HTTP/1.1 200 OK Server: none Date: Tue, 21 May 2019 10:21:17 GMT Content-Type: text/html Content-Length: 0 Connection: keep-alive X-Frame-Options: SAMEORIGIN Last-Modified: Tue, 21 May 2019 10:20:51 GMT Accept-Ranges: bytes Vary: User-Agent Cache-Control: private, max-age=600 Expires: Tue, 21 May 2019 10:30:51 GMT ETag: W/"0-58963340fe084" Content-Language: zh-CN