playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/\u5317\u4eac\u5de5\u4f53\u591c\u5e972017\u5168\u82f1\u6587\u70b8\u573a\u6b4c\u8def\u821e\u66f2.m4a';