diff --git a/designer-form/src/main/java/com/fr/design/designer/creator/XWFitLayout.java b/designer-form/src/main/java/com/fr/design/designer/creator/XWFitLayout.java
index bacb7a5b7..b9814a0f3 100644
--- a/designer-form/src/main/java/com/fr/design/designer/creator/XWFitLayout.java
+++ b/designer-form/src/main/java/com/fr/design/designer/creator/XWFitLayout.java
@@ -887,6 +887,7 @@ public class XWFitLayout extends XLayoutContainer {
 		isRefreshing = true;
 		this.remove(oldCreator);
 		this.add(newCreator);
+		this.updateBoundsWidget();
 		isRefreshing = false;
 		LayoutUtils.layoutContainer(this);
 	}
diff --git a/designer-form/src/main/java/com/fr/design/mainframe/ComponentTree.java b/designer-form/src/main/java/com/fr/design/mainframe/ComponentTree.java
index 684037d8b..0c8649348 100644
--- a/designer-form/src/main/java/com/fr/design/mainframe/ComponentTree.java
+++ b/designer-form/src/main/java/com/fr/design/mainframe/ComponentTree.java
@@ -362,7 +362,6 @@ public class ComponentTree extends JTree {
 
         @Override
         public void mouseMoved(MouseEvent e) {
-
             Point p = e.getPoint();
             int selRow = tree.getRowForLocation(p.x, p.y);
             TreeCellRenderer r = tree.getCellRenderer();
@@ -371,12 +370,12 @@ public class ComponentTree extends JTree {
                 Point point = tree.getPathBounds(path).getLocation();
                 SwingUtilities.convertPointToScreen(point, tree);
                 XCreator comp = (XCreator) path.getLastPathComponent();
-                if (comp.getXCreatorBaseOperate().supportSelected()){
+                if (comp.getXCreatorBaseOperate().supportSelected()) {
                     popupPreviewPane(point.y, comp);
+                    return;
                 }
-            } else {
-                hidePreviewPane();
             }
+            hidePreviewPane();
         }
 
         @Override
diff --git a/designer-form/src/main/java/com/fr/design/mainframe/FormDesigner.java b/designer-form/src/main/java/com/fr/design/mainframe/FormDesigner.java
index 581255896..683bf9b71 100644
--- a/designer-form/src/main/java/com/fr/design/mainframe/FormDesigner.java
+++ b/designer-form/src/main/java/com/fr/design/mainframe/FormDesigner.java
@@ -1317,9 +1317,6 @@ public class FormDesigner extends TargetComponent<Form> implements TreeSelection
 
 
     protected void setToolbarButtons() {
-        //自适应布局和底层都不能删除
-        DesignerContext.getDesignerFrame().checkCombineUp(!isRootSelected(), NAME_ARRAY_LIST);
-
         if (isParameterSelected()) {
             DesignerContext.getDesignerFrame().checkCombineUp(false, PARAMETER_TOOLAR_BAN_LIST);
         }