diff --git a/designer-base/src/main/java/com/fr/design/data/datapane/TableDataTreePane.java b/designer-base/src/main/java/com/fr/design/data/datapane/TableDataTreePane.java
index 22c49df240..fd421ad322 100644
--- a/designer-base/src/main/java/com/fr/design/data/datapane/TableDataTreePane.java
+++ b/designer-base/src/main/java/com/fr/design/data/datapane/TableDataTreePane.java
@@ -257,7 +257,7 @@ public class TableDataTreePane extends BasicTableDataTreePane {
         esdAction = new EsdOnAction();
         esdOffAction = new EsdOffAction();
         switchAction = new SwitchAction();
-
+        extraActions = new HashSet<>();
         toolbarDef = new ToolBarDef();
         toolbarDef.addShortCut(addMenuDef, SeparatorDef.DEFAULT, editAction, removeAction);
         ShortCut[] extraShortCut = initExtraAction();