diff --git a/FreeSql/DataType.cs b/FreeSql/DataType.cs
index 2a54f41e..05825cf2 100644
--- a/FreeSql/DataType.cs
+++ b/FreeSql/DataType.cs
@@ -69,6 +69,8 @@ namespace FreeSql
         /// </summary>
         GBase,
 
+        QuestDb,
+
         CustomOracle, CustomSqlServer, CustomMySql, CustomPostgreSQL
     }
 }