diff --git a/designer-realize/src/main/java/com/fr/design/mainframe/ElementCasePaneDelegate.java b/designer-realize/src/main/java/com/fr/design/mainframe/ElementCasePaneDelegate.java
index 696c732f32..22ab323443 100644
--- a/designer-realize/src/main/java/com/fr/design/mainframe/ElementCasePaneDelegate.java
+++ b/designer-realize/src/main/java/com/fr/design/mainframe/ElementCasePaneDelegate.java
@@ -117,6 +117,7 @@ public class ElementCasePaneDelegate extends ElementCasePane<WorkSheet> {
     @Override
     protected void afterPasteAction() {
         refreshPropertyPanes();
+        fireTargetModified();
         repaint();
     }
 
diff --git a/designer-realize/src/main/java/com/fr/design/mainframe/form/FormElementCasePaneDelegate.java b/designer-realize/src/main/java/com/fr/design/mainframe/form/FormElementCasePaneDelegate.java
index 1108c47416..55d11fe7de 100644
--- a/designer-realize/src/main/java/com/fr/design/mainframe/form/FormElementCasePaneDelegate.java
+++ b/designer-realize/src/main/java/com/fr/design/mainframe/form/FormElementCasePaneDelegate.java
@@ -72,6 +72,7 @@ public class FormElementCasePaneDelegate extends ElementCasePane<FormElementCase
     @Override
     protected void afterPasteAction() {
         refreshPropertyPanes();
+        fireTargetModified();
         repaint();
     }