playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/2017\u591c\u5e97\u8d85\u55e8\u597d\u542c\u5f3a\u52b2\u8212\u670d\u6162\u6447\u4e32\u70e7.m4a';