HarmonyOS Tabs组件，tabBar宽度及tabContent宽度问题

@Entry  
@Component  
struct ListExample {  
  private arr: number[] = [0]  
  @State totalScrollOffset: number = 0;  
  private tabArray: number[] = [0, 1, 2, 3, 4, 5, 6]  
  @State focusIndex: number = 0;  
  private controller: TabsController = new TabsController()  
  @State showIcon: boolean = false  
  
  @Builder  
  myScroll() {  
    Row() {  
      if (this.showIcon) {  
        Image($r('app.media.app_icon'))// TabBar 左侧的元素  
          .width(50)  
          .margin({ right: 20 })  
      }  
      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: '10fp', right: '10fp' })  
            .onClick(() => {  
              this.controller.changeIndex(index)  
              this.focusIndex = index  
            })  
          })  
        }  
      }  
      .align(Alignment.Start)  
      .scrollable(ScrollDirection.Horizontal)  
      .scrollBar(BarState.Off)  
    }  
    .width('100%')  
    .height(50)  
    .backgroundColor(Color.White)  
  }  
  build() {  
    Column() {  
      List({ space: 20, initialIndex: 0 }) {  
        ListItem() {  
          Text('header')  
            .width('100%')  
            .height(100)  
            .fontSize(16)  
            .textAlign(TextAlign.Center)  
            .borderRadius(10)  
            .backgroundColor(0xFFFFFF)  
        }  
        ListItemGroup({ header: this.myScroll() }) {  
          ListItem() {  
            //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)  
                }  
                .backgroundColor(Color.Orange)  
                .width('100%')  
              })  
            }  
            .barHeight(20)  
          }  
        }  
      }  
      .sticky(StickyStyle.Header)  
      .listDirection(Axis.Vertical) // 排列方向  
      .scrollBar(BarState.Off)  
      .edgeEffect(EdgeEffect.None)  
      .onScrollIndex((firstIndex: number, lastIndex: number, centerIndex: number) => {  
        if (firstIndex === 1) {  
          this.showIcon = true  
        } else {  
          this.showIcon = false  
        }  
        console.info('first' + firstIndex)  
        console.info('last' + lastIndex)  
        console.info('center' + centerIndex)  
      })  
      .width('95%')  
    }  
    .width('100%')  
    .height('100%')  
    .backgroundColor(0xDCDCDC)  
    .padding({ top: 5 })  
  
  }  
}