playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/2017\u4e0d\u53ef\u62d2\u7edd\u7684\u78c1\u6027\u53d1\u70e7\u67d4\u7f8e\u5973\u58f0\u8f66\u8f7d\u8fde\u7248\u4e32\u70e7.m4a';