diff --git a/src/com/engine/organization/util/db/DBType.java b/src/com/engine/organization/util/db/DBType.java
index fae51acb..58a22467 100644
--- a/src/com/engine/organization/util/db/DBType.java
+++ b/src/com/engine/organization/util/db/DBType.java
@@ -42,7 +42,7 @@ public enum DBType implements DBOperateAdapter {
 
         @Override
         public String concat(String some) {
-            return " ','+" + some + "+',' ";
+            return " ',cast('+" + some + "as varchar)+',' ";
         }
 
         @Override