playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/2018\u591c\u573a\u4e50\u5de2\u9152\u5427\u8fd1\u671f\u70ed\u64ad\u4e2d\u82f1\u6587\u4e32\u70e7.m4a';