考勤下载bug修改

performance/Performance.Services/AttendanceService.cs

@@ -2594,7 +2594,7 @@ public string ExcelDownload(List<Dictionary<string, object>> rows, string name,
                         {
                             var temp = data.ElementAt(row);
                             var low = temp.Keys.ToString().ToLower();
-                            var value = temp[headList[col].Name.ToLower()];
+                            var value = temp.GetValue(headList[col].Name, "");
 
                             worksheet.Cells[row + 3, col + 1].Value = value;
                         }