playurl = 'https://oo.haiqu.vip:2266/mc\/2018\/01\/20180717\/Mc\u4e03\u7fbd-\u91d1\u8fbe\u83b1\u82b1\u8d85\u55e8\u558a\u9ea6\u4e2d\u6587\u73b0\u573a.m4a';