HTTP/1.1 200 OK Date: Wed, 04 Dec 2019 06:21:23 GMT Content-Type: text/html Content-Length: 0 X-Frame-Options: SAMEORIGIN Last-Modified: Wed, 04 Dec 2019 06:21:23 GMT Vary: User-Agent Cache-Control: private, max-age=600 Expires: Wed, 04 Dec 2019 06:31:23 GMT ETag: W/"0-598dad2611c59" Content-Language: zh-CN Accept-Ranges: bytes