playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180727\/DJYYY\u7cbe\u90092018\u6296\u97f3\u795e\u66f2\u7f51\u7edc\u70ed\u95e8\u6d41\u884c\u97f3\u4e50.m4a';