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 3490341f2..d188e8cfd 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
@@ -481,6 +481,7 @@ public class JDBCDefPane extends JPanel {
                 portTextField.setText(port.replaceAll(e.getKeyChar() + "", ""));
                 if (!isPortValid(portTextField.getText())) {
                     portTextField.setText("");
+                    updateURL();
                 }
             }
         }