InnerAudioContext()设置volume在模拟器可用但真机上无效？

if (id == "songbutton"){

      if (inneraudioCtx.volume == 0){

        inneraudioCtx.volume = 1

      }else

        inneraudioCtx.volume = 0

      }

      this.setData({

        songbool:inneraudioCtx.volume

      })

    }