HTTP/1.1 302 Found Server: nginx Date: Tue, 22 Oct 2019 14:35:24 GMT Content-Type: text/html;charset=UTF-8 Content-Length: 0 Connection: keep-alive Keep-Alive: timeout=20 X-Frame-Options: SAMEORIGIN Frame-Options: SAMEORIGIN Set-Cookie: JSESSIONID=6A615984635F5542392F4B2526C2A0F8; Path=/ Location: http://gradschool.ustc.edu.cn/ylb/material/xw/gzzd/14.pdf Strict-Transport-Security: max-age=2592000 Content-Security-Policy: upgrade-insecure-requests