HTTP/1.1 200 OK Content-Type: text/html; charset=UTF-8 Connection: keep-alive Date: Mon, 24 Feb 2020 00:02:54 GMT Vary: Accept-Encoding Powered-By-ChinaCache: HIT from CNC-HQ-b-D04 Powered-By-ChinaCache: MISS from CNC-HA-1-D26 Server: openresty Last-Modified: Mon, 24 Feb 2020 00:02:54 GMT Expires: Tue, 25 Feb 2020 00:02:54 GMT Content-Length: 0 Accept-Ranges: bytes CACHE: TCP_HIT CC_CACHE: TCP_REFRESH_MISS