playurl = 'https://oo.haiqu.vip:2266/mc\/2018\/01\/20180717\/Mc\u6c34\u516c\u4e3b-\u7537\u4eba\u7684\u75db\u4f60\u6c38\u8fdc\u4e0d\u4f1a\u61c2.m4a';