diff --git a/zh-cn/application-dev/reference/apis/js-apis-app-ability-shareExtensionAbility.md b/zh-cn/application-dev/reference/apis/js-apis-app-ability-shareExtensionAbility.md
index 3421354b581404df6cb7a504576962f8f8656355..e428955402f6aa0203cdf80ce11edd5f6b7c14d3 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-app-ability-shareExtensionAbility.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-app-ability-shareExtensionAbility.md
@@ -100,7 +100,7 @@ ShareExtensionAbility生命周期回调，在销毁时回调，执行资源清
 
 3. ShareExtAbility.ts文件中，增加导入ShareExtensionAbility的依赖包，自定义类继承ShareExtensionAbility并实现生命周期回调。
 
-  ```ts
+   ```ts
    import ShareExtensionAbility from '@ohos.app.ability.ShareExtensionAbility';
    const TAG: string = "[ShareExtAbility]";