getBackgroundAudioManager 播放地址  https://sd235.oss-cn-shanghai.aliyuncs.com/2020%2F03%2F23%2F1655%2F%E7%94%B741--%E4%BA%BA%E7%89%A9%E7%BA%AA%E5%BD%95%E7%89%87--%E5%8E%9A%E9%87%8D%E6%84%9F%E6%83%85.mp3 在手机上能正常播放[图片]