playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/2017\u6700\u65b0\u597d\u542c\u5168\u5973\u58f0\u4e2d\u6587\u60c5\u611f\u549a\u9f13\u4e32\u70e7.m4a';