HarmonyOS TabContent中子组件使用expandSafeArea无效

// xxx.ets  
@Entry  
@Component  
struct TabContentExample {  
  @State fontColor: string = '#182431'  
  @State selectedFontColor: string = '#007DFF'  
  @State currentIndex: number = 0  
  private controller: TabsController = new TabsController()  
  
  @Builder tabBuilder(index: number) {  
    Column() {  
      Text(`Tab${index + 1}`)  
        .fontColor(this.currentIndex === index ? this.selectedFontColor : this.fontColor)  
        .fontSize(10)  
        .fontWeight(500)  
    }.width('100%')  
  }  
  
  build() {  
    Column() {  
      Tabs({ barPosition: BarPosition.End, controller: this.controller }) {  
        TabContent() {  
          Column() {  
            Text('Tab1')  
              .fontSize(36)  
              .fontColor('#182431')  
              .fontWeight(500)  
              .opacity(0.4)  
              .margin({ top: 30, bottom: 56.5 })  
            Divider()  
              .strokeWidth(0.5)  
              .color('#182431')  
              .opacity(0.05)  
          }.width('100%')  
        }.backgroundColor('#4680ff').expandSafeArea([SafeAreaType.SYSTEM], [SafeAreaEdge.TOP]).tabBar(this.tabBuilder(0))  
        TabContent() {  
          Column() {  
            Text('Tab2')  
              .fontSize(36)  
              .fontColor('#182431')  
              .fontWeight(500)  
              .opacity(0.4)  
              .margin({ top: 30, bottom: 56.5 })  
            Divider()  
              .strokeWidth(0.5)  
              .color('#182431')  
              .opacity(0.05)  
          }.width('100%')  
        }.tabBar(this.tabBuilder(1))  
      }  
      .vertical(false).clip(false)  
      .onChange((index: number) => {  
        this.currentIndex = index  
      })  
      .width('100%')  
    }.width('100%')  
  }  
}