HarmonyOS 鸿蒙Next 调用半模态会有两个弹窗

@Entry
@Component
export struct second {
  @State currentIdx: number = 0
  arr: number[] = [1, 2, 3, 4]
  @State isHoverText: Array<boolean> = new Array<boolean>(this.arr.length).fill(false)
  @Builder myBuilder() {
    Column() {
      Button('content1')
      .margin(10)
        .fontSize(20)
      Button("content2")
        .margin(10)
        .fontSize(20)
        .onClick(()=>{
          //根据保存的currentIdx  自定义按钮关闭
          this.isHoverText[this.currentIdx] = false;
        })
    }
    .width('100%')
  }
  build() {
    Column() {
      ForEach(this.arr, (item: number, idx: number) => {
        Row(){
          Text('银行卡')
          Button('立减14元')
          .onClick(() => {
            this.currentIdx=idx
            this.isHoverText[idx] = true;
          })
            .fontSize(15)
            .margin(10)
            .bindSheet(this.isHoverText[idx], this.myBuilder(), {
              backgroundColor:Color.Gray,
              height: SheetSize.MEDIUM,
              showClose: false,//不显示默认关闭按钮
              onDisappear: () => {
                this.isHoverText[idx] = false;
              }
            })
          Checkbox()
        }.border({width: 1, radius: 5})
      })
    }
    .justifyContent(FlexAlign.Start)
    .width('100%')
    .height('100%')
  }
}