diff --git a/databend-jdbc/src/main/java/com/databend/jdbc/DatabendColumnInfo.java b/databend-jdbc/src/main/java/com/databend/jdbc/DatabendColumnInfo.java
index 705ab8df..070dd10d 100644
--- a/databend-jdbc/src/main/java/com/databend/jdbc/DatabendColumnInfo.java
+++ b/databend-jdbc/src/main/java/com/databend/jdbc/DatabendColumnInfo.java
@@ -226,7 +226,7 @@ public Nullable getNullable() {
     }
 
     public String getColumnTypeName() {
-        return type.toString();
+        return type.getDataType().getDisplayName();
     }
 
     public boolean isCurrency() {