重复列去重

performance/Performance.Services/SheetSevice.cs

@@ -143,7 +143,7 @@ public SheetExportResponse SheetExport(int sheetID)
 
         private void CommonExport(int sheetID, SheetExportResponse response)
         {
-            var headList = _perforImHeaderRepository.GetEntities(t => t.SheetID == sheetID)?.OrderBy(t => t.PointCell);
+            var headList = _perforImHeaderRepository.GetEntities(t => t.SheetID == sheetID)?.OrderBy(t => t.PointCell).ToDistinct(t=>t.CellValue);
             if (headList == null) return;
             var dataList = _perforImDataRepository.GetEntities(t => t.SheetID == sheetID)?.OrderByDescending(t => t.AccountingUnit).ToList();