diff --git a/AutoFacSamles.sln b/AutoFacSamles.sln
index ae24021..4da1c53 100644
--- a/AutoFacSamles.sln
+++ b/AutoFacSamles.sln
@@ -7,6 +7,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AutoFacSamles", "AutoFacSam
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PatternDemoCore", "PatternDemoCore\PatternDemoCore.csproj", "{D8041EF1-F2AC-4A04-A7A5-56E2CB6F249C}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PatternDemoCore2", "PatternDemo2\PatternDemoCore2.csproj", "{2152A909-E97C-453A-8A6C-869F7987D7B5}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -21,6 +23,10 @@ Global
 		{D8041EF1-F2AC-4A04-A7A5-56E2CB6F249C}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{D8041EF1-F2AC-4A04-A7A5-56E2CB6F249C}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{D8041EF1-F2AC-4A04-A7A5-56E2CB6F249C}.Release|Any CPU.Build.0 = Release|Any CPU
+		{2152A909-E97C-453A-8A6C-869F7987D7B5}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{2152A909-E97C-453A-8A6C-869F7987D7B5}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{2152A909-E97C-453A-8A6C-869F7987D7B5}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{2152A909-E97C-453A-8A6C-869F7987D7B5}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/PatternDemo2/PatternDemoCore2.csproj b/PatternDemo2/PatternDemoCore2.csproj
new file mode 100644
index 0000000..d1ec505
--- /dev/null
+++ b/PatternDemo2/PatternDemoCore2.csproj
@@ -0,0 +1,12 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Autofac" Version="6.0.0" />
+  </ItemGroup>
+
+</Project>
diff --git a/PatternDemo2/Program.cs b/PatternDemo2/Program.cs
new file mode 100644
index 0000000..232b0a1
--- /dev/null
+++ b/PatternDemo2/Program.cs
@@ -0,0 +1,46 @@
+using Autofac;
+using System;
+
+namespace PatternDemoCore
+{
+
+    public class Entity
+    {
+        private static Random random = new Random();
+        private int number;
+
+        public Entity()
+        {
+            number = random.Next();
+        }
+
+        public override string ToString()
+        {
+            return $"test {number}";
+        }
+    }
+
+    public class ViewModel
+    {
+        private readonly IContainer container;
+
+        public ViewModel(IContainer container)
+        {
+            this.container = container;
+        }
+
+        public void Method()
+        {
+            var entity = container.Resolve<Entity>();
+        }
+    }
+
+
+    public class  Demo
+    {
+        static void Main(string[] args)
+        {
+            Console.WriteLine("Hello World!");
+        }
+    }
+}