playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/2017\u9ad8\u7aef\u9152\u5427\u65e9\u573a\u4e13\u7528\u82f1\u6587\u7537\u5531\u6696\u573a\u4e32\u70e7.m4a';