diff --git a/dbswitch-product/dbswitch-product-db2/src/main/java/com/gitee/dbswitch/product/db2/DB2MetadataQueryProvider.java b/dbswitch-product/dbswitch-product-db2/src/main/java/com/gitee/dbswitch/product/db2/DB2MetadataQueryProvider.java
index c034b308..7d15b70b 100644
--- a/dbswitch-product/dbswitch-product-db2/src/main/java/com/gitee/dbswitch/product/db2/DB2MetadataQueryProvider.java
+++ b/dbswitch-product/dbswitch-product-db2/src/main/java/com/gitee/dbswitch/product/db2/DB2MetadataQueryProvider.java
@@ -137,7 +137,7 @@ public class DB2MetadataQueryProvider extends AbstractMetadataProvider {
         retval += "DATE";
         break;
       case ColumnMetaData.TYPE_BOOLEAN:
-        retval += "BOOLEAN";
+        retval += "SMALLINT";
         break;
       case ColumnMetaData.TYPE_NUMBER:
       case ColumnMetaData.TYPE_BIGNUMBER: