diff --git a/module/common/model.php b/module/common/model.php
index 2a5cda6f4c..e59974e92b 100644
--- a/module/common/model.php
+++ b/module/common/model.php
@@ -578,6 +578,7 @@ class commonModel extends model
             $queryCondition = explode('ORDER', $sql);
             $queryCondition = $queryCondition[0];
         }
+        if(empty($queryCondition)) $queryCondition = "1=1";
 
         $this->session->set($objectType . 'QueryCondition', $queryCondition);
         $this->session->set($objectType . 'OnlyCondition', $onlyCondition);