diff --git a/ComputersShop/ComputersShopBusinessLogic/OrderLogic.cs b/ComputersShop/ComputersShopBusinessLogic/OrderLogic.cs
index 72f8fef..52732f9 100644
--- a/ComputersShop/ComputersShopBusinessLogic/OrderLogic.cs
+++ b/ComputersShop/ComputersShopBusinessLogic/OrderLogic.cs
@@ -17,17 +17,73 @@ namespace ComputersShopBusinessLogic
 	{
 		private readonly ILogger _logger;
 		private readonly IOrderStorage _orderStorage;
-
 		public OrderLogic(ILogger<OrderLogic> logger, IOrderStorage orderStorage)
 		{
 			_logger = logger;
 			_orderStorage = orderStorage;
 		}
+		public bool CreateOrder(OrderBindingModel model)
+		{
+			CheckModel(model);
+			if (model.Status != OrderStatus.Неизвестен)
+			{
+				_logger.LogWarning("Insert operation failed. Order status incorrect.");
+				return false;
+			}
+			model.Status = OrderStatus.Принят;
+			if (_orderStorage.Insert(model) == null)
+			{
+				model.Status = OrderStatus.Неизвестен;
+				_logger.LogWarning("Insert operation failed");
+				return false;
+			}
+			return true;
+		}
+		public bool StatusUpdate(OrderBindingModel model, OrderStatus newStatus)
+		{
+			var viewModel = _orderStorage.GetElement(new OrderSearchModel { Id = model.Id });
+			if (viewModel == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			if (viewModel.Status + 1 != newStatus)
+			{
+				_logger.LogWarning("Update operation failed. Order status incorrect.");
+				return false;
+			}
+			model.Status = newStatus;
+			if (model.Status == OrderStatus.Готов) model.DateImplement = DateTime.Now;
+			else
+			{
+				model.DateImplement = viewModel.DateImplement;
+			}
+			CheckModel(model);
+			if (_orderStorage.Update(model) == null)
+			{
+				model.Status--;
+				_logger.LogWarning("Update operation failed");
+				return false;
+			}
+			return true;
+		}
+		public bool DeliveryOrder(OrderBindingModel model)
+		{
+			return StatusUpdate(model, OrderStatus.Выдан);
+		}
 
+		public bool FinishOrder(OrderBindingModel model)
+		{
+			return StatusUpdate(model, OrderStatus.Готов);
+		}
+		public bool TakeOrderInWork(OrderBindingModel model)
+		{
+			return StatusUpdate(model, OrderStatus.Выполняется);
+		}
 		public List<OrderViewModel>? ReadList(OrderSearchModel? model)
 		{
-			_logger.LogInformation("ReadList. OrderId:{ Id}", model?.Id);
-			var list = model == null ? _orderStorage.GetFullList() : _orderStorage.GetFilteredList(model);
+			_logger.LogInformation("ReadList. OrderId:{Id}", model?.Id);
+			var list = model == null ? _orderStorage.GetFullList() :
+								   _orderStorage.GetFilteredList(model);
 			if (list == null)
 			{
 				_logger.LogWarning("ReadList return null list");
@@ -36,40 +92,6 @@ namespace ComputersShopBusinessLogic
 			_logger.LogInformation("ReadList. Count:{Count}", list.Count);
 			return list;
 		}
-
-		public bool CreateOrder(OrderBindingModel model)
-		{
-			CheckModel(model);
-			if(!CheckStatus(model, OrderStatus.Принят, false)) return false;
-			if (_orderStorage.Insert(model) == null)
-			{
-				_logger.LogWarning("Insert operation failed");
-				return false;
-			}
-			return true;
-		}
-
-		public bool TakeOrderInWork(OrderBindingModel model)
-		{
-			CheckModel(model);
-			if (!CheckStatus(model, OrderStatus.Выполняется)) return false;
-			return true;
-		}
-
-		public bool DeliveryOrder(OrderBindingModel model)
-		{
-			CheckModel(model);
-			if (!CheckStatus(model, OrderStatus.Готов)) return false;
-			return true;
-		}
-
-		public bool FinishOrder(OrderBindingModel model)
-		{
-			CheckModel(model);
-			if (!CheckStatus(model, OrderStatus.Выдан)) return false;
-			return true;
-		}
-
 		private void CheckModel(OrderBindingModel model, bool withParams = true)
 		{
 			if (model == null)
@@ -82,35 +104,21 @@ namespace ComputersShopBusinessLogic
 			}
 			if (model.ComputerId < 0)
 			{
-				throw new ArgumentNullException("Некорректный идентификатор компьютера", nameof(model.ComputerId));
+				throw new ArgumentNullException("Некорректный идентификатор документа",
+					nameof(model.ComputerId));
 			}
 			if (model.Count <= 0)
 			{
-				throw new ArgumentNullException("Количество компьютеров в заказе должно быть больше 0", nameof(model.Count));
+				throw new ArgumentNullException("Количество компьютеров в заказе должно быть больше 0",
+					nameof(model.Count));
 			}
 			if (model.Sum <= 0)
 			{
-				throw new ArgumentNullException("Сумма заказа должна быть больше 0", nameof(model.Sum));
+				throw new ArgumentNullException("Сумма заказа должна быть больше 0",
+					nameof(model.Sum));
 			}
-			_logger.LogInformation("Order. OrderId:{Id}.Sum:{ Sum}. ComputerId: { ComputerId}", model.Id, model.Sum, model.ComputerId);
-		}
-
-		private bool CheckStatus(OrderBindingModel model, OrderStatus newstatus, bool update = true)
-		{
-			if (model.Status != newstatus - 1)
-			{
-				_logger.LogWarning("Failed to change status");
-				return false;
-			}
-			model.Status = newstatus;
-			if(!update) return true;
-			if (_orderStorage.Update(model) == null)
-			{
-				_logger.LogWarning("Insert operation failed");
-				return false;
-			}
-			if (model.Status == OrderStatus.Выдан) model.DateImplement = DateTime.Now;
-			return true;
+			_logger.LogInformation("Computer. OrderID:{Id}. Sum:{Sum}. ComputerID:{ComputerID}.}",
+				model.Id, model.Sum, model.ComputerId);
 		}
 	}
 }
diff --git a/ComputersShop/ComputersShopView/FormComputer.Designer.cs b/ComputersShop/ComputersShopView/FormComputer.Designer.cs
index fd0425a..86956da 100644
--- a/ComputersShop/ComputersShopView/FormComputer.Designer.cs
+++ b/ComputersShop/ComputersShopView/FormComputer.Designer.cs
@@ -67,6 +67,7 @@
 			// 
 			this.textBoxPrice.Location = new System.Drawing.Point(88, 38);
 			this.textBoxPrice.Name = "textBoxPrice";
+			this.textBoxPrice.ReadOnly = true;
 			this.textBoxPrice.Size = new System.Drawing.Size(159, 23);
 			this.textBoxPrice.TabIndex = 3;
 			// 
diff --git a/ComputersShop/ComputersShopView/FormComputer.resx b/ComputersShop/ComputersShopView/FormComputer.resx
index 214dda5..63454f6 100644
--- a/ComputersShop/ComputersShopView/FormComputer.resx
+++ b/ComputersShop/ComputersShopView/FormComputer.resx
@@ -66,4 +66,13 @@
   <metadata name="CountColumn.UserAddedColumn" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
     <value>True</value>
   </metadata>
+  <metadata name="ColumnId.UserAddedColumn" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
+    <value>True</value>
+  </metadata>
+  <metadata name="ComponentColumn.UserAddedColumn" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
+    <value>True</value>
+  </metadata>
+  <metadata name="CountColumn.UserAddedColumn" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
+    <value>True</value>
+  </metadata>
 </root>
\ No newline at end of file