bug修改，核算数据值为负数时不显示

performance/Performance.Services/SheetSevice.cs

@@ -284,7 +284,7 @@ private void CommonExport(int sheetID, SheetExportResponse response)
                     {
                         var data = dataList.FirstOrDefault(t => t.RowNumber == rowNumber && t.SignID == head.SignID);
                         var value = data?.CellValue;
-                        if (value.HasValue && value.Value > 0)
+                        if (value.HasValue)
                             rowbody.Data.Add(new Cell(head.PointCell.Value, value, 1, 1, data.IsTotal == 1, true, data.Annotation));
                     }
                 }