playurl = 'https://oo.haiqu.vip:2266/myxc\/2019\/08\/05\/\u53ef\u4ee5\u7b11\u7684\u8bdd\u4e0d\u4f1a\u54ed\u91cd\u4f4e\u97f3\u52a0\u5feb\u4e2d\u6587\u8f66\u8f7d.m4a';