diff --git a/src/Console/Portal.php b/src/Console/Portal.php
index 0af023f..52d023a 100644
--- a/src/Console/Portal.php
+++ b/src/Console/Portal.php
@@ -350,6 +350,9 @@ protected function getConfigPath()
 
     public static function runCommand($cmd, $input = null)
     {
+        if (!function_exists('popen')) {
+            throw new \Exception('Function popen is not exist, please enable it.');
+        }
         $fp = popen($cmd, 'wb');
         if ($fp === false) {
             return false;