CHART-9760 系列默认为空

designer-chart/src/main/java/com/fr/design/mainframe/chart/gui/data/table/SeriesNameUseFieldValuePane.java

@@ -40,6 +40,7 @@ public class SeriesNameUseFieldValuePane extends FurtherBasicBeanPane<ChartColle
 
     public SeriesNameUseFieldValuePane() {
         seriesName = new UIComboBoxWithNone();
+        seriesName.getModel().setSelectedItem(null);
         seriesValue = new UIComboBox();
         calculateCombox = new CalculateComboBox();
         calculateCombox.reset();