HarmonyOS 自定义弹窗封装后不显示

import { ConfimPromptDialog } from '../../dialog/ConfimPromptDialog'  
export class BaseAlert {  
  static showAlert(content: string, leftText?: string, rightEvent?: () => void) {  
    let alert: BaseAlert = new BaseAlert()  
    alert.show(content, leftText, rightEvent)  
  }  
  show(content: string, leftText?: string, rightEvent?: () => void) {  
    let dialogController: CustomDialogController = new CustomDialogController({  
      builder: ConfimPromptDialog({  
        confirm: () => {  
          if (rightEvent) {  
            rightEvent()  
          }  
        },  
        info: content,  
        title: $r('app.string.dialoa_title_andun_tips'),  
        leftText: '取消',  
        leftTextColor: $r('app.color.color_FF808080'),  
        rightText: $r('app.string.determine'),  
        rightTextColor: $r('app.color.color_FF3FA0EF')  
      }),  
      autoCancel: false, //点击外部区域不允许消失  
      alignment: DialogAlignment.Center,  
      customStyle: true//是否使用自定义样式  
    })  
    console.info('Safe', '到这里了')  
    dialogController.open()  
  }  
}