playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/2017\u672c\u8272\u4e3b\u573a\u70b8\u573a\u5185\u90e8\u7535\u5b50\u65b0\u5355\u4e32\u70e7.m4a';