diff --git a/designer_base/src/com/fr/design/data/datapane/TreeTableDataDictPane.java b/designer_base/src/com/fr/design/data/datapane/TreeTableDataDictPane.java
index 3c5d0799a..36ca2fb7e 100644
--- a/designer_base/src/com/fr/design/data/datapane/TreeTableDataDictPane.java
+++ b/designer_base/src/com/fr/design/data/datapane/TreeTableDataDictPane.java
@@ -31,7 +31,7 @@ import java.util.List;
 public class TreeTableDataDictPane extends BasicPane implements Previewable {
 
     private UILabel selectTableDataLabel;
-    private TableDataComboBox tableDataNameComboBox;
+    protected TableDataComboBox tableDataNameComboBox;
     private UIRadioButton parentMarkRadio;
     private UIRadioButton lengthMarkRadio;
     private ButtonGroup markButtonGroup;