请大神回复：

const app = getApp()

Page({

  data:{

    isPlayingMusic:false,

  },

  bgm:null,

  music_url:'/images/易言 - 太阳.mp3',

  music_coverImgUrl:'/images/50.jpg',

  OnReady:function(){

    this.bgm = wx.getBackgroundAudioManager()

    this.bgm.title='太阳'

    this.bgm.epname='abc'

    this.bgm.singer='易言'

    this.bgm.coverImgUrl = this.music_coverImgUrl

    this.bgm.onCanplay(()=>{

      this.bgm.pause()

    })

    this.bgm.src = this.music_url

  },

  play:function(){

    if(this.data.isPlayingMusic){

      this.bgm.pause()

    }else{

      this.bgm.play()

    }

    this.setData({

      isPlayingMusic: ! this.data.isPlayingMusic

    })

  }

})