playurl = 'https://oo.haiqu.vip:2266/mc\/2018\/01\/20180717\/Mc\u6c34\u516c\u4e3b-\u56fd\u8bed\u591c\u5e97\u7687\u65cf\u6218\u6b4c\u558a\u9ea6\u73b0\u573a.m4a';