playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/DJ\u5c0f\u59da\u64a9\u59b9\u4e13\u7528\u975e\u5e38\u597d\u542c\u7684\u549a\u9f13\u8f66\u8f7d\u4e32\u70e7.m4a';