playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/2017\u8001\u53f8\u673a\u6ce1\u5973\u5f88\u597d\u542c\u7684\u5168\u5973\u58f0\u8f66\u8f7d\u6162\u6b4c\u5927\u789f.m4a';