HarmonyOS 鸿蒙Next 公共事件订阅接收不到事件

事件需要发布和订阅，才能在订阅中收到回调，参考代码如下

import { BusinessError, commonEventManager } from '@kit.BasicServicesKit';
function publishCB(err: BusinessError) {
  if (err) {
    console.error(`publish failed, code is ${err.code}, message is ${err.message}`);
  } else {
    console.info("publish timetick");
  }
}
@Entry
@Component
struct WebComponent {
  controller: web_webview.WebviewController = new web_webview.WebviewController()
  aboutToAppear(): void {
  }
  build() {
    Column() {
      Button('publish')
        .onClick(() => {
          try {
            commonEventManager.publish(commonEventManager.Support.COMMON_EVENT_TIME_TICK, publishCB);
          } catch (error) {
            let err: BusinessError = error as BusinessError;
            console.error(`publish failed, code is ${err.code}, message is ${err.message}`);
          }
        })
      Button('subscibe')
        .onClick(() => {
          commonEventManager.createSubscriber({
            events: [commonEventManager.Support.COMMON_EVENT_TIME_TICK]
          , priority: 80
          }).then((value) => {
            commonEventManager.subscribe(value, (err: BusinessError, data: commonEventManager.CommonEventData) => {
              console.log("something coming")
            })
          }).catch(() => {
            console.log("something err")
          })
        })
    }
  }
}