ip+端口访问的话，子节点正常，域名访问子节点offline而且一直connecting很长时间，是什么情况，nginx配置的问题吗

server {
server_name lgs.666.xyz;

listen 443 ssl; # managed by Certbotssl_certificate /etc/letsencrypt/live/lgs.666.xyz/fullchain.pem; # managed by Certbotssl_certificate_key /etc/letsencrypt/live/lgs.666.xyz/privkey.pem; # managed by Certbotinclude /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbotssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbotlocation / {proxy_pass http://127.0.0.1:3003/;proxy_http_version 1.1;proxy_read_timeout 3600;proxy_set_header Upgrade $http_upgrade;proxy_set_header Connection "upgrade";proxy_set_header Host $http_host;proxy_set_header X-Real-IP $remote_addr;proxy_set_header X-Real-PORT $remote_port;proxy_set_header X-Forwarded-For $remote_addr;

}

}
server {
if ($host = lgs.666.xyz) {
return 301 https://$host$request_uri;
} # managed by Certbot

server_name lgs.666.xyz;
listen 80;
return 404; # managed by Certbot

}