diff --git a/designer-form/src/main/java/com/fr/design/designer/creator/cardlayout/XCardAddButton.java b/designer-form/src/main/java/com/fr/design/designer/creator/cardlayout/XCardAddButton.java
index a25ca05046..7f43c57dfa 100644
--- a/designer-form/src/main/java/com/fr/design/designer/creator/cardlayout/XCardAddButton.java
+++ b/designer-form/src/main/java/com/fr/design/designer/creator/cardlayout/XCardAddButton.java
@@ -92,6 +92,9 @@ public class XCardAddButton extends XButton {
     	if(cardLayout == null && tagLayout ==null ){
     		initRelateLayout();
     	}
+		if (cardLayout == null) {
+			throw new IllegalArgumentException("cardLayout can not be null");
+		}
     	int index = cardLayout.toData().getWidgetCount();
     	
     	//添加新的tab，并将原来的设为未选中状态
diff --git a/designer-form/src/main/java/com/fr/design/form/layout/FRTitleLayout.java b/designer-form/src/main/java/com/fr/design/form/layout/FRTitleLayout.java
index 413cbf2421..65f037b04c 100644
--- a/designer-form/src/main/java/com/fr/design/form/layout/FRTitleLayout.java
+++ b/designer-form/src/main/java/com/fr/design/form/layout/FRTitleLayout.java
@@ -126,9 +126,9 @@ public class FRTitleLayout implements FRLayoutManager, LayoutManager{
 			int titleH = title==null ? 0 : WTitleLayout.TITLE_HEIGHT;
 			for (int i=0; i< target.getComponentCount(); i++) {
 				Component comp = target.getComponent(i);
-				if (comp == title) {
+				if (comp != null && comp == title) {
 					comp.setBounds(0, 0, width, WTitleLayout.TITLE_HEIGHT);
-				} else if (comp == body) {
+				} else if (comp != null && comp == body) {
 					int y = titleH+gap;
 					comp.setBounds(0, y, width, height-y);
 				}
diff --git a/designer-form/src/main/java/com/fr/design/mainframe/EditingMouseListener.java b/designer-form/src/main/java/com/fr/design/mainframe/EditingMouseListener.java
index 3c03ba38d7..07cb7f93a3 100644
--- a/designer-form/src/main/java/com/fr/design/mainframe/EditingMouseListener.java
+++ b/designer-form/src/main/java/com/fr/design/mainframe/EditingMouseListener.java
@@ -573,8 +573,8 @@ public class EditingMouseListener extends MouseInputAdapter {
                     GUICoreUtils.showPopupMenu(cellPopupMenu, designer, e.getX(), e.getY());
                 }
             }
+            creator.doLayout();
         }
-        creator.doLayout();
         LayoutUtils.layoutRootContainer(designer.getRootComponent());
     }