diff --git a/LuminousSales/Business/Business/Interfaces/ISalesController.cs b/LuminousSales/Business/Business/Interfaces/ISalesController.cs
index 1b6e2fe..1305bfb 100644
--- a/LuminousSales/Business/Business/Interfaces/ISalesController.cs
+++ b/LuminousSales/Business/Business/Interfaces/ISalesController.cs
@@ -8,7 +8,7 @@ namespace Business.Business.Sales
     {
         ICollection<T> GetAll();
         T Get(int id);
-        ICollection<T> GetByTime(byte[] startPeriod, byte[] endPeriod);
+        ICollection<T> GetByTime(DateTime time);
         void Add(int productId, double Amount);
         void Add(string productName, double Amount);
         void Delete(int id);
diff --git a/LuminousSales/Business/Business/Sales/StockController.cs b/LuminousSales/Business/Business/Sales/StockController.cs
index 4632ba5..62f132d 100644
--- a/LuminousSales/Business/Business/Sales/StockController.cs
+++ b/LuminousSales/Business/Business/Sales/StockController.cs
@@ -8,11 +8,30 @@ using Models.Models;
 
 namespace Business.Business.Sales
 {
-    public class StockController : IStockController<Product>
+    public class StockController : ISalesController<Product>
     {
         private LuminousContext context;
 
-
+        Product ISalesController<Product>.Get(int id)
+        {
+            return context.Product.Find(id);
+        }
+        ICollection<Product> ISalesController<Product>.GetByTime(DateTime time)
+        {
+            throw new NotImplementedException();
+        }
+        void ISalesController<Product>.Add(int productId, double Amount)
+        {
+            throw new NotImplementedException();
+        }
+        void ISalesController<Product>.Add(string productName, double Amount)
+        {
+            throw new NotImplementedException();
+        }
+        void ISalesController<Product>.Delete(int id)
+        {
+            throw new NotImplementedException();
+        }
         public ICollection<Product> GetAll()
         {
             using (context = new LuminousContext())
@@ -21,15 +40,6 @@ namespace Business.Business.Sales
             }
             
         }
-
-        public Product GetById(int id)
-        {
-            using (context = new LuminousContext())
-            {
-                return context.Product.Find(id);
-            }
-        }
-
         public void AddProduct(Product product)
         {
             using (context = new LuminousContext())
@@ -41,8 +51,7 @@ namespace Business.Business.Sales
             }
             
         }
-
-        public void LoadProductById(int id)
+        public void LoadProduct(int id)
         {
             using (context = new LuminousContext())
             {
@@ -55,7 +64,7 @@ namespace Business.Business.Sales
             }
         }
 
-        public void LoadProductByName(Product product)
+        public void LoadProduct(Product product)
         {
             using (context = new LuminousContext())
             {
@@ -93,11 +102,6 @@ namespace Business.Business.Sales
                 }
             }
         }
-
-        public Product GetByName(string name)
-        {
-            throw new NotImplementedException();
-        }
     }
 
 }
diff --git a/LuminousSales/Models/Data.csproj b/LuminousSales/Models/Data.csproj
index 0cd4ad8..cc61d3b 100644
--- a/LuminousSales/Models/Data.csproj
+++ b/LuminousSales/Models/Data.csproj
@@ -4,6 +4,13 @@
     <TargetFramework>netstandard2.1</TargetFramework>
   </PropertyGroup>
 
+  <ItemGroup>
+    <Compile Remove="Migrations\20210318105825_init.cs" />
+    <Compile Remove="Migrations\20210318105825_init.Designer.cs" />
+    <Compile Remove="Migrations\20210318192056_DateTimeUpdate.cs" />
+    <Compile Remove="Migrations\20210318192056_DateTimeUpdate.Designer.cs" />
+  </ItemGroup>
+
   <ItemGroup>
     <PackageReference Include="Microsoft.EntityFrameworkCore" Version="3.1.12" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="3.1.12">
@@ -18,4 +25,8 @@
     </PackageReference>
   </ItemGroup>
 
+  <ItemGroup>
+    <Folder Include="Migrations\" />
+  </ItemGroup>
+
 </Project>
diff --git a/LuminousSales/Models/Migrations/20210318105825_init.Designer.cs b/LuminousSales/Models/Migrations/20210318193112_init.Designer.cs
similarity index 92%
rename from LuminousSales/Models/Migrations/20210318105825_init.Designer.cs
rename to LuminousSales/Models/Migrations/20210318193112_init.Designer.cs
index f835cde..4033470 100644
--- a/LuminousSales/Models/Migrations/20210318105825_init.Designer.cs
+++ b/LuminousSales/Models/Migrations/20210318193112_init.Designer.cs
@@ -10,7 +10,7 @@ using Models;
 namespace Data.Migrations
 {
     [DbContext(typeof(LuminousContext))]
-    [Migration("20210318105825_init")]
+    [Migration("20210318193112_init")]
     partial class init
     {
         protected override void BuildTargetModel(ModelBuilder modelBuilder)
@@ -34,11 +34,8 @@ namespace Data.Migrations
                     b.Property<int>("ProductId")
                         .HasColumnType("int");
 
-                    b.Property<byte[]>("Time")
-                        .IsConcurrencyToken()
-                        .IsRequired()
-                        .ValueGeneratedOnAddOrUpdate()
-                        .HasColumnType("rowversion");
+                    b.Property<DateTime>("Time")
+                        .HasColumnType("datetime2");
 
                     b.Property<int>("UserId")
                         .HasColumnType("int");
@@ -109,11 +106,8 @@ namespace Data.Migrations
                     b.Property<int>("ProductId")
                         .HasColumnType("int");
 
-                    b.Property<byte[]>("Time")
-                        .IsConcurrencyToken()
-                        .IsRequired()
-                        .ValueGeneratedOnAddOrUpdate()
-                        .HasColumnType("rowversion");
+                    b.Property<DateTime>("Time")
+                        .HasColumnType("datetime2");
 
                     b.Property<int>("UserId")
                         .HasColumnType("int");
diff --git a/LuminousSales/Models/Migrations/20210318105825_init.cs b/LuminousSales/Models/Migrations/20210318193112_init.cs
similarity index 97%
rename from LuminousSales/Models/Migrations/20210318105825_init.cs
rename to LuminousSales/Models/Migrations/20210318193112_init.cs
index ec2bf8f..e964aea 100644
--- a/LuminousSales/Models/Migrations/20210318105825_init.cs
+++ b/LuminousSales/Models/Migrations/20210318193112_init.cs
@@ -65,7 +65,7 @@ namespace Data.Migrations
                     UserId = table.Column<int>(nullable: false),
                     ProductId = table.Column<int>(nullable: false),
                     Amount = table.Column<double>(nullable: false),
-                    Time = table.Column<byte[]>(rowVersion: true, nullable: false)
+                    Time = table.Column<DateTime>(nullable: false)
                 },
                 constraints: table =>
                 {
@@ -93,7 +93,7 @@ namespace Data.Migrations
                     UserId = table.Column<int>(nullable: false),
                     ProductId = table.Column<int>(nullable: false),
                     Amount = table.Column<double>(nullable: false),
-                    Time = table.Column<byte[]>(rowVersion: true, nullable: false)
+                    Time = table.Column<DateTime>(nullable: false)
                 },
                 constraints: table =>
                 {
diff --git a/LuminousSales/Models/Migrations/LuminousContextModelSnapshot.cs b/LuminousSales/Models/Migrations/LuminousContextModelSnapshot.cs
index 05368e7..fcbad47 100644
--- a/LuminousSales/Models/Migrations/LuminousContextModelSnapshot.cs
+++ b/LuminousSales/Models/Migrations/LuminousContextModelSnapshot.cs
@@ -32,11 +32,8 @@ namespace Data.Migrations
                     b.Property<int>("ProductId")
                         .HasColumnType("int");
 
-                    b.Property<byte[]>("Time")
-                        .IsConcurrencyToken()
-                        .IsRequired()
-                        .ValueGeneratedOnAddOrUpdate()
-                        .HasColumnType("rowversion");
+                    b.Property<DateTime>("Time")
+                        .HasColumnType("datetime2");
 
                     b.Property<int>("UserId")
                         .HasColumnType("int");
@@ -107,11 +104,8 @@ namespace Data.Migrations
                     b.Property<int>("ProductId")
                         .HasColumnType("int");
 
-                    b.Property<byte[]>("Time")
-                        .IsConcurrencyToken()
-                        .IsRequired()
-                        .ValueGeneratedOnAddOrUpdate()
-                        .HasColumnType("rowversion");
+                    b.Property<DateTime>("Time")
+                        .HasColumnType("datetime2");
 
                     b.Property<int>("UserId")
                         .HasColumnType("int");
diff --git a/LuminousSales/Models/Models/Base/BaseSales.cs b/LuminousSales/Models/Models/Base/BaseSales.cs
index 6135325..3fbf1f1 100644
--- a/LuminousSales/Models/Models/Base/BaseSales.cs
+++ b/LuminousSales/Models/Models/Base/BaseSales.cs
@@ -33,8 +33,8 @@ namespace Data.Base
         public virtual Product Products { get; set; }
         [Required]
         public double Amount { get; set; }
-        [Timestamp]
+        // [DataType(DataType.DateTime)]
         [Required]
-        public byte[] Time { get; set; }
+        public DateTime Time { get; set; }
     }
 }