diff --git a/common/Define/Model.php b/common/Define/Model.php
index b06ead8..7ef95c3 100644
--- a/common/Define/Model.php
+++ b/common/Define/Model.php
@@ -3,6 +3,7 @@ namespace ProVM\Common\Define;
 
 use \Model as BaseModel;
 use ProVM\Common\Alias\Model as ModelInterface;
+use ProVM\Common\Factory\Model as ModelFactory;
 
 abstract class Model extends BaseModel implements ModelInterface {
   const SELF_KEY = 'self_key';