update zh-cn/application-dev/quick-start/arkts-localstorage.md.

Signed-off-by: N189******51 <lipeicheng5@huawei.com>

zh-cn/application-dev/quick-start/arkts-localstorage.md

@@ -191,12 +191,12 @@ link1.set(49); // two-way sync: link1.get() == link2.get() == prop.get() == 49
 - \@LocalStorageLink绑定LocalStorage对给定的属性，建立双向数据同步。
 
   ```ts
-// 创建新实例并使用给定对象初始化
-let storage = new LocalStorage();
-storage['PropA'] = 47;
+  // 创建新实例并使用给定对象初始化
+  let storage = new LocalStorage();
+  storage['PropA'] = 47;
 
-@Component
-struct Child {
+  @Component
+  struct Child {
     // @LocalStorageLink变量装饰器与LocalStorage中的'PropA'属性建立双向绑定
     @LocalStorageLink('PropA') storLink2: number = 1;
 
@@ -205,11 +205,11 @@ struct Child {
         // 更改将同步至LocalStorage中的'PropA'以及Parent.storLink1
         .onClick(() => this.storLink2 += 1)
     }
-}
-// 使LocalStorage可从@Component组件访问
-@Entry(storage)
-@Component
-struct CompA {
+  }
+  // 使LocalStorage可从@Component组件访问
+  @Entry(storage)
+  @Component
+  struct CompA {
     // @LocalStorageLink变量装饰器与LocalStorage中的'PropA'属性建立双向绑定
     @LocalStorageLink('PropA') storLink1: number = 1;
 
@@ -221,7 +221,7 @@ struct CompA {
         Child()
       }
     }
-}
+  }
   ```
 
 
@@ -234,14 +234,14 @@ struct CompA {
 - Child组件中，Text绑定的storProp2 依旧显示47。
 
   ```ts
-// 创建新实例并使用给定对象初始化
-let storage = new LocalStorage();
-storage['PropA'] = 47;
+  // 创建新实例并使用给定对象初始化
+  let storage = new LocalStorage();
+  storage['PropA'] = 47;
 
-// 使LocalStorage可从@Component组件访问
-@Entry(storage)
-@Component
-struct CompA {
+  // 使LocalStorage可从@Component组件访问
+  @Entry(storage)
+  @Component
+  struct CompA {
     // @LocalStorageProp变量装饰器与LocalStorage中的'PropA'属性建立单向绑定
     @LocalStorageProp('PropA') storProp1: number = 1;
 
@@ -253,10 +253,10 @@ struct CompA {
         Child()
       }
     }
-}
+  }
 
-@Component
-struct Child {
+  @Component
+  struct Child {
     // @LocalStorageProp变量装饰器与LocalStorage中的'PropA'属性建立单向绑定
     @LocalStorageProp('PropA') storProp2: number = 2;
 
@@ -266,7 +266,7 @@ struct Child {
         Text(`Parent from LocalStorage ${this.storProp2}`)
       }
     }
-}
+  }
   ```