!10651 LocalStorage文档add LoaclStorageProp示例，以及接口说明修改

Merge pull request !10651 from Bo Jiang/master

zh-cn/application-dev/quick-start/arkts-state-mgmt-application-level.md

@@ -143,12 +143,28 @@ struct LocalStorageComponent {
   @LocalStorageLink("storageSimpleProp") simpleVarName: number = 0
   build() {
     Column(){
-      Text(this.simpleVarName.toString())
+      Button(`LocalStorageLink: ${ this.simpleVarName.toString() }`)
         .onClick(()=>{
           this.simpleVarName +=1;
         })
       Text(JSON.stringify(this.simpleVarName))
         .fontSize(50)
+      LocalStorageComponentProp();
+    }
+    .height(500)
+  }
+}
+@Component
+struct LocalStorageComponentProp {
+  @LocalStorageProp("storageSimpleProp") simpleVarName: number = 0
+  build() {
+    Column() {
+      Button(`LocalStorageProp: ${ this.simpleVarName.toString() }`)
+        .onClick(() => {
+          this.simpleVarName += 1;
+        })
+      Text(JSON.stringify(this.simpleVarName))
+        .fontSize(50)
     }
     .height(500)
   }

zh-cn/application-dev/reference/arkui-ts/ts-state-management.md

@@ -401,7 +401,7 @@ setOrCreate\<T>(propName: string, newValue: T): boolean
 
 | 类型    | 描述                                                         |
 | ------- | ------------------------------------------------------------ |
-| boolean | 如果已存在与给定键名字相同的属性，更新其值且返回true。如果不存在具有给定名称的属性，在LocalStorage中创建具有给定默认值的新属性，默认值必须是T类型。不允许undefined 或 null 返回true。 |
+| boolean | 如果已存在与给定键名字相同的属性，更新其值且返回true。如果不存在具有给定名称的属性，在LocalStorage中创建具有给定默认值的新属性，默认值必须是T类型，不允许undefined 或 null 。 |
 
 ```ts
 this.storage = new LocalStorage();