diff --git a/module/execution/model.php b/module/execution/model.php
index ac8b88c2ed..456a1f1405 100755
--- a/module/execution/model.php
+++ b/module/execution/model.php
@@ -296,7 +296,7 @@ class executionModel extends model
         $oldExecution = $this->dao->findById($executionID)->from(TABLE_EXECUTION)->fetch();
 
         /* Judgment of required items, such as execution code name. */
-        if($oldExecution->type != 'stage' and $postData->code == '' and isset($this->config->setCode) and $this->config->setCode == 1)
+        if($oldExecution->type != 'stage' && empty($postData->code) && isset($this->config->setCode) && $this->config->setCode == 1)
         {
             /* $this->config->setCode is the value get from database with system owner and common module. */
             dao::$errors['code'] = sprintf($this->lang->error->notempty, $this->lang->execution->code);