HTTP/1.1 200 OK Date: Tue, 25 Feb 2020 12:49:59 GMT Server: Apache X-Frame-Options: SAMEORIGIN Frame-Options: SAMEORIGIN Accept-Ranges: bytes Vary: Accept-Encoding Connection: close Transfer-Encoding: chunked Content-Type: text/html 相距虽远心却相连 —— 致全体同学的一封信