!6816 翻译完成 6777：VOD修改

Merge pull request !6816 from ester.zhou/TR-6777

en/application-dev/ui/ts-application-states-appstorage.md

@@ -62,7 +62,7 @@ struct ComponentA {
   @StorageProp('languageCode') lang: string = 'en'
   private label: string = 'count'
 
-  private aboutToAppear() {
+  aboutToAppear() {
     this.label = (this.lang === 'en') ? 'Number' : 'Count'
   }