playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/2018\u56db\u6708\u4efd\u591c\u573a\u9152\u5427\u65e9\u573a\u6f6e\u6b4c\u82f1\u6587\u6696\u573a.m4a';