HarmonyOS 鸿蒙Next ide版本 5.0.3.100 以上 @ohos/liveeventbus问题

/**
     * 注册一个Observer，生命周期感知，自动取消订阅
     *
     * @param owner    LifecycleOwner
     * @param observer 观察者
     */
     observe( owner:LifecycleOwner,  observer: Observer<T>):void;
```
在 LifecycleOwner.ts 文件中 
```
export interface LifecycleOwner {
  /**
     * Returns the Lifecycle of the provider.
     *
     * @return The lifecycle of the provider.
     */
  getLifecycle(): Lifecycle
}
export default LifecycleOwner

import { LiveEventBus } from '[@ohos](/user/ohos)/liveeventbus';
import { MState } from '[@ohos](/user/ohos)/liveeventbus';
import { Lifecycle } from '[@ohos](/user/ohos)/liveeventbus';
const KEY_TEST_CLOSE_ALL_PAGE = "key_test_close_all_page";
@Entry({ routeName: "EditorPage" })
@Component
export struct EditorPage {
  @State message: string = 'Hello World';
  private mLifecycle?: Lifecycle;
  getLifecycle(): Lifecycle{
    if(this.mLifecycle){
      return this.mLifecycle
    }
    return new Lifecycle(MState.STARTED)
  }
  aboutToAppear() {
    //创建生命周期感知对象
    this.mLifecycle = new Lifecycle(MState.STARTED)
    //订阅消息
    LiveEventBus
      .get<boolean>(KEY_TEST_CLOSE_ALL_PAGE)
      .observe(this, {
        onChanged(b:boolean) {
          if (b) {
            // router.clear()
            // router.back()
          }
        }
      });
  }
  build() {
    Column() {
      // EditorNav()
      this.body()
    }
    .width('100%')
    .height('100%')
  }
  // 这里放画布
  @Builder body(){
    // ImageMapView()
    //   .id('map')
  }
}