离子本机代码推送自动回滚问题

Question

app.component.ts文件

import { Component } from '@angular/core';
import { Platform,ToastController } from 'ionic-angular';
import { StatusBar } from '@ionic-native/status-bar';
import { SplashScreen } from '@ionic-native/splash-screen';
import { HomePage } from '../pages/home/home';
import { CodePush,InstallMode,SyncStatus } from '@ionic-native/code-push';
@Component({
  templateUrl: 'app.html'
})
export class MyApp {
  rootPage:any = HomePage;
  constructor(
    platform: Platform, 
    statusBar: StatusBar, 
    splashScreen: SplashScreen, private codePush: CodePush,public toastCtrl: ToastController,
    ) {
    platform.ready().then(() => {
      this.codePush.notifyApplicationReady();           
      this.checkCodePush();
      statusBar.styleDefault();
      splashScreen.hide();
    });
  }
  checkCodePush() {
         this.codePush.sync({
      updateDialog: {
       appendReleaseDescription: true,
       descriptionPrefix: "\n\nChange log:\n"   
      },
      installMode: InstallMode.ON_NEXT_RESTART
   }).subscribe(//,downloadProgress
     (data) => {
        if(data == SyncStatus.CHECKING_FOR_UPDATE)
            alert("Check for update");
        if(data == SyncStatus.DOWNLOADING_PACKAGE)
            alert('downloading_package ');
        if(data == SyncStatus.IN_PROGRESS)
            alert('in_progress ');
        if(data == SyncStatus.INSTALLING_UPDATE)
            alert('installing_update ');
        if(data == SyncStatus.UPDATE_INSTALLED)
            alert('update_installed ');
        if(data == SyncStatus.ERROR)
            alert('error');
     },
     (err) => {
      console.log('CODE PUSH ERROR: ' + err);
      let toast = this.toastCtrl.create({
                message: 'CODE PUSH ERROR: ' + err,
                duration: 10000,
                position: 'bottom'
            });
            toast.onDidDismiss(() => {});
            toast.present();
     }
   );
  }
}

Please see attach image 问题是在更新应用程序后，我关闭了该应用程序，并将其回滚到预览版本，但是更新没有错误。有人可以帮我吗？我该如何解决这个问题？