playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/2018\u8d85\u5f3a\u6c14\u6c1b\u7535\u97f3\u8bf4\u5531\u5168\u82f1\u6587\u5927\u789f.m4a';