diff --git a/LawFirm/AbstractLawFirmBusinessLogic/BusinessLogic/OrderLogic.cs b/LawFirm/AbstractLawFirmBusinessLogic/BusinessLogic/OrderLogic.cs
index 4efbcbd..3e48fea 100644
--- a/LawFirm/AbstractLawFirmBusinessLogic/BusinessLogic/OrderLogic.cs
+++ b/LawFirm/AbstractLawFirmBusinessLogic/BusinessLogic/OrderLogic.cs
@@ -16,6 +16,7 @@ namespace AbstractLawFirmBusinessLogic.BusinessLogic
     public class OrderLogic : IOrderLogic
     {
         private readonly ILogger _logger;
+        static readonly object locker = new object();
         private readonly IOrderStorage _orderStorage;
 
         public OrderLogic(ILogger<OrderLogic> logger, IOrderStorage orderStorage)
@@ -68,7 +69,7 @@ namespace AbstractLawFirmBusinessLogic.BusinessLogic
 
         public bool ChangeStatus(OrderBindingModel model, OrderStatus status)
         {
-            //CheckModel(model);
+            CheckModel(model, false);
             var element = _orderStorage.GetElement(new OrderSearchModel { Id = model.Id });
             if (element == null)
             {
@@ -81,14 +82,21 @@ namespace AbstractLawFirmBusinessLogic.BusinessLogic
                 throw new InvalidOperationException("Текущий статус заказа не может быть переведен в выбранный");
             }
             model.Status = status;
+            if (model.Status == OrderStatus.Готов) model.DateImplement = DateTime.Now;
             if (model.Status == OrderStatus.Выдан) model.DateImplement = DateTime.Now;
+            if (element.ImplementerId.HasValue) {
+                model.ImplementerId = element.ImplementerId;
+            }
             _orderStorage.Update(model);
             return true;
         }
 
         public bool TakeOrderInWork(OrderBindingModel model)
         {
-            return ChangeStatus(model, OrderStatus.Выполняется);
+            lock (locker)
+            {
+                return ChangeStatus(model, OrderStatus.Выполняется);
+            }
         }
 
         public bool FinishOrder(OrderBindingModel model)
diff --git a/LawFirm/AbstractLawFirmBusinessLogic/BusinessLogic/WorkModeling.cs b/LawFirm/AbstractLawFirmBusinessLogic/BusinessLogic/WorkModeling.cs
index 5fe6bf5..f3bdb8f 100644
--- a/LawFirm/AbstractLawFirmBusinessLogic/BusinessLogic/WorkModeling.cs
+++ b/LawFirm/AbstractLawFirmBusinessLogic/BusinessLogic/WorkModeling.cs
@@ -138,4 +138,4 @@ namespace AbstractLawFirmBusinessLogic.BusinessLogic
             }
         }
     }
-}
+}
\ No newline at end of file
diff --git a/LawFirm/AbstractLawFirmDatabaseImplement/Models/Order.cs b/LawFirm/AbstractLawFirmDatabaseImplement/Models/Order.cs
index 5a7de35..2c82507 100644
--- a/LawFirm/AbstractLawFirmDatabaseImplement/Models/Order.cs
+++ b/LawFirm/AbstractLawFirmDatabaseImplement/Models/Order.cs
@@ -62,6 +62,7 @@ namespace AbstractLawFirmDatabaseImplement.Models
             }
             Status = model.Status;
             DateImplement = model.DateImplement;
+            ImplementerId = model.ImplementerId;
         }
 
         public OrderViewModel GetViewModel => new OrderViewModel
diff --git a/LawFirm/AbstractLawFirmRestApi/Program.cs b/LawFirm/AbstractLawFirmRestApi/Program.cs
index d9b1590..6adf78f 100644
--- a/LawFirm/AbstractLawFirmRestApi/Program.cs
+++ b/LawFirm/AbstractLawFirmRestApi/Program.cs
@@ -19,6 +19,8 @@ builder.Services.AddTransient<IDocumentStorage, DocumentStorage>();
 builder.Services.AddTransient<IOrderLogic, OrderLogic>();
 builder.Services.AddTransient<IClientLogic, ClientLogic>();
 builder.Services.AddTransient<IDocumentLogic, DocumentLogic>();
+builder.Services.AddTransient<IImplementerStorage, ImplementerStorage>();
+builder.Services.AddTransient<IImplementerLogic, ImplementerLogic>();
 builder.Services.AddControllers();
 // Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
 builder.Services.AddEndpointsApiExplorer();