playurl = 'https://oo.haiqu.vip:2266/jy\/2018\/01\/20180717\/\u4e2d\u4e09-\u8349\u539f\u7684\u591c-\u4e4c\u4e91\u5a1c-\u8bf7\u60a8\u5171\u821e.m4a';