diff --git a/encoder/firewall.php b/encoder/firewall.php
index e7965ed..f2d50c2 100644
--- a/encoder/firewall.php
+++ b/encoder/firewall.php
@@ -43,9 +43,8 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
 
     foreach ($data as $port => $value) {
         $tmp = explode(",", trim($value));
-        if (count($tmp) >= 1) {
+        if (count($tmp) > 1) {
             foreach ($tmp as $ip) {
-                error_log("limit  port " . $port);
                 error_log("tmp count is " . count($tmp));
                 exec("sudo ufw allow from " . $ip . "to any port " . $port . " proto tcp");
             }