backgroundAudioManager.singer = e.currentTarget.dataset.poetry_author;

backgroundAudioManager.coverImgUrl = e.currentTarget.dataset.index_bg_image_url;

backgroundAudioManager.src = e.currentTarget.dataset.full_audio_mp3_url;

backgroundAudioManager.play();

播放背景音，在手机上正常，ipad报playerErrCode:7,systemErrcode:2,domain:NSCocoaErrorDomain，description:未能完成操作。（“Cocoa”错误2）