playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/2017\u4e50\u5de2\u9152\u5427\u70ed\u64ad\u7cbe\u54c1\u5168\u573a\u8df3\u821e\u4e32\u70e7.m4a';