examcloud-upgrade/nginx/prod-192.168.1.60/sites/n.conf

server {
	listen 80;
	server_name ecs.qmth.com.cn  *.ecs.qmth.com.cn;
	add_header Cache-Control no-cache;
        add_header Cache-Control private;

    if ($host ~* "^([^.]+(\.[^.]+)*)\.ecs.qmth.com.cn$"){
        set $subd $1;
        rewrite ^(.*)$ https://$subd.exam-cloud.cn$1 permanent;
        break;
    }


}