playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/2016\u5168\u4e2d\u6587\u6d41\u884c\u56fd\u8bed\u60c5\u611f\u821e\u66f2\u6162\u6447\u4e32\u70e7.m4a';