diff --git a/designer_form/src/com/fr/design/mainframe/widget/ui/FormWidgetCardPane.java b/designer_form/src/com/fr/design/mainframe/widget/ui/FormWidgetCardPane.java
index 068c896dc..fb75edbab 100644
--- a/designer_form/src/com/fr/design/mainframe/widget/ui/FormWidgetCardPane.java
+++ b/designer_form/src/com/fr/design/mainframe/widget/ui/FormWidgetCardPane.java
@@ -8,7 +8,6 @@ import com.fr.design.foldablepane.UIExpandablePane;
 import com.fr.design.gui.frpane.AbstractAttrNoScrollPane;
 import com.fr.design.gui.frpane.AttributeChangeListener;
 import com.fr.design.layout.FRGUIPaneFactory;
-import com.fr.design.mainframe.DesignerContext;
 import com.fr.design.mainframe.FormDesigner;
 import com.fr.design.widget.DataModify;
 import com.fr.design.widget.Operator;