HarmonyOS 半模态转场弹层的圆角没有自定义大小的api

@Entry
@Component
struct Index {
  @State isShow: boolean = false
  @State isShow2: boolean = false
  @State sheetHeight: number = 300;

  @Builder
  myBuilder() {
    Column() {
      Button("change height")
        .margin(10)
        .fontSize(20)
        .onClick(() => {
          this.sheetHeight = 500;
        })

      Button("Set Illegal height")
        .margin(10)
        .fontSize(20)
        .onClick(() => {
          this.sheetHeight = -1;
        })

      Button("close modal 1")
        .margin(10)
        .fontSize(20)
        .onClick(() => {
          this.isShow = false;
        })
    }
    .width('100%')
    .height('100%')
    //border颜色和backgroundColor一致
    .backgroundColor("#36D")
    //修改圆角大小
    .border({ width: 20, color: "#36D", radius: "200px" })
  }

  build() {
    Column() {
      Button("transition modal 1")
        .onClick(() => {
          this.isShow = true
        })
        .fontSize(20)
        .margin(10)
        .bindSheet($$this.isShow, this.myBuilder(), {
          height: this.sheetHeight,
          //把maskColor和backgroundColor设置一致
          maskColor: Color.Red,
          backgroundColor: Color.Red,
          onAppear: () => {
            console.log("BindSheet onAppear.")
          },
          onDisappear: () => {
            console.log("BindSheet onDisappear.")
          }
        })
    }.justifyContent(FlexAlign.Center).width('100%').height('100%')
  }
}