HTTP/1.1 200 OK Date: Fri, 24 May 2019 13:41:37 GMT Server: Apache/2.2.29 (Unix) PHP/5.3.29 X-Powered-By: ThinkPHP Expires: Thu, 19 Nov 1981 08:52:00 GMT Cache-Control: private Pragma: no-cache Content-Length: 0 Content-Type: text/html; charset=utf-8