diff --git a/src/Gateways/NowcnGateway.php b/src/Gateways/NowcnGateway.php
index 1a41d8a..0638ace 100644
--- a/src/Gateways/NowcnGateway.php
+++ b/src/Gateways/NowcnGateway.php
@@ -21,7 +21,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
         if (!$config->get('key')) {
             throw new GatewayErrorException("key not found", -2, []);
         }
-        $params=[
+        $params = [
             'mobile' => $to->getNumber(),
             'content' => $message->getContent($this),
             'userId' => $config->get('key'),
@@ -35,4 +35,4 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
         }
         return $result;
     }
-}
\ No newline at end of file
+}
diff --git a/src/Gateways/SubmailGateway.php b/src/Gateways/SubmailGateway.php
index 7d4678f..d496175 100644
--- a/src/Gateways/SubmailGateway.php
+++ b/src/Gateways/SubmailGateway.php
@@ -32,8 +32,8 @@ class SubmailGateway extends Gateway
 
     /**
      * @param \Overtrue\EasySms\Contracts\PhoneNumberInterface $to
-     * @param \Overtrue\EasySms\Contracts\MessageInterface     $message
-     * @param \Overtrue\EasySms\Support\Config                 $config
+     * @param \Overtrue\EasySms\Contracts\MessageInterface $message
+     * @param \Overtrue\EasySms\Support\Config $config
      *
      * @return array
      *
@@ -41,17 +41,29 @@ class SubmailGateway extends Gateway
      */
     public function send(PhoneNumberInterface $to, MessageInterface $message, Config $config)
     {
-        $endpoint = $this->buildEndpoint($this->inChineseMainland($to) ? 'message/xsend' : 'internationalsms/xsend');
-
-        $data = $message->getData($this);
+        $isContent = !!$message->getContent($this);
+        if ($isContent) {
+            $endpoint = $this->buildEndpoint($this->inChineseMainland($to) ? 'sms/send' : 'internationalsms/send');
+            $params = [
+                'appid' => $config->get('app_id'),
+                'signature' => $config->get('app_key'),
+                'content' => $message->getContent($this),
+                'to' => $to->getUniversalNumber(),
+            ];
+        } else {
+            $endpoint = $this->buildEndpoint($this->inChineseMainland($to) ? 'message/xsend' : 'internationalsms/xsend');
+            $data = $message->getData($this);
+            $template_code = $message->getTemplate($this);
+            $params = [
+                'appid' => $config->get('app_id'),
+                'signature' => $config->get('app_key'),
+                'project' => !empty($template_code) ? $template_code : (!empty($data['project']) ? $data['project'] : $config->get('project')),
+                'to' => $to->getUniversalNumber(),
+                'vars' => json_encode($data, JSON_FORCE_OBJECT),
+            ];
+        }
 
-        $result = $this->post($endpoint, [
-            'appid' => $config->get('app_id'),
-            'signature' => $config->get('app_key'),
-            'project' => !empty($data['project']) ? $data['project'] : $config->get('project'),
-            'to' => $to->getUniversalNumber(),
-            'vars' => json_encode($data, JSON_FORCE_OBJECT),
-        ]);
+        $result = $this->post($endpoint, $params);
 
         if ('success' != $result['status']) {
             throw new GatewayErrorException($result['msg'], $result['code'], $result);
diff --git a/src/Gateways/YunxinGateway.php b/src/Gateways/YunxinGateway.php
index 8db2784..dd765fe 100755
--- a/src/Gateways/YunxinGateway.php
+++ b/src/Gateways/YunxinGateway.php
@@ -183,6 +183,5 @@ public function buildTemplateParams(PhoneNumberInterface $to, MessageInterface $
             'params'=>array_key_exists('params',$data) ? json_encode($data['params']) : '',
             'needUp'=>$config->get('need_up', false)
         ];
-
     }
 }
diff --git a/tests/Gateways/NowcnGatewaysTest.php b/tests/Gateways/NowcnGatewaysTest.php
index 7f20809..85e2cfb 100644
--- a/tests/Gateways/NowcnGatewaysTest.php
+++ b/tests/Gateways/NowcnGatewaysTest.php
@@ -47,6 +47,5 @@ public function testSend()
         $this->expectExceptionCode(-4);
         $this->expectExceptionMessage('authorize failed');
         $gateway->send(new PhoneNumber(18888888888), $message, $config);
-
     }
-}
\ No newline at end of file
+}
diff --git a/tests/Gateways/SubmailGatewayTest.php b/tests/Gateways/SubmailGatewayTest.php
index 692392a..e50cfbd 100644
--- a/tests/Gateways/SubmailGatewayTest.php
+++ b/tests/Gateways/SubmailGatewayTest.php
@@ -63,6 +63,47 @@ public function testSend()
         $gateway->send(new PhoneNumber(18188888888), $message, $config);
     }
 
+    public function testContentSend()
+    {
+        $config = [
+            'app_id' => 'mock-app-id',
+            'app_key' => 'mock-app-key',
+        ];
+        $gateway = \Mockery::mock(SubmailGateway::class.'[post]', [$config])->shouldAllowMockingProtectedMethods();
+
+        $gateway->shouldReceive('post')->with('https://api.mysubmail.com/sms/send.json', [
+            'appid' => 'mock-app-id',
+            'signature' => 'mock-app-key',
+            'to' => new PhoneNumber(18188888888),
+            'content' => '【easysms】 mock-app-content'
+        ])->andReturn([
+            'status' => 'success',
+            'send_id' => '093c0a7df143c087d6cba9cdf0cf3738',
+            'fee' => 1,
+            'sms_credits' => 14197,
+        ], [
+            'status' => 'error',
+            'code' => 100,
+            'msg' => 'mock-err-msg',
+        ])->times(2);
+
+        $message = new Message(['content' => '【easysms】 mock-app-content']);
+        $config = new Config($config);
+
+        $this->assertSame([
+            'status' => 'success',
+            'send_id' => '093c0a7df143c087d6cba9cdf0cf3738',
+            'fee' => 1,
+            'sms_credits' => 14197,
+        ], $gateway->send(new PhoneNumber(18188888888), $message, $config));
+
+        $this->expectException(GatewayErrorException::class);
+        $this->expectExceptionCode(100);
+        $this->expectExceptionMessage('mock-err-msg');
+
+        $gateway->send(new PhoneNumber(18188888888), $message, $config);
+    }
+
     public function testProject()
     {
         $config = [
diff --git a/tests/Gateways/UcloudGatewayTest.php b/tests/Gateways/UcloudGatewayTest.php
index ff684ed..2c00e81 100644
--- a/tests/Gateways/UcloudGatewayTest.php
+++ b/tests/Gateways/UcloudGatewayTest.php
@@ -108,7 +108,7 @@ public function testSignContent()
             'data' => [
                 'code' => '', // 如果是多个参数可以用数组
                 'mobiles' => '', //同时发送多个手机也可以用数组来,[1111111,11111]
-                'sig_content'=> $dataSigContent
+                'sig_content' => $dataSigContent
             ],
         ]);
         $config = new Config($config);