HTTP/1.1 200 OK Date: Fri, 16 May 2025 11:05:27 GMT Content-Type: text/html Content-Length: 0 Connection: keep-alive X-Frame-Options: SAMEORIGIN X-XSS-Protection: 0 X-Content-Type-Options: nosniff Referrer-Policy: no-referrer-when-downgrade X-Download-Options: noopen Permissions-Policy: geolocation=(self), microphone=() X-Permitted-Cross-Domain-Policies: master-only Content-Security-Policy: default-src 'self' data: blob: *.ccu.edu.cn *api.com *.eol.cn answer.eol.cn *.zjzw.cn *.chaoxing.com *.conac.cn *.jiathis.com *.baidu.com *.bshare.cn *.qq.com *.kaipuyun.cn 'unsafe-inline' 'unsafe-eval'; Accept-Ranges: bytes Cache-Control: max-age=600 Expires: Fri, 16 May 2025 11:15:27 GMT Content-Language: zh-CN X_NO_CACHE: 1