playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/\u9ad8\u7ea7\u6c7d\u8f66\u4e13\u7528\u53d1\u70e7\u52a8\u611f\u8bd5\u97f3\u5929\u789f.m4a';