playurl = 'https://oo.haiqu.vip:2266/myxc\/2019\/03\/02\/\u5e7f\u897f\u5317\u6d77\u8001\u8857\u9152\u5427\u65e9\u573a\u6696\u573a\u8212\u670d\u8282\u594f\u4e32\u70e7.m4a';