playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/2018\u52b2\u7206\u52a0\u5feb\u91cd\u9f13\u4f24\u611f\u597d\u542c\u8f66\u8f7d\u4e32\u70e7.m4a';