解决 OEE月统计错误

PVDEMCS/PVDEMCS/Services/Repositories/Impl/EquipmentRecordRepository.cs

@@ -687,7 +687,7 @@ namespace PVDEMCS.Services.Repositories.Impl
                     }
                     else
                     {
-                        days = new DateTime(now.Year, item.TotalMonth, 1).GetDaysOfMonth();
+                        days = DateTime.DaysInMonth(now.Year, item.TotalMonth);
                         minutes = days * 60 * 24;
                     }
                     var value = 0m;