REPORT-73811 图表条件属性汇总字段值，汇总方式下拉内容显示了两遍

designer-chart/src/main/java/com/fr/design/chart/series/SeriesCondition/ColSelectedWithSummaryMethodEditor.java

@@ -46,8 +46,9 @@ public class ColSelectedWithSummaryMethodEditor extends Editor<DSColumnWithSumma
     }
 
     private static void refreshComboBoxModel(String[] columnNames) {
+        columnNameComboBoxModel.removeAllElements();
+        summaryMethodComboBoxModel.removeAllElements();
         if (columnNames != null) {
-            columnNameComboBoxModel.removeAllElements();
             for (String columnName : columnNames) {
                 columnNameComboBoxModel.addElement(columnName);
             }
@@ -56,9 +57,6 @@ public class ColSelectedWithSummaryMethodEditor extends Editor<DSColumnWithSumma
             }
             columnNameComboBoxModel.setSelectedItem(null);
             summaryMethodComboBoxModel.setSelectedItem(null);
-        } else {
-            columnNameComboBoxModel.removeAllElements();
-            summaryMethodComboBoxModel.removeAllElements();
         }
     }