diff --git a/designer-base/src/main/java/com/fr/design/data/datapane/connect/JDBCDefPane.java b/designer-base/src/main/java/com/fr/design/data/datapane/connect/JDBCDefPane.java
index 1b2953b4c5..ae3f08a2b6 100644
--- a/designer-base/src/main/java/com/fr/design/data/datapane/connect/JDBCDefPane.java
+++ b/designer-base/src/main/java/com/fr/design/data/datapane/connect/JDBCDefPane.java
@@ -515,8 +515,9 @@ public class JDBCDefPane extends JPanel {
             refreshDriverManage(true);
             this.driverManageBox.setSelectedItem(Toolkit.i18nText("Fine-Design_Driver_Manage_Self_Define"));
             String represent = getRepresent(jdbcDatabase.getDriver(), jdbcDatabase.getDriverSource());
-            this.driverLoaderBox.removeItem(represent);
-            this.driverLoaderBox.addItem(represent);
+            if (!nameAndRepresent.containsValue(represent)) {
+                this.driverLoaderBox.addItem(represent);
+            }
             this.driverLoaderBox.setSelectedItem(represent);
         }
         this.urlTextField.setText(jdbcDatabase.getURL());