HTTP/1.1 200 OK Date: Tue, 01 Dec 2020 21:20:44 GMT Content-Type: text/html Content-Length: 0 Connection: keep-alive Server: Apache Last-Modified: Mon, 09 Jul 2018 10:20:36 GMT Accept-Ranges: bytes X-Ser: BC178_dx-lt-yd-jiangsu-zhenjiang-3-cache-4, BC142_lt-shandong-zibo-6-cache-4 X-Cache: HIT from BC142_lt-shandong-zibo-6-cache-4(baishan)