diff --git a/ops/nginx_conf/nginx.conf b/ops/nginx_conf/nginx.conf
index 1fa491f..9293ad7 100644
--- a/ops/nginx_conf/nginx.conf
+++ b/ops/nginx_conf/nginx.conf
@@ -53,6 +53,7 @@ http {
 
             local ok, err = red:connect("127.0.0.1", 6379)
             if not ok then
+                ngx.say('The domain is not allowed on this server.')
                 ngx.log(ngx.ERR, "failed to connect to redis: ", err)
                 return ngx.exit(598)
             end