playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/\u591c\u5e97\u5168\u82f1\u6587\u8d85\u5f3a\u81f3\u55e8\u597d\u542c\u8f66\u8f7d\u6162\u6447\u4e32\u70e7.m4a';