diff --git a/apiserver/paasng/paasng/extensions/declarative/application/fields.py b/apiserver/paasng/paasng/extensions/declarative/application/fields.py
index f988c5c503..067ca1bc10 100644
--- a/apiserver/paasng/paasng/extensions/declarative/application/fields.py
+++ b/apiserver/paasng/paasng/extensions/declarative/application/fields.py
@@ -18,10 +18,10 @@
 """
 import logging
 
-from paasng.extensions.declarative.application.constants import APP_NAME_FIELD
 from paasng.extensions.declarative.application.validations import ApplicationDesc
 from paasng.extensions.declarative.exceptions import DescriptionValidationError
 from paasng.platform.applications.models import Application
+from paasng.platform.applications.signals import prepare_change_application_name
 
 logger = logging.getLogger(__name__)
 
@@ -38,14 +38,25 @@ def handle_desc(self, desc: ApplicationDesc):
 
 class AppNameField(AppField):
     def handle_desc(self, desc: ApplicationDesc):
+        update_field_dict = {}
+        app_code = self.application.name.code
         if self.application.name != desc.name_zh_cn:
-            raise DescriptionValidationError({APP_NAME_FIELD: '该字段不允许被修改'})
+            # 修改中文名
+            logger.warning("应用<%s> 的英文名将从 '%s' 修改成 '%s'", app_code, self.application.name, desc.name_zh_cn)
+            update_field_dict["name"] = desc.name_zh_cn
+            self.application.name = desc.name_zh_cn
+            self.application.save(update_fields=["name", "updated"])
+
         if self.application.name_en != desc.name_en:
-            # 允许修改英文名
-            logger.warning("应用<%s> 的英文名将从 '%s' 修改成 '%s'", desc.name_zh_cn, self.application.name_en, desc.name_en)
+            # 修改英文名
+            logger.warning("应用<%s> 的英文名将从 '%s' 修改成 '%s'", app_code, self.application.name_en, desc.name_en)
+            update_field_dict["name_en"] = desc.name_en
             self.application.name_en = desc.name_en
             self.application.save(update_fields=["name_en", "updated"])
 
+        # 应用名称修改后需要同步给桌面
+        prepare_change_application_name.send(sender="", code=app_code, **update_field_dict)
+
 
 class AppRegionField(AppField):
     def handle_desc(self, desc: ApplicationDesc):
diff --git a/apiserver/paasng/tests/extensions/declarative/test_application.py b/apiserver/paasng/tests/extensions/declarative/test_application.py
index c11ef17937..17a5e3198a 100644
--- a/apiserver/paasng/tests/extensions/declarative/test_application.py
+++ b/apiserver/paasng/tests/extensions/declarative/test_application.py
@@ -198,13 +198,17 @@ def test_region_modified(self, bk_user, existed_app):
 
     def test_name_modified(self, bk_user, existed_app):
         # Use new name
+        new_name = existed_app.name + "2"
+        new_name_en = existed_app.name + "en"
         app_json = make_app_desc(existed_app.code)
-        app_json["bk_app_name"] = existed_app.name + '2'
+        app_json["bk_app_name"] = new_name
+        app_json["bk_app_name_en"] = new_name_en
 
         controller = AppDeclarativeController(bk_user)
-        with pytest.raises(DescriptionValidationError) as exc_info:
-            controller.perform_action(get_app_description(app_json))
-        assert 'bk_app_name' in exc_info.value.detail
+        controller.perform_action(get_app_description(app_json))
+        product = Product.objects.get(code=existed_app.code)
+        assert product.name == new_name
+        assert product.name_en == new_name_en
 
     def test_normal(self, bk_user, existed_app):
         app_json = make_app_desc(existed_app.code)