playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/\u82f1\u5fb7Dj\u4f1f\u4ed4\u7b2c\u4e94\u5f20\u4e2d\u6587\u8f66\u8f7d\u5fc5\u5907\u55e8\u66f2\u4e32\u70e7.m4a';