HarmonyOS 线程通信 事件循环问题

export class Tester  { 
  public u:string=''; 
  public  startTester() { 
    emitter.once("new_model", (eventData) => { 
      this.u=eventData.data!.new_model.mode; 
      Logger.d(TAG,"监听:"+eventData.data!.new_model.mode); 
    }); 
    let task: taskpool.Task = new taskpool.Task(startDetectRP2PWithSessionModel,info); 
    taskpool.execute(task) 
    Logger.d(TAG,"结束"); 
  } 
  @Concurrent 
  function startDetectRP2PWithSessionModel(model: SessionModel){ 
    emitter.emit("new_model", { data: { "new_model": new_model } }); 
  }
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