nginx.conf

server {
    listen 7860;
    server_name _;
    
    location / {
        proxy_pass https://demo.fuclaude.com;
        proxy_set_header Host demo.fuclaude.com;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header Accept-Encoding "";
        
        # 关键：替换响应中的域名
        sub_filter 'demo.fuclaude.com' '$host';
        sub_filter_once off;
        
        # 解决 HTTPS 混合内容问题
        proxy_redirect ~^https://demo.fuclaude.com(.*) $scheme://$host$1;
    }
}