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; }