playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/\u5317\u4eac\u5de5\u4f53\u62ff\u94c1\u9152\u5427\u5168\u573a\u55e8\u7206\u8df3\u821e\u4e32\u70e7.m4a';