diff --git a/HttpServer/Shutdown.php b/HttpServer/Shutdown.php
index 9f9a66b9..b6608d39 100644
--- a/HttpServer/Shutdown.php
+++ b/HttpServer/Shutdown.php
@@ -86,8 +86,7 @@ class Shutdown extends Component
         }
         $shell = 'ps -eo pid,cmd,state | grep %d | grep -v grep';
         exec(sprintf($shell, $content), $output, $code);
-        var_dump(sprintf($shell, $content), $output, $code);
-        if (empty($content)) {
+        if (empty($output)) {
             return false;
         }
         return true;