HTTP/1.1 200 OK Date: Thu, 19 Sep 2019 13:31:20 GMT Content-Type: text/html Content-Length: 0 Connection: keep-alive Server: nginx Last-Modified: Thu, 25 Apr 2019 12:44:50 GMT ETag: "5cc1abc2-0" Accept-Ranges: bytes X-Via: 1.1 xinxzai207:7 (Cdn Cache Server V2.0), 1.1 PSmgasbIAD1pb76:10 (Cdn Cache Server V2.0)