playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/2017\u4e00\u8d77\u8d70\u5929\u6daf\u5168\u4e2d\u6587\u8f66\u8f7d\u5fc5\u5907\u7cbe\u54c1\u6162\u6447\u97f3\u4e50.m4a';