HarmonyOS 全局弹窗问题

build() {  
  Row() {  
    Column({ space: 20 }) {  
      Button("Open Tip promptActionDialog")  
        .onClick(() => {  
          this.contentNode = new ComponentContent(this.getUIContext(), wrapBuilder(buildText),  
            new TipParams(this.message, this.ok, this.cancel));  
          try {  
            this.promptAction?.openCustomDialog(this.contentNode, {  
              alignment: DialogAlignment.Center,  
              autoCancel: true, // 点击遮障层时，是否关闭弹窗，true表示关闭弹窗。false表示不关闭弹窗。默认值：true  
            });  
          } catch (error) {  
            let message = (error as BusinessError).message;  
            let code = (error as BusinessError).code;  
            console.error(`OpenCustomDialog args error code is ${code}, message is ${message}`);  
          }  
          ;  
        })  
    }  
    .width('100%')  
    .height('100%')  
  }  
  .height('100%')  
}  
class TipParams {  
  text: string = ""  
  ok: () => void  
  cancel: () => void  
  constructor(text: string, ok: () => void, cancel: () => void) {  
    this.text = text;  
    this.ok = ok;  
    this.cancel = cancel;  
  }  
}