HTTP/1.1 200 OK Server: none Date: Wed, 22 May 2019 06:31:49 GMT Content-Type: text/html Content-Length: 0 Connection: keep-alive X-Frame-Options: SAMEORIGIN Last-Modified: Wed, 22 May 2019 06:31:23 GMT Accept-Ranges: bytes Vary: User-Agent Cache-Control: private, max-age=600 Expires: Wed, 22 May 2019 06:41:23 GMT ETag: W/"0-589741d457d99" Content-Language: zh-CN