diff --git a/BlacksmithWorkshop/BlacksmithWorkshopBusinessLogic/BusinessLogics/StoreLogic.cs b/BlacksmithWorkshop/BlacksmithWorkshopBusinessLogic/BusinessLogics/StoreLogic.cs
index b09a2a7..ea36093 100644
--- a/BlacksmithWorkshop/BlacksmithWorkshopBusinessLogic/BusinessLogics/StoreLogic.cs
+++ b/BlacksmithWorkshop/BlacksmithWorkshopBusinessLogic/BusinessLogics/StoreLogic.cs
@@ -78,7 +78,21 @@ namespace BlacksmithWorkshopBusinessLogic.BusinessLogics
 			}
 			return true;
 		}
-		public bool AddManufacture(IManufactureModel manufacturemodel, StoreSearchModel model, int count)
+		private void SaveChanges(StoreViewModel? model)
+		{
+			if (model == null)
+			{
+				return;
+			}
+			_storeStorage.Update(new StoreBindingModel()
+			{
+				StoreName = model.StoreName,
+				Address = model.Address,
+				OpeningDate = model.OpeningDate,
+				Manufactures = model.Manufactures
+			});
+		}
+		public bool AddManufacture(IManufactureModel manufacture, StoreSearchModel model, int count)
 		{
 			if (model == null)
 			{
@@ -86,39 +100,30 @@ namespace BlacksmithWorkshopBusinessLogic.BusinessLogics
 			}
 			if (count <= 0)
 			{
-				throw new ArgumentNullException("Количество добавляемых изделий должно быть больше нуля");
+				throw new ArgumentException("Количество добавляемых изделий должно быть больше нуля");
 			}
+			_logger.LogInformation("Adding manufacture {manufacture} in store {store}. Id = {id}", manufacture.ManufactureName, model.StoreName, model.Id);
 			//ищем магазин
 			StoreViewModel? selectedStore = _storeStorage.GetElement(model);
 			if (selectedStore == null)
 			{
+				_logger.LogWarning("Store with id {Id} not found", model.Id);
 				return false;
 			}
 			//ищем изделие в магазине
-			foreach (var manufacture in selectedStore.Manufactures)
+			foreach (var man in selectedStore.Manufactures)
 			{
-				if (manufacture.Item1.Id == manufacturemodel.Id)//если изделие уже есть в магазине, увеличиваем его количество
+				if (man.Item1.Id == manufacture.Id)//если изделие уже есть в магазине, увеличиваем его количество
 				{
-					selectedStore.Manufactures[manufacturemodel.Id - 1] = (manufacturemodel, selectedStore.Manufactures[manufacturemodel.Id - 1].Item2 + count);
-					_storeStorage.Update(new StoreBindingModel()
-					{
-						StoreName = selectedStore.StoreName,
-						Address = selectedStore.Address,
-						OpeningDate = selectedStore.OpeningDate,
-						Manufactures = selectedStore.Manufactures
-					});
+					selectedStore.Manufactures[manufacture.Id - 1] = (manufacture, selectedStore.Manufactures[manufacture.Id - 1].Item2 + count);
+					SaveChanges(selectedStore);
+					_logger.LogInformation("Filled store Id = {storeId} with manufacture Id = {manufactureId}. Count = {count}", model.i)
 					return true;
 				}
 			}
 			//иначе добавляем изделие в магазин в указанном количестве
-			selectedStore.Manufactures.Add((manufacturemodel, count));
-			_storeStorage.Update(new StoreBindingModel()
-			{
-				StoreName = selectedStore.StoreName,
-				Address = selectedStore.Address,
-				OpeningDate = selectedStore.OpeningDate,
-				Manufactures = selectedStore.Manufactures
-			});
+			selectedStore.Manufactures.Add((manufacture, count));
+			SaveChanges(selectedStore);
 			return true;
 		}
 		private void CheckModel(StoreBindingModel model, bool withParams = true)
@@ -150,4 +155,4 @@ namespace BlacksmithWorkshopBusinessLogic.BusinessLogics
 			}
 		}
 	}
-}
+}
\ No newline at end of file