diff --git a/zh-cn/application-dev/ui/ui-ts-local-storage.md b/zh-cn/application-dev/ui/ui-ts-local-storage.md
index 14123f748b1e4313103628450086f026c15ab8a0..02e927cb539e1ff478bb1942b9aa0a520db7dd9a 100644
--- a/zh-cn/application-dev/ui/ui-ts-local-storage.md
+++ b/zh-cn/application-dev/ui/ui-ts-local-storage.md
@@ -278,7 +278,7 @@ clear(): boolean
 
 ### 示例1（在一个Ability创建的LocalStorage)
 
-```javascript
+```ts
 import Ability from '@ohos.application.Ability'
 export default class MainAbility extends Ability {    
   storage : LocalStorage