HTTP/1.1 200 OK Server: nginx/1.19.3 Date: Mon, 26 May 2025 07:08:26 GMT Content-Type: application/pdf Content-Length: 64666 Connection: keep-alive Last-Modified: Wed, 05 Jan 2022 13:55:46 GMT Cache-Control: max-age=43200, public Expires: Mon, 26 May 2025 19:08:26 GMT ETag: "1641390946.8841105-64666-1250956042" %PDF-1.7 %鲁秦 1 0 obj <> /Outlines 5 0 R /Pages 2 0 R /Type /Catalog>> endobj 3 0 obj <