diff --git a/designer_form/src/com/fr/design/form/parameter/FormParaDesigner.java b/designer_form/src/com/fr/design/form/parameter/FormParaDesigner.java
index a7936a8288..d5de1eb4ff 100644
--- a/designer_form/src/com/fr/design/form/parameter/FormParaDesigner.java
+++ b/designer_form/src/com/fr/design/form/parameter/FormParaDesigner.java
@@ -233,6 +233,7 @@ public class FormParaDesigner extends FormDesigner implements ParameterDesignerP
 		}
 		ParameterPropertyPane.getInstance().getParameterToolbarPane().populateBean(
 				p.getParameterArray() == null ? new Parameter[0] : p.getParameterArray());
+		EastRegionContainerPane.getInstance().setParameterHeight(ParameterPropertyPane.getInstance().getPreferredSize().height);
 
 	}