HTTP/1.1 200 OK Server: none Date: Tue, 21 May 2019 10:13:07 GMT Content-Type: text/html Content-Length: 0 Connection: keep-alive X-Frame-Options: SAMEORIGIN Last-Modified: Tue, 21 May 2019 10:12:41 GMT Accept-Ranges: bytes Vary: User-Agent Cache-Control: private, max-age=600 Expires: Tue, 21 May 2019 10:22:41 GMT ETag: W/"0-5896316de6ab6" Content-Language: zh-CN