HTTP/1.1 200 OK Date: Thu, 25 Feb 2021 13:54:52 GMT Content-Type: text/html; charset=utf-8 Content-Length: 0 Connection: keep-alive Server: nginx/1.16.0 Last-Modified: Tue, 23 Feb 2021 01:02:55 GMT ETag: "6034543f-0" X-Frame-Options: SAMEORIGIN Accept-Ranges: bytes X-Ser: BC204_dx-lt-shandong-qingdao-2-cache-7, BC110_US-Colorado-Denver-1-cache-2, BC119_HK-xianggang-xianggang-4-cache-3 X-Cache: HIT from BC119_HK-xianggang-xianggang-4-cache-3(baishan)