新人求助，开启 CF 的 CDN， NGINX 不再反代？

已在 8080 端口架设了简单的网站服务，但是打开却是"Welcome to Nginx!" 难道是 CF 的 CDN 与 NGINX 不共存吗？网上查询了，也没有好的答案。

server {
	listen 443 ssl http2;
	server_name www.example.com;
	include ssl/www.example.com.ssl.conf;
	if   
($http_user_agent ~* "Bytespider|SEMrushBot|DuckDuckGo-Favicons-Bot|dark_NeXus_Qbot|360Spider|YisouSpider|YodaoBot|Sosospider|Sogou web spider|msnbot-media|msnbot|ia_archiver|EasouSpider|JikeSpider|ezooms.bot|Twitterbot|Facebot|AhrefsBot|SemrushBot|Baiduspider|YandexBot|YandexMobileBot|DotBot|MJ12bot|bingbot|Java|perl|Python|Wget|Xenu|^$")  
{  
return 444;  
}
	location / {
	proxy_pass http://127.0.0.1:8080; 
	proxy_set_header Host $proxy_host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header REMOTE-HOST $remote_addr;
    proxy_set_header X-Forwarded-Proto  $scheme;
    proxy_ssl_name $proxy_host;
proxy_ssl_server_name on;
	}
	include cf.conf;
	deny all;
	
}