diff --git a/AircraftPlant/AircraftPlantBusinessLogic/BusinessLogics/OrderLogic.cs b/AircraftPlant/AircraftPlantBusinessLogic/BusinessLogics/OrderLogic.cs
index ab91015..704e5fd 100644
--- a/AircraftPlant/AircraftPlantBusinessLogic/BusinessLogics/OrderLogic.cs
+++ b/AircraftPlant/AircraftPlantBusinessLogic/BusinessLogics/OrderLogic.cs
@@ -28,6 +28,8 @@ namespace AircraftPlantBusinessLogic.BusinessLogics
         /// </summary>
         private readonly IOrderStorage _orderStorage;
 
+        static readonly object locker = new();
+
         /// <summary>
         /// Конструктор
         /// </summary>
@@ -109,9 +111,13 @@ namespace AircraftPlantBusinessLogic.BusinessLogics
         /// </summary>
         /// <param name="model"></param>
         /// <returns></returns>
+
         public bool TakeOrderInWork(OrderBindingModel model)
         {
-            return StatusUpdate(model, OrderStatus.Выполняется);
+            lock (locker)
+            {
+                return StatusUpdate(model, OrderStatus.Выполняется);
+            }
         }
         /// <summary>
         /// Смена статуса заказа (Выдан)
diff --git a/AircraftPlant/AircraftPlantBusinessLogic/BusinessLogics/WorkModeling.cs b/AircraftPlant/AircraftPlantBusinessLogic/BusinessLogics/WorkModeling.cs
index bd3b364..21c947c 100644
--- a/AircraftPlant/AircraftPlantBusinessLogic/BusinessLogics/WorkModeling.cs
+++ b/AircraftPlant/AircraftPlantBusinessLogic/BusinessLogics/WorkModeling.cs
@@ -78,12 +78,15 @@ namespace AircraftPlantBusinessLogic.BusinessLogics
                         }
 
                         // делаем работу
-                        Thread.Sleep(implementer.WorkExperience * _rnd.Next(100, 1000) * order.Count);
+                        Thread.Sleep(implementer.WorkExperience * _rnd.Next(500, 1000) * order.Count);
                         _logger.LogDebug("DoWork. Worker {Id} finish order {Order}", implementer.Id, order.Id);
                         _orderLogic.DeliveryOrder(new OrderBindingModel
                         {
                             Id = order.Id
                         });
+
+                        // отдыхаем
+                        Thread.Sleep(implementer.Qualification * _rnd.Next(10, 20));
                     }
                     // кто-то мог уже перехватить заказ, игнорируем ошибку
                     catch (InvalidOperationException ex)
@@ -97,8 +100,6 @@ namespace AircraftPlantBusinessLogic.BusinessLogics
                         throw;
                     }
 
-                    // отдыхаем
-                    Thread.Sleep(implementer.Qualification * _rnd.Next(10, 100));
                 }
             });
         }