diff --git a/designer-form/src/main/java/com/fr/design/mainframe/JForm.java b/designer-form/src/main/java/com/fr/design/mainframe/JForm.java
index 2fbccb1cd..7cdd7fd60 100644
--- a/designer-form/src/main/java/com/fr/design/mainframe/JForm.java
+++ b/designer-form/src/main/java/com/fr/design/mainframe/JForm.java
@@ -371,6 +371,7 @@ public class JForm extends JTemplate<Form, FormUndoState> implements BaseJForm<F
             return;
         }
         ParameterPropertyPane.getInstance().setAddParaPaneVisible(isAddParaPaneVisible(comp), this);
+        ParameterPropertyPane.getInstance().updateAddParaPaneSize();
         editingComponent = comp.createToolPane(this, formDesign);
         if (DesignerMode.isAuthorityEditing()) {
             EastRegionContainerPane.getInstance().replaceWidgetSettingsPane(
diff --git a/designer-form/src/main/java/com/fr/design/parameter/ParameterPropertyPane.java b/designer-form/src/main/java/com/fr/design/parameter/ParameterPropertyPane.java
index 7c967efed..e3d5f46e4 100644
--- a/designer-form/src/main/java/com/fr/design/parameter/ParameterPropertyPane.java
+++ b/designer-form/src/main/java/com/fr/design/parameter/ParameterPropertyPane.java
@@ -103,7 +103,7 @@ public class ParameterPropertyPane extends JPanel{
 		refreshState(DesignerContext.getDesignerFrame().getSelectedJTemplate());
 	}
 
-	private void updateAddParaPaneSize() {
+	public void updateAddParaPaneSize() {
 		if (!addParaPane.isVisible()) {
 			return;
 		}