;
 
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/server/ServerServiceTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/server/ServerServiceTest.java
similarity index 95%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/server/ServerServiceTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/server/ServerServiceTest.java
index 8b73f171e7..f6e7d99a9c 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/server/ServerServiceTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/server/ServerServiceTest.java
@@ -15,13 +15,13 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.server;
+package org.apache.shardingsphere.elasticjob.kernel.internal.server;
 
 import org.apache.shardingsphere.elasticjob.infra.handler.sharding.JobInstance;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobScheduleController;
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodeStorage;
-import org.apache.shardingsphere.elasticjob.engine.util.ReflectionUtils;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobScheduleController;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodeStorage;
+import org.apache.shardingsphere.elasticjob.kernel.util.ReflectionUtils;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/setup/DefaultJobClassNameProviderTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/setup/DefaultJobClassNameProviderTest.java
similarity index 86%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/setup/DefaultJobClassNameProviderTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/setup/DefaultJobClassNameProviderTest.java
index 8677c40555..03cd4941eb 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/setup/DefaultJobClassNameProviderTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/setup/DefaultJobClassNameProviderTest.java
@@ -15,10 +15,10 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.setup;
+package org.apache.shardingsphere.elasticjob.kernel.internal.setup;
 
-import org.apache.shardingsphere.elasticjob.engine.fixture.job.DetailedFooJob;
-import org.apache.shardingsphere.elasticjob.engine.fixture.job.FooJob;
+import org.apache.shardingsphere.elasticjob.kernel.fixture.job.DetailedFooJob;
+import org.apache.shardingsphere.elasticjob.kernel.fixture.job.FooJob;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.condition.DisabledForJreRange;
 import org.junit.jupiter.api.condition.JRE;
@@ -32,7 +32,7 @@ class DefaultJobClassNameProviderTest {
     void assertGetOrdinaryClassJobName() {
         JobClassNameProvider jobClassNameProvider = new DefaultJobClassNameProvider();
         String result = jobClassNameProvider.getJobClassName(new DetailedFooJob());
-        assertThat(result, is("org.apache.shardingsphere.elasticjob.engine.fixture.job.DetailedFooJob"));
+        assertThat(result, is("org.apache.shardingsphere.elasticjob.kernel.fixture.job.DetailedFooJob"));
     }
     
     // TODO OpenJDK 21 breaks this unit test.
@@ -43,6 +43,6 @@ void assertGetLambdaJobName() {
         FooJob lambdaFooJob = shardingContext -> {
         };
         String result = jobClassNameProvider.getJobClassName(lambdaFooJob);
-        assertThat(result, is("org.apache.shardingsphere.elasticjob.engine.internal.setup.DefaultJobClassNameProviderTest$$Lambda$"));
+        assertThat(result, is("org.apache.shardingsphere.elasticjob.kernel.internal.setup.DefaultJobClassNameProviderTest$$Lambda$"));
     }
 }
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/setup/JobClassNameProviderFactoryTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/setup/JobClassNameProviderFactoryTest.java
similarity index 94%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/setup/JobClassNameProviderFactoryTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/setup/JobClassNameProviderFactoryTest.java
index 9abcb65459..55ce2a9989 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/setup/JobClassNameProviderFactoryTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/setup/JobClassNameProviderFactoryTest.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.setup;
+package org.apache.shardingsphere.elasticjob.kernel.internal.setup;
 
 import org.junit.jupiter.api.Test;
 
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/setup/SetUpFacadeTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/setup/SetUpFacadeTest.java
similarity index 85%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/setup/SetUpFacadeTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/setup/SetUpFacadeTest.java
index 9a75384159..3f99581c74 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/setup/SetUpFacadeTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/setup/SetUpFacadeTest.java
@@ -15,16 +15,16 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.setup;
+package org.apache.shardingsphere.elasticjob.kernel.internal.setup;
 
 import org.apache.shardingsphere.elasticjob.infra.handler.sharding.JobInstance;
-import org.apache.shardingsphere.elasticjob.engine.internal.election.LeaderService;
-import org.apache.shardingsphere.elasticjob.engine.internal.instance.InstanceService;
-import org.apache.shardingsphere.elasticjob.engine.internal.listener.ListenerManager;
-import org.apache.shardingsphere.elasticjob.engine.internal.reconcile.ReconcileService;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
-import org.apache.shardingsphere.elasticjob.engine.internal.server.ServerService;
-import org.apache.shardingsphere.elasticjob.engine.util.ReflectionUtils;
+import org.apache.shardingsphere.elasticjob.kernel.internal.election.LeaderService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.instance.InstanceService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.listener.ListenerManager;
+import org.apache.shardingsphere.elasticjob.kernel.internal.reconcile.ReconcileService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.internal.server.ServerService;
+import org.apache.shardingsphere.elasticjob.kernel.util.ReflectionUtils;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/sharding/ExecutionContextServiceTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/sharding/ExecutionContextServiceTest.java
similarity index 94%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/sharding/ExecutionContextServiceTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/sharding/ExecutionContextServiceTest.java
index e9c592c709..23a2e4db46 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/sharding/ExecutionContextServiceTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/sharding/ExecutionContextServiceTest.java
@@ -15,16 +15,16 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.sharding;
+package org.apache.shardingsphere.elasticjob.kernel.internal.sharding;
 
 import com.google.common.collect.Lists;
 import org.apache.shardingsphere.elasticjob.api.JobConfiguration;
 import org.apache.shardingsphere.elasticjob.infra.handler.sharding.JobInstance;
 import org.apache.shardingsphere.elasticjob.infra.listener.ShardingContexts;
-import org.apache.shardingsphere.elasticjob.engine.internal.config.ConfigurationService;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodeStorage;
-import org.apache.shardingsphere.elasticjob.engine.util.ReflectionUtils;
+import org.apache.shardingsphere.elasticjob.kernel.internal.config.ConfigurationService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodeStorage;
+import org.apache.shardingsphere.elasticjob.kernel.util.ReflectionUtils;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/sharding/ExecutionServiceTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/sharding/ExecutionServiceTest.java
similarity index 97%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/sharding/ExecutionServiceTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/sharding/ExecutionServiceTest.java
index b994a17350..9abcf8e311 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/sharding/ExecutionServiceTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/sharding/ExecutionServiceTest.java
@@ -15,15 +15,15 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.sharding;
+package org.apache.shardingsphere.elasticjob.kernel.internal.sharding;
 
 import org.apache.shardingsphere.elasticjob.api.JobConfiguration;
 import org.apache.shardingsphere.elasticjob.infra.handler.sharding.JobInstance;
 import org.apache.shardingsphere.elasticjob.infra.listener.ShardingContexts;
-import org.apache.shardingsphere.elasticjob.engine.internal.config.ConfigurationService;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodeStorage;
-import org.apache.shardingsphere.elasticjob.engine.util.ReflectionUtils;
+import org.apache.shardingsphere.elasticjob.kernel.internal.config.ConfigurationService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodeStorage;
+import org.apache.shardingsphere.elasticjob.kernel.util.ReflectionUtils;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/sharding/MonitorExecutionListenerManagerTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/sharding/MonitorExecutionListenerManagerTest.java
similarity index 93%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/sharding/MonitorExecutionListenerManagerTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/sharding/MonitorExecutionListenerManagerTest.java
index 5b7b87069f..20fa06d6dd 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/sharding/MonitorExecutionListenerManagerTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/sharding/MonitorExecutionListenerManagerTest.java
@@ -15,11 +15,11 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.sharding;
+package org.apache.shardingsphere.elasticjob.kernel.internal.sharding;
 
-import org.apache.shardingsphere.elasticjob.engine.fixture.LiteYamlConstants;
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodeStorage;
-import org.apache.shardingsphere.elasticjob.engine.util.ReflectionUtils;
+import org.apache.shardingsphere.elasticjob.kernel.fixture.LiteYamlConstants;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodeStorage;
+import org.apache.shardingsphere.elasticjob.kernel.util.ReflectionUtils;
 import org.apache.shardingsphere.elasticjob.reg.listener.DataChangedEvent;
 import org.apache.shardingsphere.elasticjob.reg.listener.DataChangedEvent.Type;
 import org.junit.jupiter.api.BeforeEach;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/sharding/ShardingListenerManagerTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/sharding/ShardingListenerManagerTest.java
similarity index 94%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/sharding/ShardingListenerManagerTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/sharding/ShardingListenerManagerTest.java
index 7a2c29e56d..e8e6fee1df 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/sharding/ShardingListenerManagerTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/sharding/ShardingListenerManagerTest.java
@@ -15,17 +15,17 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.sharding;
+package org.apache.shardingsphere.elasticjob.kernel.internal.sharding;
 
 import com.google.common.collect.Lists;
 import org.apache.shardingsphere.elasticjob.api.JobConfiguration;
 import org.apache.shardingsphere.elasticjob.infra.handler.sharding.JobInstance;
-import org.apache.shardingsphere.elasticjob.engine.fixture.LiteYamlConstants;
-import org.apache.shardingsphere.elasticjob.engine.internal.config.ConfigurationService;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobScheduleController;
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodeStorage;
-import org.apache.shardingsphere.elasticjob.engine.util.ReflectionUtils;
+import org.apache.shardingsphere.elasticjob.kernel.fixture.LiteYamlConstants;
+import org.apache.shardingsphere.elasticjob.kernel.internal.config.ConfigurationService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobScheduleController;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodeStorage;
+import org.apache.shardingsphere.elasticjob.kernel.util.ReflectionUtils;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 import org.apache.shardingsphere.elasticjob.reg.listener.DataChangedEvent;
 import org.apache.shardingsphere.elasticjob.reg.listener.DataChangedEvent.Type;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/sharding/ShardingNodeTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/sharding/ShardingNodeTest.java
similarity index 96%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/sharding/ShardingNodeTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/sharding/ShardingNodeTest.java
index b017950f6d..eccc117990 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/sharding/ShardingNodeTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/sharding/ShardingNodeTest.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.sharding;
+package org.apache.shardingsphere.elasticjob.kernel.internal.sharding;
 
 import org.junit.jupiter.api.Test;
 
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/sharding/ShardingServiceTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/sharding/ShardingServiceTest.java
similarity index 95%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/sharding/ShardingServiceTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/sharding/ShardingServiceTest.java
index f41bc8dadf..9f38576a74 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/sharding/ShardingServiceTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/sharding/ShardingServiceTest.java
@@ -15,19 +15,19 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.sharding;
+package org.apache.shardingsphere.elasticjob.kernel.internal.sharding;
 
 import org.apache.shardingsphere.elasticjob.api.JobConfiguration;
 import org.apache.shardingsphere.elasticjob.infra.handler.sharding.JobInstance;
-import org.apache.shardingsphere.elasticjob.engine.internal.config.ConfigurationService;
-import org.apache.shardingsphere.elasticjob.engine.internal.election.LeaderService;
-import org.apache.shardingsphere.elasticjob.engine.internal.instance.InstanceNode;
-import org.apache.shardingsphere.elasticjob.engine.internal.instance.InstanceService;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobScheduleController;
-import org.apache.shardingsphere.elasticjob.engine.internal.server.ServerService;
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodeStorage;
-import org.apache.shardingsphere.elasticjob.engine.util.ReflectionUtils;
+import org.apache.shardingsphere.elasticjob.kernel.internal.config.ConfigurationService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.election.LeaderService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.instance.InstanceNode;
+import org.apache.shardingsphere.elasticjob.kernel.internal.instance.InstanceService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobScheduleController;
+import org.apache.shardingsphere.elasticjob.kernel.internal.server.ServerService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodeStorage;
+import org.apache.shardingsphere.elasticjob.kernel.util.ReflectionUtils;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/snapshot/BaseSnapshotServiceTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/snapshot/BaseSnapshotServiceTest.java
similarity index 89%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/snapshot/BaseSnapshotServiceTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/snapshot/BaseSnapshotServiceTest.java
index d515d6837d..98309a2cfa 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/snapshot/BaseSnapshotServiceTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/snapshot/BaseSnapshotServiceTest.java
@@ -15,16 +15,16 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.snapshot;
+package org.apache.shardingsphere.elasticjob.kernel.internal.snapshot;
 
 import lombok.AccessLevel;
 import lombok.Getter;
 import org.apache.shardingsphere.elasticjob.api.ElasticJob;
 import org.apache.shardingsphere.elasticjob.api.JobConfiguration;
-import org.apache.shardingsphere.elasticjob.engine.api.bootstrap.impl.ScheduleJobBootstrap;
-import org.apache.shardingsphere.elasticjob.engine.fixture.EmbedTestingServer;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
-import org.apache.shardingsphere.elasticjob.engine.util.ReflectionUtils;
+import org.apache.shardingsphere.elasticjob.kernel.api.bootstrap.impl.ScheduleJobBootstrap;
+import org.apache.shardingsphere.elasticjob.kernel.fixture.EmbedTestingServer;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.util.ReflectionUtils;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 import org.apache.shardingsphere.elasticjob.reg.zookeeper.ZookeeperConfiguration;
 import org.apache.shardingsphere.elasticjob.reg.zookeeper.ZookeeperRegistryCenter;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/snapshot/SnapshotServiceDisableTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/snapshot/SnapshotServiceDisableTest.java
similarity index 94%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/snapshot/SnapshotServiceDisableTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/snapshot/SnapshotServiceDisableTest.java
index 418081d3d6..62c5a02fbe 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/snapshot/SnapshotServiceDisableTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/snapshot/SnapshotServiceDisableTest.java
@@ -15,10 +15,10 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.snapshot;
+package org.apache.shardingsphere.elasticjob.kernel.internal.snapshot;
 
 import lombok.SneakyThrows;
-import org.apache.shardingsphere.elasticjob.engine.fixture.job.DetailedFooJob;
+import org.apache.shardingsphere.elasticjob.kernel.fixture.job.DetailedFooJob;
 import org.junit.jupiter.api.Test;
 
 import java.io.IOException;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/snapshot/SnapshotServiceEnableTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/snapshot/SnapshotServiceEnableTest.java
similarity index 93%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/snapshot/SnapshotServiceEnableTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/snapshot/SnapshotServiceEnableTest.java
index e366fd6847..3c40dcaa52 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/snapshot/SnapshotServiceEnableTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/snapshot/SnapshotServiceEnableTest.java
@@ -15,9 +15,9 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.snapshot;
+package org.apache.shardingsphere.elasticjob.kernel.internal.snapshot;
 
-import org.apache.shardingsphere.elasticjob.engine.fixture.job.DetailedFooJob;
+import org.apache.shardingsphere.elasticjob.kernel.fixture.job.DetailedFooJob;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/snapshot/SocketUtils.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/snapshot/SocketUtils.java
similarity index 97%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/snapshot/SocketUtils.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/snapshot/SocketUtils.java
index 39ec76d93e..130c10288a 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/snapshot/SocketUtils.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/snapshot/SocketUtils.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.snapshot;
+package org.apache.shardingsphere.elasticjob.kernel.internal.snapshot;
 
 import lombok.AccessLevel;
 import lombok.NoArgsConstructor;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/storage/JobNodePathTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/storage/JobNodePathTest.java
similarity index 96%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/storage/JobNodePathTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/storage/JobNodePathTest.java
index ab920776c8..a49243cfbc 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/storage/JobNodePathTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/storage/JobNodePathTest.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.storage;
+package org.apache.shardingsphere.elasticjob.kernel.internal.storage;
 
 import org.junit.jupiter.api.Test;
 
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/storage/JobNodeStorageTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/storage/JobNodeStorageTest.java
similarity index 97%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/storage/JobNodeStorageTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/storage/JobNodeStorageTest.java
index 3d32f5b7ff..2d43bcb628 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/storage/JobNodeStorageTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/storage/JobNodeStorageTest.java
@@ -15,10 +15,10 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.storage;
+package org.apache.shardingsphere.elasticjob.kernel.internal.storage;
 
-import org.apache.shardingsphere.elasticjob.engine.internal.listener.ListenerNotifierManager;
-import org.apache.shardingsphere.elasticjob.engine.util.ReflectionUtils;
+import org.apache.shardingsphere.elasticjob.kernel.internal.listener.ListenerNotifierManager;
+import org.apache.shardingsphere.elasticjob.kernel.util.ReflectionUtils;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 import org.apache.shardingsphere.elasticjob.reg.base.transaction.TransactionOperation;
 import org.apache.shardingsphere.elasticjob.reg.exception.RegException;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/trigger/TriggerListenerManagerTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/trigger/TriggerListenerManagerTest.java
similarity index 93%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/trigger/TriggerListenerManagerTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/trigger/TriggerListenerManagerTest.java
index 0f17628c27..f30045eb30 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/trigger/TriggerListenerManagerTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/trigger/TriggerListenerManagerTest.java
@@ -15,13 +15,13 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.trigger;
+package org.apache.shardingsphere.elasticjob.kernel.internal.trigger;
 
 import org.apache.shardingsphere.elasticjob.infra.handler.sharding.JobInstance;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobScheduleController;
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodeStorage;
-import org.apache.shardingsphere.elasticjob.engine.util.ReflectionUtils;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobScheduleController;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodeStorage;
+import org.apache.shardingsphere.elasticjob.kernel.util.ReflectionUtils;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 import org.apache.shardingsphere.elasticjob.reg.listener.DataChangedEvent;
 import org.junit.jupiter.api.BeforeEach;
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/util/SensitiveInfoUtilsTest.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/util/SensitiveInfoUtilsTest.java
similarity index 96%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/util/SensitiveInfoUtilsTest.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/util/SensitiveInfoUtilsTest.java
index cc1771b949..e21dae37d9 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/internal/util/SensitiveInfoUtilsTest.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/internal/util/SensitiveInfoUtilsTest.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.internal.util;
+package org.apache.shardingsphere.elasticjob.kernel.internal.util;
 
 import org.junit.jupiter.api.Test;
 
diff --git a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/util/ReflectionUtils.java b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/util/ReflectionUtils.java
similarity index 97%
rename from kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/util/ReflectionUtils.java
rename to kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/util/ReflectionUtils.java
index fe4639b48d..cc93be2bec 100644
--- a/kernel/src/test/java/org/apache/shardingsphere/elasticjob/engine/util/ReflectionUtils.java
+++ b/kernel/src/test/java/org/apache/shardingsphere/elasticjob/kernel/util/ReflectionUtils.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.elasticjob.engine.util;
+package org.apache.shardingsphere.elasticjob.kernel.util;
 
 import lombok.AccessLevel;
 import lombok.NoArgsConstructor;
diff --git a/kernel/src/test/resources/META-INF/services/org.apache.shardingsphere.elasticjob.executor.item.impl.ClassedJobItemExecutor b/kernel/src/test/resources/META-INF/services/org.apache.shardingsphere.elasticjob.executor.item.impl.ClassedJobItemExecutor
index 7302c9a357..bb119fea59 100644
--- a/kernel/src/test/resources/META-INF/services/org.apache.shardingsphere.elasticjob.executor.item.impl.ClassedJobItemExecutor
+++ b/kernel/src/test/resources/META-INF/services/org.apache.shardingsphere.elasticjob.executor.item.impl.ClassedJobItemExecutor
@@ -15,4 +15,4 @@
 # limitations under the License.
 #
 
-org.apache.shardingsphere.elasticjob.engine.fixture.executor.ClassedFooJobExecutor
+org.apache.shardingsphere.elasticjob.kernel.fixture.executor.ClassedFooJobExecutor
diff --git a/kernel/src/test/resources/META-INF/services/org.apache.shardingsphere.elasticjob.infra.listener.ElasticJobListener b/kernel/src/test/resources/META-INF/services/org.apache.shardingsphere.elasticjob.infra.listener.ElasticJobListener
index cc9b221927..69fd14c6e0 100644
--- a/kernel/src/test/resources/META-INF/services/org.apache.shardingsphere.elasticjob.infra.listener.ElasticJobListener
+++ b/kernel/src/test/resources/META-INF/services/org.apache.shardingsphere.elasticjob.infra.listener.ElasticJobListener
@@ -15,7 +15,7 @@
 # limitations under the License.
 #
 
-org.apache.shardingsphere.elasticjob.engine.api.listener.fixture.TestDistributeOnceElasticJobListener
-org.apache.shardingsphere.elasticjob.engine.api.listener.fixture.TestElasticJobListener
-org.apache.shardingsphere.elasticjob.engine.integrate.listener.TestDistributeOnceElasticJobListener
-org.apache.shardingsphere.elasticjob.engine.integrate.listener.TestElasticJobListener
+org.apache.shardingsphere.elasticjob.kernel.api.listener.fixture.TestDistributeOnceElasticJobListener
+org.apache.shardingsphere.elasticjob.kernel.api.listener.fixture.TestElasticJobListener
+org.apache.shardingsphere.elasticjob.kernel.integrate.listener.TestDistributeOnceElasticJobListener
+org.apache.shardingsphere.elasticjob.kernel.integrate.listener.TestElasticJobListener
diff --git a/kernel/src/test/resources/logback-test.xml b/kernel/src/test/resources/logback-test.xml
index 3910420a37..bbddeff36a 100644
--- a/kernel/src/test/resources/logback-test.xml
+++ b/kernel/src/test/resources/logback-test.xml
@@ -36,7 +36,7 @@
         <appender-ref ref="STDOUT" />
     </root>
     
-    <logger name="org.apache.shardingsphere.elasticjob.engine.internal.snapshot.SnapshotService" level="OFF" />
+    <logger name="org.apache.shardingsphere.elasticjob.kernel.internal.snapshot.SnapshotService" level="OFF" />
     <logger name="org.apache.shardingsphere.elasticjob.infra.handler.error.impl.LogJobErrorHandler" level="OFF" />
     <logger name="org.apache.curator.framework.listen.MappingListenerManager" level="OFF" />
 </configuration>
diff --git a/lifecycle/src/main/java/org/apache/shardingsphere/elasticjob/lifecycle/internal/operate/JobOperateAPIImpl.java b/lifecycle/src/main/java/org/apache/shardingsphere/elasticjob/lifecycle/internal/operate/JobOperateAPIImpl.java
index 899a2e7b13..3ba3e6922b 100644
--- a/lifecycle/src/main/java/org/apache/shardingsphere/elasticjob/lifecycle/internal/operate/JobOperateAPIImpl.java
+++ b/lifecycle/src/main/java/org/apache/shardingsphere/elasticjob/lifecycle/internal/operate/JobOperateAPIImpl.java
@@ -20,10 +20,10 @@
 import com.google.common.base.Preconditions;
 import org.apache.shardingsphere.elasticjob.infra.handler.sharding.JobInstance;
 import org.apache.shardingsphere.elasticjob.infra.yaml.YamlEngine;
-import org.apache.shardingsphere.elasticjob.engine.internal.instance.InstanceService;
-import org.apache.shardingsphere.elasticjob.engine.internal.server.ServerStatus;
-import org.apache.shardingsphere.elasticjob.engine.internal.snapshot.SnapshotService;
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodePath;
+import org.apache.shardingsphere.elasticjob.kernel.internal.instance.InstanceService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.server.ServerStatus;
+import org.apache.shardingsphere.elasticjob.kernel.internal.snapshot.SnapshotService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodePath;
 import org.apache.shardingsphere.elasticjob.lifecycle.api.JobOperateAPI;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 
diff --git a/lifecycle/src/main/java/org/apache/shardingsphere/elasticjob/lifecycle/internal/operate/ShardingOperateAPIImpl.java b/lifecycle/src/main/java/org/apache/shardingsphere/elasticjob/lifecycle/internal/operate/ShardingOperateAPIImpl.java
index 58ea9020f7..ececf03ba2 100644
--- a/lifecycle/src/main/java/org/apache/shardingsphere/elasticjob/lifecycle/internal/operate/ShardingOperateAPIImpl.java
+++ b/lifecycle/src/main/java/org/apache/shardingsphere/elasticjob/lifecycle/internal/operate/ShardingOperateAPIImpl.java
@@ -17,7 +17,7 @@
 
 package org.apache.shardingsphere.elasticjob.lifecycle.internal.operate;
 
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodePath;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodePath;
 import org.apache.shardingsphere.elasticjob.lifecycle.api.ShardingOperateAPI;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 
diff --git a/lifecycle/src/main/java/org/apache/shardingsphere/elasticjob/lifecycle/internal/settings/JobConfigurationAPIImpl.java b/lifecycle/src/main/java/org/apache/shardingsphere/elasticjob/lifecycle/internal/settings/JobConfigurationAPIImpl.java
index 39150556cc..5f2405ba70 100644
--- a/lifecycle/src/main/java/org/apache/shardingsphere/elasticjob/lifecycle/internal/settings/JobConfigurationAPIImpl.java
+++ b/lifecycle/src/main/java/org/apache/shardingsphere/elasticjob/lifecycle/internal/settings/JobConfigurationAPIImpl.java
@@ -21,7 +21,7 @@
 import com.google.common.base.Strings;
 import lombok.RequiredArgsConstructor;
 import org.apache.shardingsphere.elasticjob.infra.pojo.JobConfigurationPOJO;
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodePath;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodePath;
 import org.apache.shardingsphere.elasticjob.lifecycle.api.JobConfigurationAPI;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 import org.apache.shardingsphere.elasticjob.infra.yaml.YamlEngine;
diff --git a/lifecycle/src/main/java/org/apache/shardingsphere/elasticjob/lifecycle/internal/statistics/JobStatisticsAPIImpl.java b/lifecycle/src/main/java/org/apache/shardingsphere/elasticjob/lifecycle/internal/statistics/JobStatisticsAPIImpl.java
index 7e745eb95e..a1e978f95a 100644
--- a/lifecycle/src/main/java/org/apache/shardingsphere/elasticjob/lifecycle/internal/statistics/JobStatisticsAPIImpl.java
+++ b/lifecycle/src/main/java/org/apache/shardingsphere/elasticjob/lifecycle/internal/statistics/JobStatisticsAPIImpl.java
@@ -21,7 +21,7 @@
 import org.apache.shardingsphere.elasticjob.api.JobConfiguration;
 import org.apache.shardingsphere.elasticjob.infra.handler.sharding.JobInstance;
 import org.apache.shardingsphere.elasticjob.infra.pojo.JobConfigurationPOJO;
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodePath;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodePath;
 import org.apache.shardingsphere.elasticjob.lifecycle.api.JobStatisticsAPI;
 import org.apache.shardingsphere.elasticjob.lifecycle.domain.JobBriefInfo;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
diff --git a/lifecycle/src/main/java/org/apache/shardingsphere/elasticjob/lifecycle/internal/statistics/ServerStatisticsAPIImpl.java b/lifecycle/src/main/java/org/apache/shardingsphere/elasticjob/lifecycle/internal/statistics/ServerStatisticsAPIImpl.java
index edbe7b3815..95cd969323 100644
--- a/lifecycle/src/main/java/org/apache/shardingsphere/elasticjob/lifecycle/internal/statistics/ServerStatisticsAPIImpl.java
+++ b/lifecycle/src/main/java/org/apache/shardingsphere/elasticjob/lifecycle/internal/statistics/ServerStatisticsAPIImpl.java
@@ -20,7 +20,7 @@
 import lombok.RequiredArgsConstructor;
 import org.apache.shardingsphere.elasticjob.infra.handler.sharding.JobInstance;
 import org.apache.shardingsphere.elasticjob.infra.yaml.YamlEngine;
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodePath;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodePath;
 import org.apache.shardingsphere.elasticjob.lifecycle.api.ServerStatisticsAPI;
 import org.apache.shardingsphere.elasticjob.lifecycle.domain.ServerBriefInfo;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
diff --git a/lifecycle/src/main/java/org/apache/shardingsphere/elasticjob/lifecycle/internal/statistics/ShardingStatisticsAPIImpl.java b/lifecycle/src/main/java/org/apache/shardingsphere/elasticjob/lifecycle/internal/statistics/ShardingStatisticsAPIImpl.java
index 097dd652dd..32b91f473e 100644
--- a/lifecycle/src/main/java/org/apache/shardingsphere/elasticjob/lifecycle/internal/statistics/ShardingStatisticsAPIImpl.java
+++ b/lifecycle/src/main/java/org/apache/shardingsphere/elasticjob/lifecycle/internal/statistics/ShardingStatisticsAPIImpl.java
@@ -20,7 +20,7 @@
 import lombok.RequiredArgsConstructor;
 import org.apache.shardingsphere.elasticjob.infra.handler.sharding.JobInstance;
 import org.apache.shardingsphere.elasticjob.infra.yaml.YamlEngine;
-import org.apache.shardingsphere.elasticjob.engine.internal.storage.JobNodePath;
+import org.apache.shardingsphere.elasticjob.kernel.internal.storage.JobNodePath;
 import org.apache.shardingsphere.elasticjob.lifecycle.api.ShardingStatisticsAPI;
 import org.apache.shardingsphere.elasticjob.lifecycle.domain.ShardingInfo;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
diff --git a/spring/boot-starter/src/main/java/org/apache/shardingsphere/elasticjob/spring/boot/job/ElasticJobBootstrapConfiguration.java b/spring/boot-starter/src/main/java/org/apache/shardingsphere/elasticjob/spring/boot/job/ElasticJobBootstrapConfiguration.java
index 2895efde50..a8d157f0e6 100644
--- a/spring/boot-starter/src/main/java/org/apache/shardingsphere/elasticjob/spring/boot/job/ElasticJobBootstrapConfiguration.java
+++ b/spring/boot-starter/src/main/java/org/apache/shardingsphere/elasticjob/spring/boot/job/ElasticJobBootstrapConfiguration.java
@@ -23,8 +23,8 @@
 import lombok.extern.slf4j.Slf4j;
 import org.apache.shardingsphere.elasticjob.api.ElasticJob;
 import org.apache.shardingsphere.elasticjob.api.JobConfiguration;
-import org.apache.shardingsphere.elasticjob.engine.api.bootstrap.impl.OneOffJobBootstrap;
-import org.apache.shardingsphere.elasticjob.engine.api.bootstrap.impl.ScheduleJobBootstrap;
+import org.apache.shardingsphere.elasticjob.kernel.api.bootstrap.impl.OneOffJobBootstrap;
+import org.apache.shardingsphere.elasticjob.kernel.api.bootstrap.impl.ScheduleJobBootstrap;
 import org.apache.shardingsphere.elasticjob.spring.boot.tracing.TracingProperties;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 import org.apache.shardingsphere.elasticjob.tracing.api.TracingConfiguration;
diff --git a/spring/boot-starter/src/main/java/org/apache/shardingsphere/elasticjob/spring/boot/job/ScheduleJobBootstrapStartupRunner.java b/spring/boot-starter/src/main/java/org/apache/shardingsphere/elasticjob/spring/boot/job/ScheduleJobBootstrapStartupRunner.java
index 423f37e7eb..9896f3e389 100644
--- a/spring/boot-starter/src/main/java/org/apache/shardingsphere/elasticjob/spring/boot/job/ScheduleJobBootstrapStartupRunner.java
+++ b/spring/boot-starter/src/main/java/org/apache/shardingsphere/elasticjob/spring/boot/job/ScheduleJobBootstrapStartupRunner.java
@@ -19,7 +19,7 @@
 
 import lombok.Setter;
 import lombok.extern.slf4j.Slf4j;
-import org.apache.shardingsphere.elasticjob.engine.api.bootstrap.impl.ScheduleJobBootstrap;
+import org.apache.shardingsphere.elasticjob.kernel.api.bootstrap.impl.ScheduleJobBootstrap;
 import org.springframework.boot.CommandLineRunner;
 import org.springframework.context.ApplicationContext;
 import org.springframework.context.ApplicationContextAware;
diff --git a/spring/boot-starter/src/main/java/org/apache/shardingsphere/elasticjob/spring/boot/reg/snapshot/ElasticJobSnapshotServiceConfiguration.java b/spring/boot-starter/src/main/java/org/apache/shardingsphere/elasticjob/spring/boot/reg/snapshot/ElasticJobSnapshotServiceConfiguration.java
index 1fdaf4dc0a..0466bb69db 100644
--- a/spring/boot-starter/src/main/java/org/apache/shardingsphere/elasticjob/spring/boot/reg/snapshot/ElasticJobSnapshotServiceConfiguration.java
+++ b/spring/boot-starter/src/main/java/org/apache/shardingsphere/elasticjob/spring/boot/reg/snapshot/ElasticJobSnapshotServiceConfiguration.java
@@ -17,7 +17,7 @@
 
 package org.apache.shardingsphere.elasticjob.spring.boot.reg.snapshot;
 
-import org.apache.shardingsphere.elasticjob.engine.internal.snapshot.SnapshotService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.snapshot.SnapshotService;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
diff --git a/spring/boot-starter/src/test/java/org/apache/shardingsphere/elasticjob/spring/boot/job/ElasticJobSpringBootScannerTest.java b/spring/boot-starter/src/test/java/org/apache/shardingsphere/elasticjob/spring/boot/job/ElasticJobSpringBootScannerTest.java
index a8e2984215..2e4a8630fa 100644
--- a/spring/boot-starter/src/test/java/org/apache/shardingsphere/elasticjob/spring/boot/job/ElasticJobSpringBootScannerTest.java
+++ b/spring/boot-starter/src/test/java/org/apache/shardingsphere/elasticjob/spring/boot/job/ElasticJobSpringBootScannerTest.java
@@ -17,7 +17,7 @@
 
 package org.apache.shardingsphere.elasticjob.spring.boot.job;
 
-import org.apache.shardingsphere.elasticjob.engine.api.bootstrap.impl.ScheduleJobBootstrap;
+import org.apache.shardingsphere.elasticjob.kernel.api.bootstrap.impl.ScheduleJobBootstrap;
 import org.apache.shardingsphere.elasticjob.spring.boot.job.fixture.EmbedTestingServer;
 import org.apache.shardingsphere.elasticjob.spring.boot.job.fixture.job.impl.AnnotationCustomJob;
 import org.apache.shardingsphere.elasticjob.spring.core.scanner.ElasticJobScan;
diff --git a/spring/boot-starter/src/test/java/org/apache/shardingsphere/elasticjob/spring/boot/job/ElasticJobSpringBootTest.java b/spring/boot-starter/src/test/java/org/apache/shardingsphere/elasticjob/spring/boot/job/ElasticJobSpringBootTest.java
index 4d9860908c..4decf24348 100644
--- a/spring/boot-starter/src/test/java/org/apache/shardingsphere/elasticjob/spring/boot/job/ElasticJobSpringBootTest.java
+++ b/spring/boot-starter/src/test/java/org/apache/shardingsphere/elasticjob/spring/boot/job/ElasticJobSpringBootTest.java
@@ -19,10 +19,10 @@
 
 import org.apache.shardingsphere.elasticjob.api.ElasticJob;
 import org.apache.shardingsphere.elasticjob.api.JobExtraConfiguration;
-import org.apache.shardingsphere.elasticjob.engine.api.bootstrap.JobBootstrap;
-import org.apache.shardingsphere.elasticjob.engine.api.bootstrap.impl.OneOffJobBootstrap;
-import org.apache.shardingsphere.elasticjob.engine.api.bootstrap.impl.ScheduleJobBootstrap;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobScheduler;
+import org.apache.shardingsphere.elasticjob.kernel.api.bootstrap.JobBootstrap;
+import org.apache.shardingsphere.elasticjob.kernel.api.bootstrap.impl.OneOffJobBootstrap;
+import org.apache.shardingsphere.elasticjob.kernel.api.bootstrap.impl.ScheduleJobBootstrap;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobScheduler;
 import org.apache.shardingsphere.elasticjob.spring.boot.job.fixture.EmbedTestingServer;
 import org.apache.shardingsphere.elasticjob.spring.boot.job.fixture.job.impl.CustomTestJob;
 import org.apache.shardingsphere.elasticjob.spring.boot.reg.ZookeeperProperties;
diff --git a/spring/boot-starter/src/test/java/org/apache/shardingsphere/elasticjob/spring/boot/reg/snapshot/ElasticJobSnapshotServiceConfigurationTest.java b/spring/boot-starter/src/test/java/org/apache/shardingsphere/elasticjob/spring/boot/reg/snapshot/ElasticJobSnapshotServiceConfigurationTest.java
index 49a570005a..ac3bfea062 100644
--- a/spring/boot-starter/src/test/java/org/apache/shardingsphere/elasticjob/spring/boot/reg/snapshot/ElasticJobSnapshotServiceConfigurationTest.java
+++ b/spring/boot-starter/src/test/java/org/apache/shardingsphere/elasticjob/spring/boot/reg/snapshot/ElasticJobSnapshotServiceConfigurationTest.java
@@ -17,7 +17,7 @@
 
 package org.apache.shardingsphere.elasticjob.spring.boot.reg.snapshot;
 
-import org.apache.shardingsphere.elasticjob.engine.internal.snapshot.SnapshotService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.snapshot.SnapshotService;
 import org.apache.shardingsphere.elasticjob.spring.boot.job.fixture.EmbedTestingServer;
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Test;
diff --git a/spring/core/src/main/java/org/apache/shardingsphere/elasticjob/spring/core/scanner/ClassPathJobScanner.java b/spring/core/src/main/java/org/apache/shardingsphere/elasticjob/spring/core/scanner/ClassPathJobScanner.java
index f17f70badb..a811f4b843 100644
--- a/spring/core/src/main/java/org/apache/shardingsphere/elasticjob/spring/core/scanner/ClassPathJobScanner.java
+++ b/spring/core/src/main/java/org/apache/shardingsphere/elasticjob/spring/core/scanner/ClassPathJobScanner.java
@@ -19,7 +19,7 @@
 
 import org.apache.commons.lang3.StringUtils;
 import org.apache.shardingsphere.elasticjob.annotation.ElasticJobConfiguration;
-import org.apache.shardingsphere.elasticjob.engine.api.bootstrap.impl.ScheduleJobBootstrap;
+import org.apache.shardingsphere.elasticjob.kernel.api.bootstrap.impl.ScheduleJobBootstrap;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 import org.springframework.beans.factory.config.BeanDefinitionHolder;
 import org.springframework.beans.factory.config.RuntimeBeanReference;
diff --git a/spring/core/src/main/java/org/apache/shardingsphere/elasticjob/spring/core/setup/SpringProxyJobClassNameProvider.java b/spring/core/src/main/java/org/apache/shardingsphere/elasticjob/spring/core/setup/SpringProxyJobClassNameProvider.java
index 7ea11d493a..69f9e80eeb 100644
--- a/spring/core/src/main/java/org/apache/shardingsphere/elasticjob/spring/core/setup/SpringProxyJobClassNameProvider.java
+++ b/spring/core/src/main/java/org/apache/shardingsphere/elasticjob/spring/core/setup/SpringProxyJobClassNameProvider.java
@@ -19,7 +19,7 @@
 
 import lombok.extern.slf4j.Slf4j;
 import org.apache.shardingsphere.elasticjob.api.ElasticJob;
-import org.apache.shardingsphere.elasticjob.engine.internal.setup.JobClassNameProvider;
+import org.apache.shardingsphere.elasticjob.kernel.internal.setup.JobClassNameProvider;
 import org.apache.shardingsphere.elasticjob.spring.core.util.AopTargetUtils;
 import org.springframework.aop.support.AopUtils;
 
diff --git a/spring/core/src/main/resources/META-INF/services/org.apache.shardingsphere.elasticjob.engine.internal.setup.JobClassNameProvider b/spring/core/src/main/resources/META-INF/services/org.apache.shardingsphere.elasticjob.kernel.internal.setup.JobClassNameProvider
similarity index 100%
rename from spring/core/src/main/resources/META-INF/services/org.apache.shardingsphere.elasticjob.engine.internal.setup.JobClassNameProvider
rename to spring/core/src/main/resources/META-INF/services/org.apache.shardingsphere.elasticjob.kernel.internal.setup.JobClassNameProvider
diff --git a/spring/core/src/test/java/org/apache/shardingsphere/elasticjob/spring/core/setup/JobClassNameProviderFactoryTest.java b/spring/core/src/test/java/org/apache/shardingsphere/elasticjob/spring/core/setup/JobClassNameProviderFactoryTest.java
index 2aab5fed07..aa073a278f 100644
--- a/spring/core/src/test/java/org/apache/shardingsphere/elasticjob/spring/core/setup/JobClassNameProviderFactoryTest.java
+++ b/spring/core/src/test/java/org/apache/shardingsphere/elasticjob/spring/core/setup/JobClassNameProviderFactoryTest.java
@@ -17,7 +17,7 @@
 
 package org.apache.shardingsphere.elasticjob.spring.core.setup;
 
-import org.apache.shardingsphere.elasticjob.engine.internal.setup.JobClassNameProviderFactory;
+import org.apache.shardingsphere.elasticjob.kernel.internal.setup.JobClassNameProviderFactory;
 import org.junit.jupiter.api.Test;
 
 import static org.hamcrest.CoreMatchers.instanceOf;
diff --git a/spring/namespace/src/main/java/org/apache/shardingsphere/elasticjob/spring/namespace/job/parser/JobBeanDefinitionParser.java b/spring/namespace/src/main/java/org/apache/shardingsphere/elasticjob/spring/namespace/job/parser/JobBeanDefinitionParser.java
index c7da27b158..335deb77de 100644
--- a/spring/namespace/src/main/java/org/apache/shardingsphere/elasticjob/spring/namespace/job/parser/JobBeanDefinitionParser.java
+++ b/spring/namespace/src/main/java/org/apache/shardingsphere/elasticjob/spring/namespace/job/parser/JobBeanDefinitionParser.java
@@ -19,8 +19,8 @@
 
 import com.google.common.base.Strings;
 import org.apache.shardingsphere.elasticjob.api.JobConfiguration;
-import org.apache.shardingsphere.elasticjob.engine.api.bootstrap.impl.OneOffJobBootstrap;
-import org.apache.shardingsphere.elasticjob.engine.api.bootstrap.impl.ScheduleJobBootstrap;
+import org.apache.shardingsphere.elasticjob.kernel.api.bootstrap.impl.OneOffJobBootstrap;
+import org.apache.shardingsphere.elasticjob.kernel.api.bootstrap.impl.ScheduleJobBootstrap;
 import org.apache.shardingsphere.elasticjob.spring.namespace.job.tag.JobBeanDefinitionTag;
 import org.springframework.beans.factory.config.BeanDefinition;
 import org.springframework.beans.factory.support.AbstractBeanDefinition;
diff --git a/spring/namespace/src/main/java/org/apache/shardingsphere/elasticjob/spring/namespace/snapshot/parser/SnapshotBeanDefinitionParser.java b/spring/namespace/src/main/java/org/apache/shardingsphere/elasticjob/spring/namespace/snapshot/parser/SnapshotBeanDefinitionParser.java
index bcc4efd400..a61504fa69 100644
--- a/spring/namespace/src/main/java/org/apache/shardingsphere/elasticjob/spring/namespace/snapshot/parser/SnapshotBeanDefinitionParser.java
+++ b/spring/namespace/src/main/java/org/apache/shardingsphere/elasticjob/spring/namespace/snapshot/parser/SnapshotBeanDefinitionParser.java
@@ -17,7 +17,7 @@
 
 package org.apache.shardingsphere.elasticjob.spring.namespace.snapshot.parser;
 
-import org.apache.shardingsphere.elasticjob.engine.internal.snapshot.SnapshotService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.snapshot.SnapshotService;
 import org.apache.shardingsphere.elasticjob.spring.namespace.snapshot.tag.SnapshotBeanDefinitionTag;
 import org.springframework.beans.factory.support.AbstractBeanDefinition;
 import org.springframework.beans.factory.support.BeanDefinitionBuilder;
diff --git a/spring/namespace/src/test/java/org/apache/shardingsphere/elasticjob/spring/namespace/fixture/listener/SimpleOnceListener.java b/spring/namespace/src/test/java/org/apache/shardingsphere/elasticjob/spring/namespace/fixture/listener/SimpleOnceListener.java
index 58a9b7cf8a..8336f7ecda 100644
--- a/spring/namespace/src/test/java/org/apache/shardingsphere/elasticjob/spring/namespace/fixture/listener/SimpleOnceListener.java
+++ b/spring/namespace/src/test/java/org/apache/shardingsphere/elasticjob/spring/namespace/fixture/listener/SimpleOnceListener.java
@@ -18,7 +18,7 @@
 package org.apache.shardingsphere.elasticjob.spring.namespace.fixture.listener;
 
 import org.apache.shardingsphere.elasticjob.infra.listener.ShardingContexts;
-import org.apache.shardingsphere.elasticjob.engine.api.listener.AbstractDistributeOnceElasticJobListener;
+import org.apache.shardingsphere.elasticjob.kernel.api.listener.AbstractDistributeOnceElasticJobListener;
 import org.apache.shardingsphere.elasticjob.spring.namespace.fixture.service.FooService;
 import org.springframework.beans.factory.annotation.Autowired;
 
diff --git a/spring/namespace/src/test/java/org/apache/shardingsphere/elasticjob/spring/namespace/job/AbstractJobSpringIntegrateTest.java b/spring/namespace/src/test/java/org/apache/shardingsphere/elasticjob/spring/namespace/job/AbstractJobSpringIntegrateTest.java
index 9278d7f688..0fe0e9f515 100644
--- a/spring/namespace/src/test/java/org/apache/shardingsphere/elasticjob/spring/namespace/job/AbstractJobSpringIntegrateTest.java
+++ b/spring/namespace/src/test/java/org/apache/shardingsphere/elasticjob/spring/namespace/job/AbstractJobSpringIntegrateTest.java
@@ -18,7 +18,7 @@
 package org.apache.shardingsphere.elasticjob.spring.namespace.job;
 
 import lombok.RequiredArgsConstructor;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
 import org.apache.shardingsphere.elasticjob.spring.namespace.fixture.job.DataflowElasticJob;
 import org.apache.shardingsphere.elasticjob.spring.namespace.fixture.job.FooSimpleElasticJob;
 import org.apache.shardingsphere.elasticjob.spring.namespace.test.AbstractZookeeperJUnitJupiterSpringContextTests;
diff --git a/spring/namespace/src/test/java/org/apache/shardingsphere/elasticjob/spring/namespace/job/AbstractOneOffJobSpringIntegrateTest.java b/spring/namespace/src/test/java/org/apache/shardingsphere/elasticjob/spring/namespace/job/AbstractOneOffJobSpringIntegrateTest.java
index 7ba171ff51..d690c6b49b 100644
--- a/spring/namespace/src/test/java/org/apache/shardingsphere/elasticjob/spring/namespace/job/AbstractOneOffJobSpringIntegrateTest.java
+++ b/spring/namespace/src/test/java/org/apache/shardingsphere/elasticjob/spring/namespace/job/AbstractOneOffJobSpringIntegrateTest.java
@@ -18,8 +18,8 @@
 package org.apache.shardingsphere.elasticjob.spring.namespace.job;
 
 import lombok.RequiredArgsConstructor;
-import org.apache.shardingsphere.elasticjob.engine.api.bootstrap.impl.OneOffJobBootstrap;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.api.bootstrap.impl.OneOffJobBootstrap;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
 import org.apache.shardingsphere.elasticjob.spring.namespace.fixture.job.DataflowElasticJob;
 import org.apache.shardingsphere.elasticjob.spring.namespace.fixture.job.FooSimpleElasticJob;
 import org.apache.shardingsphere.elasticjob.spring.namespace.test.AbstractZookeeperJUnitJupiterSpringContextTests;
diff --git a/spring/namespace/src/test/java/org/apache/shardingsphere/elasticjob/spring/namespace/job/JobSpringNamespaceWithRefTest.java b/spring/namespace/src/test/java/org/apache/shardingsphere/elasticjob/spring/namespace/job/JobSpringNamespaceWithRefTest.java
index 9d64011a41..3443e123f2 100644
--- a/spring/namespace/src/test/java/org/apache/shardingsphere/elasticjob/spring/namespace/job/JobSpringNamespaceWithRefTest.java
+++ b/spring/namespace/src/test/java/org/apache/shardingsphere/elasticjob/spring/namespace/job/JobSpringNamespaceWithRefTest.java
@@ -17,7 +17,7 @@
 
 package org.apache.shardingsphere.elasticjob.spring.namespace.job;
 
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
 import org.apache.shardingsphere.elasticjob.spring.namespace.fixture.job.ref.RefFooSimpleElasticJob;
 import org.apache.shardingsphere.elasticjob.spring.namespace.test.AbstractZookeeperJUnitJupiterSpringContextTests;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
diff --git a/spring/namespace/src/test/java/org/apache/shardingsphere/elasticjob/spring/namespace/job/JobSpringNamespaceWithTypeTest.java b/spring/namespace/src/test/java/org/apache/shardingsphere/elasticjob/spring/namespace/job/JobSpringNamespaceWithTypeTest.java
index 55a28af43c..e33cd687c7 100644
--- a/spring/namespace/src/test/java/org/apache/shardingsphere/elasticjob/spring/namespace/job/JobSpringNamespaceWithTypeTest.java
+++ b/spring/namespace/src/test/java/org/apache/shardingsphere/elasticjob/spring/namespace/job/JobSpringNamespaceWithTypeTest.java
@@ -17,7 +17,7 @@
 
 package org.apache.shardingsphere.elasticjob.spring.namespace.job;
 
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
 import org.apache.shardingsphere.elasticjob.spring.namespace.test.AbstractZookeeperJUnitJupiterSpringContextTests;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 import org.awaitility.Awaitility;
diff --git a/spring/namespace/src/test/java/org/apache/shardingsphere/elasticjob/spring/namespace/job/OneOffJobSpringNamespaceWithRefTest.java b/spring/namespace/src/test/java/org/apache/shardingsphere/elasticjob/spring/namespace/job/OneOffJobSpringNamespaceWithRefTest.java
index 36d5417fc5..c2e5c17d31 100644
--- a/spring/namespace/src/test/java/org/apache/shardingsphere/elasticjob/spring/namespace/job/OneOffJobSpringNamespaceWithRefTest.java
+++ b/spring/namespace/src/test/java/org/apache/shardingsphere/elasticjob/spring/namespace/job/OneOffJobSpringNamespaceWithRefTest.java
@@ -17,8 +17,8 @@
 
 package org.apache.shardingsphere.elasticjob.spring.namespace.job;
 
-import org.apache.shardingsphere.elasticjob.engine.api.bootstrap.impl.OneOffJobBootstrap;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.api.bootstrap.impl.OneOffJobBootstrap;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
 import org.apache.shardingsphere.elasticjob.spring.namespace.fixture.job.ref.RefFooSimpleElasticJob;
 import org.apache.shardingsphere.elasticjob.spring.namespace.test.AbstractZookeeperJUnitJupiterSpringContextTests;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
diff --git a/spring/namespace/src/test/java/org/apache/shardingsphere/elasticjob/spring/namespace/job/OneOffJobSpringNamespaceWithTypeTest.java b/spring/namespace/src/test/java/org/apache/shardingsphere/elasticjob/spring/namespace/job/OneOffJobSpringNamespaceWithTypeTest.java
index 153c52bdb0..784cbada79 100644
--- a/spring/namespace/src/test/java/org/apache/shardingsphere/elasticjob/spring/namespace/job/OneOffJobSpringNamespaceWithTypeTest.java
+++ b/spring/namespace/src/test/java/org/apache/shardingsphere/elasticjob/spring/namespace/job/OneOffJobSpringNamespaceWithTypeTest.java
@@ -17,8 +17,8 @@
 
 package org.apache.shardingsphere.elasticjob.spring.namespace.job;
 
-import org.apache.shardingsphere.elasticjob.engine.api.bootstrap.impl.OneOffJobBootstrap;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.api.bootstrap.impl.OneOffJobBootstrap;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
 import org.apache.shardingsphere.elasticjob.spring.namespace.test.AbstractZookeeperJUnitJupiterSpringContextTests;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
 import org.awaitility.Awaitility;
diff --git a/spring/namespace/src/test/java/org/apache/shardingsphere/elasticjob/spring/namespace/scanner/AbstractJobSpringIntegrateTest.java b/spring/namespace/src/test/java/org/apache/shardingsphere/elasticjob/spring/namespace/scanner/AbstractJobSpringIntegrateTest.java
index abe9ec754b..a28f60b4cc 100644
--- a/spring/namespace/src/test/java/org/apache/shardingsphere/elasticjob/spring/namespace/scanner/AbstractJobSpringIntegrateTest.java
+++ b/spring/namespace/src/test/java/org/apache/shardingsphere/elasticjob/spring/namespace/scanner/AbstractJobSpringIntegrateTest.java
@@ -18,7 +18,7 @@
 package org.apache.shardingsphere.elasticjob.spring.namespace.scanner;
 
 import lombok.RequiredArgsConstructor;
-import org.apache.shardingsphere.elasticjob.engine.internal.schedule.JobRegistry;
+import org.apache.shardingsphere.elasticjob.kernel.internal.schedule.JobRegistry;
 import org.apache.shardingsphere.elasticjob.spring.namespace.fixture.job.annotation.AnnotationSimpleJob;
 import org.apache.shardingsphere.elasticjob.spring.namespace.test.AbstractZookeeperJUnitJupiterSpringContextTests;
 import org.apache.shardingsphere.elasticjob.reg.base.CoordinatorRegistryCenter;
diff --git a/spring/namespace/src/test/java/org/apache/shardingsphere/elasticjob/spring/namespace/snapshot/SnapshotSpringNamespaceDisableTest.java b/spring/namespace/src/test/java/org/apache/shardingsphere/elasticjob/spring/namespace/snapshot/SnapshotSpringNamespaceDisableTest.java
index 38d79cea6b..126a792343 100644
--- a/spring/namespace/src/test/java/org/apache/shardingsphere/elasticjob/spring/namespace/snapshot/SnapshotSpringNamespaceDisableTest.java
+++ b/spring/namespace/src/test/java/org/apache/shardingsphere/elasticjob/spring/namespace/snapshot/SnapshotSpringNamespaceDisableTest.java
@@ -17,7 +17,7 @@
 
 package org.apache.shardingsphere.elasticjob.spring.namespace.snapshot;
 
-import org.apache.shardingsphere.elasticjob.engine.internal.snapshot.SnapshotService;
+import org.apache.shardingsphere.elasticjob.kernel.internal.snapshot.SnapshotService;
 import org.apache.shardingsphere.elasticjob.spring.namespace.test.AbstractZookeeperJUnitJupiterSpringContextTests;
 import org.junit.jupiter.api.Test;
 import org.springframework.test.context.ContextConfiguration;