HTTP/1.1 200 OK Date: Tue, 22 Oct 2019 17:19:13 GMT Content-Type: text/html Content-Length: 0 Connection: keep-alive Server: nginx Last-Modified: Tue, 22 Oct 2019 16:51:50 GMT ETag: "5daf33a6-0" Accept-Ranges: bytes X-Via: 1.1 xinxzai207:4 (Cdn Cache Server V2.0), 1.1 PSmgasbIAD1pb76:1 (Cdn Cache Server V2.0)