backgroundAudioManager.onPause(() => {
  backgroundAudioManager.title = 'xxx'
  backgroundAudioManager.epname = 'xxx'
  backgroundAudioManager.singer = 'xxx'
  backgroundAudioManager.coverImgUrl = item.cover
  backgroundAudioManager.src = item.src
  backgroundAudioManager.play()
})
//  这样写虽然会执行视频音频同步播放但是音频会从头开始播放   
//  大家有没有更优的解决方案？