playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/2017\u6bd4\u5229\u65f6\u4e16\u754c\u767e\u5927dj\u72c2\u55e8\u8df3\u821e\u73b0\u573a.m4a';