diff --git a/designer-base/src/main/java/com/fr/design/data/datapane/TreeTableDataDictPane.java b/designer-base/src/main/java/com/fr/design/data/datapane/TreeTableDataDictPane.java
index 175ddbfda3..5a4efba2d7 100644
--- a/designer-base/src/main/java/com/fr/design/data/datapane/TreeTableDataDictPane.java
+++ b/designer-base/src/main/java/com/fr/design/data/datapane/TreeTableDataDictPane.java
@@ -1,5 +1,6 @@
 package com.fr.design.data.datapane;
 
+import com.fr.base.i18n.BidiUtils;
 import com.fr.data.impl.RecursionTableData;
 import com.fr.design.data.DesignTableDataManager;
 import com.fr.design.data.datapane.preview.PreviewLabel;
@@ -164,6 +165,7 @@ public class TreeTableDataDictPane extends BasicPane implements Previewable {
             }
         });
         centerPane.add(previewPanel, BorderLayout.CENTER);
+        BidiUtils.applyOrientationByLocale(this);
     }
 
     protected void setTableDataNameComboBox(String treeName) {