diff --git a/application/admin/controllers/DataController.php b/application/admin/controllers/DataController.php
index 37202470..3230a41e 100755
--- a/application/admin/controllers/DataController.php
+++ b/application/admin/controllers/DataController.php
@@ -2877,7 +2877,7 @@ class Admin_DataController extends Zend_Controller_Action
 			$this->_helper->viewRenderer('newdata-add-bydata');
 		}
 		//元数据格式检查
-		else if ($ac="validate")
+		else if ($ac=="validate")
 		{
 			$this->_helper->layout->disableLayout();
 			$this->_helper->viewRenderer->setNoRender();