HarmonyOS 自定义弹窗 (CustomDialog) 和软键盘间距16vp能否为0

@Entry  
@Component  
struct Main4 {  
  @State isShow: boolean = false  
  @Builder  
  myBuilder() {  
    Column() {  
      Button("关闭半模态").onClick(()=>{  
        this.isShow = false  
      })  
      TextInput()  
    }  
  
    .expandSafeArea([SafeAreaType.SYSTEM,SafeAreaType.KEYBOARD], [SafeAreaEdge.TOP, SafeAreaEdge.BOTTOM])  
    .borderRadius(10)  
    .width("100%")  
  }  
  build() {  
    Column() {  
      Button('click me 打开半模态')  
        .onClick(() => {  
          this.isShow = !this.isShow  
        })  
    }  
    .expandSafeArea([SafeAreaType.SYSTEM,SafeAreaType.KEYBOARD], [SafeAreaEdge.TOP, SafeAreaEdge.BOTTOM])  
    .bindSheet($$this.isShow, this.myBuilder(), { height: 400})  
    .justifyContent(FlexAlign.End)  
    .width('100%')  
    .height('100%')  
  }  
}