HTTP/1.1 200 200 Content-Type: application/pdf;charset=UTF-8 Content-Length: 0 Connection: keep-alive Date: Sat, 29 Oct 2022 14:12:49 GMT Server: nginx/1.12.78 X-Frame-Options: SAMEORIGIN X-Application-Context: application Last-Modified: Thu, 01 Jan 1970 00:00:00 GMT