playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/\u591c\u573a\u9152\u5427\u65b0\u98ce\u683c\u72c2\u55e8\u4e0d\u505c\u571f\u55e8\u821e\u66f2\u4e32\u70e7.m4a';