playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/\u5e7f\u4e1c\u7231\u60c5\u6545\u4e8b\u4e2d\u6587\u549a\u9f13\u8f66\u8f7d\u4e32\u70e7.m4a';