HTTP/1.1 200 OK Server: none Date: Wed, 08 Apr 2020 20:38:40 GMT Content-Type: text/html Content-Length: 0 Connection: keep-alive X-Frame-Options: SAMEORIGIN Last-Modified: Wed, 08 Apr 2020 20:37:30 GMT Accept-Ranges: bytes Vary: User-Agent Cache-Control: private, max-age=600 Expires: Wed, 08 Apr 2020 20:47:30 GMT ETag: W/"0-5a2cd781ebbb6" Content-Language: zh-CN