playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/2017\u591c\u5e97\u5546\u4e1a\u70b8\u573a\u524d\u536b\u6f6e\u6d41\u81f3\u55e8\u821e\u66f2\u55e8\u789f.m4a';