playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/\u6700\u65b0\u591c\u573a\u9152\u5427\u9ad8\u6863\u6b21\u8212\u670d\u82f1\u6587\u6162\u6447\u4e32\u70e7.m4a';