HTTP/1.1 200 OK Server: none Date: Tue, 21 May 2019 12:13:09 GMT Content-Type: text/html Content-Length: 0 Connection: keep-alive X-Frame-Options: SAMEORIGIN Last-Modified: Tue, 21 May 2019 12:12:43 GMT Accept-Ranges: bytes Vary: User-Agent Cache-Control: private, max-age=600 Expires: Tue, 21 May 2019 12:22:43 GMT ETag: W/"0-58964c41dcee9" Content-Language: zh-CN