HarmonyOS LazyForEach修改数据源不刷新问题

@Entry  
@Component  
struct Index {  
  @State tabArray: Array<number> = new Array();  
  @State focusIndex: number = 0;  
  private controller: TabsController = new TabsController();  
  
  aboutToAppear(): void {  
    this.tabArray = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]  
  }  
  build() {  
    Column() {  
      Button("修改数据源")  
        .onClick(() => {  
          // this.tabArray.pushArrayData([0, 1, 2, 3])  
          this.tabArray =[0, 1, 2, 3]  
        })  
        .margin(50)  
      // 使用自定义页签组件  
      Scroll() {  
        Row() {  
            ForEach(this.tabArray, (item: number, index: number) => {  
            Row({ space: 20 }) {  
              Text('页签' + item)  
                .fontWeight(index === this.focusIndex ? FontWeight.Bold : FontWeight.Normal)  
            }  
            .padding({ left: 10, right: 10 })  
            .onClick(() => {  
              this.controller.changeIndex(index);  
              this.focusIndex = index;  
            })  
          }, (item: number) => {  
            return item.toString()  
          })  
        }  
      }  
      .align(Alignment.Start)  
      .scrollable(ScrollDirection.Horizontal)  
      .scrollBar(BarState.Off)  
      .width('100%')  
      //tabs组件把tabbar隐藏  
      Tabs({ barPosition: BarPosition.Start, controller: this.controller }) {  
        ForEach(this.tabArray, (item: number, index: number) => {  
          TabContent() {  
            Text('我是页面 ' + item + " 的内容")  
              .fontSize(30)  
          }  
        }, (item: number) => {  
          return item.toString()  
        })  
      }.barHeight(0)  
      .onChange((index: number) => {  
        this.focusIndex = index;  
      })  
    }  
    .height('100%')  
    .width('100%')  
  }  
}
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