Merge pull request #474 in BA/design from ~XIAOXIA/design:dev to dev

* commit 'ba68acf028ed1c1040bcb7f35276341e5fbf7aa9':
  rt

designer_form/src/com/fr/design/mainframe/JForm.java

@@ -609,15 +609,16 @@ public class JForm extends JTemplate<Form, FormUndoState> implements BaseJForm {
             EastRegionContainerPane.getInstance().replaceDownPane(RolesAlreadyEditedPane.getInstance());
             return;
         }
+
         if (formDesign.isReportBlockEditing()) {
             if (elementCaseDesign != null) {
+                EastRegionContainerPane.getInstance().removeParameterPane();
                 EastRegionContainerPane.getInstance().replaceDownPane(elementCaseDesign.getEastDownPane());
                 EastRegionContainerPane.getInstance().replaceUpPane(elementCaseDesign.getEastUpPane());
                 return;
             }
         }
 
-
         EastRegionContainerPane.getInstance().replaceUpPane(WidgetPropertyPane.getInstance(formDesign));
         EastRegionContainerPane.getInstance().addParameterPane(ParameterPropertyPane.getInstance(formDesign));
         if (EastRegionContainerPane.getInstance().getDownPane() == null) {