diff --git a/designer-chart/src/main/java/com/fr/van/chart/box/data/table/BoxPlotTableSeriesTypeUsePane.java b/designer-chart/src/main/java/com/fr/van/chart/box/data/table/BoxPlotTableSeriesTypeUsePane.java
index ea8533577..b9993440f 100644
--- a/designer-chart/src/main/java/com/fr/van/chart/box/data/table/BoxPlotTableSeriesTypeUsePane.java
+++ b/designer-chart/src/main/java/com/fr/van/chart/box/data/table/BoxPlotTableSeriesTypeUsePane.java
@@ -71,6 +71,7 @@ public class BoxPlotTableSeriesTypeUsePane extends UIComboBoxPane<ChartCollectio
         categoryCombox = new UIComboBox();
         categoryCombox.setPreferredSize(new Dimension(100, 20));
         categoryCombox.addItem(Toolkit.i18nText("Fine-Design_Chart_Use_None"));
+        categoryCombox.setSelectedItem(null);
 
         north.add(GUICoreUtils.createBorderLayoutPane(new Component[]{categoryCombox, null, null, label, null}));
         north.setPreferredSize(new Dimension(246, 30));