diff --git a/catch/system/model/Config.php b/catch/system/model/Config.php
index 1f3d3d1..07135c9 100644
--- a/catch/system/model/Config.php
+++ b/catch/system/model/Config.php
@@ -205,6 +205,6 @@ class Config extends CatchModel
             }
         }
 
-        return $data;
+        return empty($data) ? '' : $data;
     }
 }
\ No newline at end of file