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performance/Performance.Services/ExtractExcelService/SheetDataWrite/SpecialUnitDataWrite.cs

@@ -123,7 +123,7 @@ private void SupplyMergedRegionData(ISheet sheet, ExcelStyle style, List<Special
                     {
                         var cell = row.GetCell(cellIndex);
                         if (cell == null) cell = row.CreateCell(cellIndex);
-                        SetCellValue(cell, cellType, value);
+                        if (!string.IsNullOrEmpty(value)) SetCellValue(cell, cellType, value);
                     }
                     row.SetRowStyle(basicStyle);
                 }
@@ -287,7 +287,6 @@ private void SetCellValue(ICell cell, CellType cellType, string value)
                 case CellType.Blank:
                 case CellType.Error:
                 default:
-                    cell.SetCellValue("");
                     break;
             }
         }