REPORT-62440 表头排序内置

designer-realize/src/main/java/com/fr/design/sort/celldscolumn/CellDSColumnSortPane.java

@@ -41,7 +41,7 @@ public class CellDSColumnSortPane extends AbstractSortPane {
             DSColumn dsColumn = ((DSColumn) cellElement.getValue());
             TableDataColumn tableDataColumn = dsColumn.getColumn();
             if (tableDataColumn instanceof TableDataColumn.ColumnName) {
-                selfSortArea = ((TableDataColumn.ColumnName) dsColumn.getColumn()).getName();
+                selfSortArea = TableDataColumn.getColumnName(tableDataColumn);
             }
         }
     }