Update cloudfare_real_ip.conf

rewrite/nginx/cloudfare_real_ip.conf

@@ -1,4 +1,6 @@
 location / {
+
+	# https://www.cloudflare.com/zh-cn/ips/
     set_real_ip_from 103.21.244.0/22;
     set_real_ip_from 103.22.200.0/22;
     set_real_ip_from 103.31.4.0/22;
@@ -25,6 +27,7 @@ location / {
     real_ip_header CF-Connecting-IP;
     #real_ip_header X-Forwarded-For;
 
+     
 	index index.html index.php; 
 	if (-f $request_filename/index.html){ 
 		rewrite (.*) $1/index.html break;