diff --git a/src/IoC/IoC/Container.cs b/src/IoC/IoC/Container.cs
new file mode 100644
index 0000000..118add0
--- /dev/null
+++ b/src/IoC/IoC/Container.cs
@@ -0,0 +1,26 @@
+using Autofac;
+using IoC.implement;
+using IoC.inerface;
+
+namespace IoC
+{
+    public class Container
+    {
+        /// <summary>
+        /// 仲介公司
+        /// </summary>
+        /// <returns></returns>
+        public static IContainer MiddleCompany()
+        {
+            ContainerBuilder builder = new ContainerBuilder();
+
+            //在仲介公司裡寫需求人申請單
+            builder.RegisterType<MineWithMiddle>();
+            //小明所需打掃阿姨需求
+            builder.RegisterType<Aunt>().As<ISwapable>();
+
+            return builder.Build();
+        }
+
+    }
+}
diff --git a/src/IoC/IoC/IoC.csproj b/src/IoC/IoC/IoC.csproj
index b6eb4ed..2c6e46f 100644
--- a/src/IoC/IoC/IoC.csproj
+++ b/src/IoC/IoC/IoC.csproj
@@ -37,7 +37,6 @@
   <ItemGroup>
     <Reference Include="Autofac, Version=4.6.2.0, Culture=neutral, PublicKeyToken=17863af14b0044da, processorArchitecture=MSIL">
       <HintPath>..\packages\Autofac.4.6.2\lib\net45\Autofac.dll</HintPath>
-      <Private>True</Private>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
@@ -52,6 +51,9 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="Container.cs" />
+    <Compile Include="implement\Aunt.cs" />
+    <Compile Include="inerface\ISwapable.cs" />
     <Compile Include="Program.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>
@@ -59,6 +61,7 @@
     <None Include="app.config" />
     <None Include="packages.config" />
   </ItemGroup>
+  <ItemGroup />
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
diff --git a/src/IoC/IoC/Program.cs b/src/IoC/IoC/Program.cs
index 42575e2..3d1fc0a 100644
--- a/src/IoC/IoC/Program.cs
+++ b/src/IoC/IoC/Program.cs
@@ -1,4 +1,6 @@
 using Autofac;
+using IoC.implement;
+using IoC.inerface;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -7,6 +9,7 @@ using System.Text;
 namespace IoC
 {
     /// <summary>
+    /// (沒有注入的)
     /// 小明直接依賴 Aunt 不是依賴抽象
     /// 日後要改必須動內部
     /// </summary>
@@ -21,7 +24,7 @@ namespace IoC
     }
 
     /// <summary>
-    /// 小明
+    /// 小明 ( 有注入的 )
     /// </summary>
     public class MineWithMiddle
     {
@@ -43,35 +46,20 @@ namespace IoC
     }
 
 
-    /// <summary>
-    /// 依賴抽象[打掃動作的人]
-    /// </summary>
-    public class Aunt : ISwapable
-    {
-        public void Swapping()
-        {
-            Console.WriteLine("Aunt Swapping");
-        }
-    }
-
-    /// <summary>
-    /// 打掃動作
-    /// </summary>
-    public interface ISwapable
-    {
-        void Swapping();
-    }
-
-   
-
     class Program
     {
         static void Main(string[] args)
         {
+            // 沒有注入的
             Mine mine = new Mine();
             mine.Room();
 
-            IContainer middleCompany = MiddleCompany();
+            //========================
+
+
+
+            // 有注入的
+            IContainer middleCompany = Container.MiddleCompany();
             //仲介公司(IOC AutoFac)自動幫小明注入一個打掃阿姨
             MineWithMiddle mineWithMiddle = middleCompany.Resolve<MineWithMiddle>();
 
@@ -80,20 +68,5 @@ namespace IoC
             Console.ReadKey();
         }
 
-        /// <summary>
-        /// 仲介公司
-        /// </summary>
-        /// <returns></returns>
-        private static IContainer MiddleCompany()
-        {
-            ContainerBuilder builder = new ContainerBuilder();
-
-            //在仲介公司裡寫需求人申請單
-            builder.RegisterType<MineWithMiddle>();
-            //小明所需打掃阿姨需求
-            builder.RegisterType<Aunt>().As<ISwapable>();
-
-            return builder.Build();
-        }
     }
 }
diff --git a/src/IoC/IoC/implement/Aunt.cs b/src/IoC/IoC/implement/Aunt.cs
new file mode 100644
index 0000000..ce3ddad
--- /dev/null
+++ b/src/IoC/IoC/implement/Aunt.cs
@@ -0,0 +1,16 @@
+using IoC.inerface;
+using System;
+
+namespace IoC.implement
+{
+    /// <summary>
+    /// 依賴抽象[打掃動作的人]
+    /// </summary>
+    public class Aunt : ISwapable
+    {
+        public void Swapping()
+        {
+            Console.WriteLine("Aunt Swapping");
+        }
+    }
+}
diff --git a/src/IoC/IoC/inerface/ISwapable.cs b/src/IoC/IoC/inerface/ISwapable.cs
new file mode 100644
index 0000000..4ba3cef
--- /dev/null
+++ b/src/IoC/IoC/inerface/ISwapable.cs
@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace IoC.inerface
+{
+    /// <summary>
+    /// 打掃動作
+    /// </summary>
+    public interface ISwapable
+    {
+        void Swapping();
+    }
+}