playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/\u524d\u4efb3-\u518d\u89c1\u524d\u4efb\u8bf4\u6563\u5c31\u6563\u4e2d\u6587\u8f66\u8f7d.m4a';