HarmonyOS 如何动态添加TabContent以及自定义tabbarUI刷新问题？

import { UserInfo } from './UserInfo'  
import { router } from '@kit.ArkUI';  
  
//写在ability更合适  
AppStorage.setOrCreate('userInfo', new UserInfo("name1"));  
  
@Entry  
@Component  
struct TabsExample {  
  @State fontColor: string = '#182431'  
  @State selectedFontColor: string = '#007DFF'  
  @State currentIndex: number = 0  
  private controller: TabsController = new TabsController()  
  @State userInfo: SubscribedAbstractProperty<UserInfo> = AppStorage.link('userInfo');  
  onPageShow(): void {  
    this.userInfo = AppStorage.link('userInfo')  
  }  
  @Builder  
  tabBuilder(index: number, name: string) {  
    Column() {  
      Text(name)  
        .fontColor(this.currentIndex === index ? this.selectedFontColor : this.fontColor)  
        .fontSize(16)  
        .fontWeight(this.currentIndex === index ? 500 : 400)  
        .lineHeight(22)  
        .margin({ top: 17, bottom: 7 })  
      Divider()  
        .strokeWidth(2)  
        .color('#007DFF')  
        .opacity(this.currentIndex === index ? 1 : 0)  
    }.width('100%')  
  }  
  build() {  
    Column() {  
      Tabs({ barPosition: BarPosition.Start, index: this.currentIndex, controller: this.controller }) {  
        TabContent() {  
          Column().width('100%').height('100%').backgroundColor('#00CB87')  
        }.tabBar(this.tabBuilder(0, 'green'))  
        TabContent() {  
          Column().width('100%').height('100%').backgroundColor('#007DFF')  
        }.tabBar(this.tabBuilder(1, 'blue'))  
        TabContent() {  
          Column().width('100%').height('100%').backgroundColor('#FFBF00')  
        }.tabBar(this.tabBuilder(2, 'yellow'))  
        TabContent() {  
          Info({ userInfo: this.userInfo.get() })  
            .onClick(() => {  
              router.pushUrl({  
                url: 'pages/login'  
              })  
            })  
        }.tabBar(this.tabBuilder(3, 'pink'))  
      }  
      .vertical(false)  
      .barMode(BarMode.Fixed)  
      .barWidth(360)  
      .barHeight(56)  
      .animationDuration(400)  
      .onChange((index: number) => {  
        this.currentIndex = index  
      })  
      .width(360)  
      .height(296)  
      .margin({ top: 52 })  
      .backgroundColor('#F1F3F5')  
    }.width('100%')  
  }  
}  
@Component  
struct Info {  
  @Prop userInfo: UserInfo  
  build() {  
    Text(this.userInfo.name)  
  }  
}
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import { UserInfo } from './UserInfo';  
AppStorage.setOrCreate('name', "nameundefined");  
@Entry  
@Component  
struct Login {  
  @State  
  userInfo: SubscribedAbstractProperty<UserInfo> = AppStorage.link('userInfo');  
  build() {  
    Column() {  
      Text(this.userInfo.get().name)  
      Button("点击按钮登录").onClick(() => {  
        this.userInfo.set(new UserInfo("nameY"))  
      })  
    }.width('100%')  
  }  
}
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@Observed  
export class UserInfo {  
  name: string  
  
  constructor(name: string) {  
    this.name = name  
  }  
}
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