diff --git a/XUnitDIStudy.Model/Student.cs b/XUnitDIStudy.Model/Student.cs
new file mode 100644
index 0000000..1a47c94
--- /dev/null
+++ b/XUnitDIStudy.Model/Student.cs
@@ -0,0 +1,13 @@
+using System;
+
+namespace XUnitDIStudy.Model
+{
+    public class Student
+    {
+        public int Id { get; set; }
+
+        public string Name { get; set; }
+
+        public int Age { get; set; }
+    }
+}
diff --git a/XUnitDIStudy.Model/XUnitDIStudy.Model.csproj b/XUnitDIStudy.Model/XUnitDIStudy.Model.csproj
new file mode 100644
index 0000000..9f5c4f4
--- /dev/null
+++ b/XUnitDIStudy.Model/XUnitDIStudy.Model.csproj
@@ -0,0 +1,7 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netstandard2.0</TargetFramework>
+  </PropertyGroup>
+
+</Project>
diff --git a/XUnitDIStudy.Service/IStudentService.cs b/XUnitDIStudy.Service/IStudentService.cs
new file mode 100644
index 0000000..bddc1f4
--- /dev/null
+++ b/XUnitDIStudy.Service/IStudentService.cs
@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+
+using XUnitDIStudy.Model;
+
+namespace XUnitDIStudy.Service
+{
+    public interface IStudentService
+    {
+        List<Student> GetAll();
+    }
+}
diff --git a/XUnitDIStudy.Service/StudentService.cs b/XUnitDIStudy.Service/StudentService.cs
new file mode 100644
index 0000000..eb32cec
--- /dev/null
+++ b/XUnitDIStudy.Service/StudentService.cs
@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+
+using XUnitDIStudy.Model;
+
+namespace XUnitDIStudy.Service
+{
+    public class StudentService:IStudentService
+    {
+        public List<Student> GetAll()
+        {
+            return new List<Student>()
+            {
+                new Student(){Id=1,Name="乔峰",Age=18 },
+                new Student(){Id=1,Name="段誉",Age=16 },
+                new Student(){Id=1,Name="阿紫",Age=20 },
+                new Student(){Id=1,Name="阿娇",Age=15 },
+            };
+        }
+    }
+}
diff --git a/XUnitDIStudy.Service/XUnitDIStudy.Service.csproj b/XUnitDIStudy.Service/XUnitDIStudy.Service.csproj
new file mode 100644
index 0000000..c89644f
--- /dev/null
+++ b/XUnitDIStudy.Service/XUnitDIStudy.Service.csproj
@@ -0,0 +1,11 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netstandard2.0</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\XUnitDIStudy.Model\XUnitDIStudy.Model.csproj" />
+  </ItemGroup>
+
+</Project>
diff --git a/XUnitDIStudy.Test/Startup.cs b/XUnitDIStudy.Test/Startup.cs
new file mode 100644
index 0000000..8cc5433
--- /dev/null
+++ b/XUnitDIStudy.Test/Startup.cs
@@ -0,0 +1,73 @@
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+
+using Microsoft.AspNetCore.TestHost;
+
+using System;
+using System.Collections.Generic;
+
+using XUnitDIStudy.Service;
+
+namespace XUnitDIStudy.Test
+{
+    public class Startup
+    {
+        /// <summary>
+        /// 自定义 host 构建
+        /// </summary>
+        /// <param name="hostBuilder"></param>
+        public void ConfigureHost(IHostBuilder hostBuilder)
+        {
+            hostBuilder
+                .ConfigureWebHost(config =>
+                {
+                    config
+                    .UseTestServer()
+                    .UseStartup<WebApp.Startup>();
+                })
+                .ConfigureAppConfiguration(builder =>
+                {
+                    // 注册配置
+                    builder
+                        .AddInMemoryCollection(new Dictionary<string, string>()
+                        {
+                            {"UserName", "Alice"}
+                        })
+                        .AddJsonFile("appsettings.json");
+                })
+                .ConfigureServices((context, services) =>
+                {
+                    // 注册自定义服务
+                    services.AddSingleton<IStudentService,StudentService>();
+
+                    if (context.Configuration.GetValue<bool>("EnableDemo"))
+                    {
+                        
+                    }
+                });
+        }
+
+        /// <summary>
+        /// 注册服务(支持以下三种)
+        /// ConfigureServices(IServiceCollection services)
+        /// ConfigureServices(IServiceCollection services, HostBuilderContext hostBuilderContext)
+        /// ConfigureServices(HostBuilderContext hostBuilderContext, IServiceCollection services)
+        /// </summary>
+        public void ConfigureServices(IServiceCollection services, HostBuilderContext hostBuilderContext)
+        {
+            
+        }
+
+        
+        /// <summary>
+        /// 配置服务:类似于 asp.net core 里 Configure 方法
+        /// 可以注册已经注册的自定义服务
+        /// </summary>
+        public void Configure(IServiceProvider applicationServices)
+        {
+
+        }
+    }
+}
diff --git a/XUnitDIStudy.Test/UseXUnit.cs b/XUnitDIStudy.Test/UseXUnit.cs
new file mode 100644
index 0000000..6a13f3a
--- /dev/null
+++ b/XUnitDIStudy.Test/UseXUnit.cs
@@ -0,0 +1,15 @@
+using System;
+
+using Xunit;
+
+namespace XUnitDIStudy.Test
+{
+    public class UseXUnit
+    {
+        [Fact]
+        public void UseXunit_Test()
+        {
+            Assert.True(true,"ʹ��XUnit");
+        }
+    }
+}
diff --git a/XUnitDIStudy.Test/XUnitDIStudy.Test.csproj b/XUnitDIStudy.Test/XUnitDIStudy.Test.csproj
new file mode 100644
index 0000000..afd730a
--- /dev/null
+++ b/XUnitDIStudy.Test/XUnitDIStudy.Test.csproj
@@ -0,0 +1,30 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net5.0</TargetFramework>
+
+    <IsPackable>false</IsPackable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="FluentAssertions" Version="5.10.3" />
+    <PackageReference Include="Microsoft.AspNetCore.TestHost" Version="5.0.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.8.3" />
+    <PackageReference Include="xunit" Version="2.4.1" />
+    <PackageReference Include="Xunit.DependencyInjection" Version="7.1.0" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+    <PackageReference Include="coverlet.collector" Version="1.3.0">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\XUnitDIStudy.Service\XUnitDIStudy.Service.csproj" />
+    <ProjectReference Include="..\XUnitDIStudy.WebApp\XUnitDIStudy.WebApp.csproj" />
+  </ItemGroup>
+
+</Project>
diff --git a/XUnitDIStudy.WebApp/Controllers/DefaultController.cs b/XUnitDIStudy.WebApp/Controllers/DefaultController.cs
new file mode 100644
index 0000000..6a8f8fe
--- /dev/null
+++ b/XUnitDIStudy.WebApp/Controllers/DefaultController.cs
@@ -0,0 +1,49 @@
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.Logging;
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+using XUnitDIStudy.Model;
+using XUnitDIStudy.Service;
+
+namespace XUnitDIStudy.WebApp.Controllers
+{
+    /// <summary>
+    /// 默认控制器
+    /// </summary>
+    [ApiController]
+    [Route("[controller]/[action]")]
+    public class DefaultController : ControllerBase
+    {
+        private readonly ILogger<DefaultController> _logger;
+        private readonly StudentService _studentService;
+
+        public DefaultController(ILogger<DefaultController> logger, StudentService studentService)
+        {
+            _logger = logger;
+            _studentService = studentService;
+        }
+
+        /// <summary>
+        /// 获取所有学生
+        /// </summary>
+        [HttpGet]
+        public List<Student> GetAll()
+        {
+            var list = _studentService.GetAll();
+            return list;
+        }
+
+        /// <summary>
+        /// 获取学生
+        /// </summary>
+        [HttpGet]
+        public Student Get()
+        {
+            return new Student() { Id=10,Name="小三",Age =90};
+        }
+    }
+}
diff --git a/XUnitDIStudy.WebApp/Program.cs b/XUnitDIStudy.WebApp/Program.cs
new file mode 100644
index 0000000..be8d0f6
--- /dev/null
+++ b/XUnitDIStudy.WebApp/Program.cs
@@ -0,0 +1,27 @@
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace XUnitDIStudy.WebApp
+{
+    public class Program
+    {
+        public static void Main(string[] args)
+        {
+            CreateHostBuilder(args).Build().Run();
+        }
+
+        public static IHostBuilder CreateHostBuilder(string[] args) =>
+            Host.CreateDefaultBuilder(args)
+                .ConfigureWebHostDefaults(webBuilder =>
+                {
+                    webBuilder.UseStartup<Startup>();
+                });
+    }
+}
diff --git a/XUnitDIStudy.WebApp/Properties/launchSettings.json b/XUnitDIStudy.WebApp/Properties/launchSettings.json
new file mode 100644
index 0000000..97ade7c
--- /dev/null
+++ b/XUnitDIStudy.WebApp/Properties/launchSettings.json
@@ -0,0 +1,31 @@
+{
+  "$schema": "http://json.schemastore.org/launchsettings.json",
+  "iisSettings": {
+    "windowsAuthentication": false,
+    "anonymousAuthentication": true,
+    "iisExpress": {
+      "applicationUrl": "http://localhost:29571",
+      "sslPort": 0
+    }
+  },
+  "profiles": {
+    "IIS Express": {
+      "commandName": "IISExpress",
+      "launchBrowser": true,
+      "launchUrl": "swagger",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "XUnitDIStudy.WebApp": {
+      "commandName": "Project",
+      "dotnetRunMessages": "true",
+      "launchBrowser": true,
+      "launchUrl": "swagger",
+      "applicationUrl": "http://localhost:5000",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    }
+  }
+}
diff --git a/XUnitDIStudy.WebApp/Startup.cs b/XUnitDIStudy.WebApp/Startup.cs
new file mode 100644
index 0000000..aff4516
--- /dev/null
+++ b/XUnitDIStudy.WebApp/Startup.cs
@@ -0,0 +1,65 @@
+using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+using Microsoft.OpenApi.Models;
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace XUnitDIStudy.WebApp
+{
+    public class Startup
+    {
+        public Startup(IConfiguration configuration)
+        {
+            Configuration = configuration;
+        }
+
+        public IConfiguration Configuration { get; }
+
+        public void ConfigureServices(IServiceCollection services)
+        {
+            services.AddControllers();
+            services.AddSwaggerGen(c =>
+            {
+                c.SwaggerDoc("v1", new OpenApiInfo { Title = "XUnitDIStudy.WebApp", Version = "v1" });
+            });
+        }
+
+        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
+        {
+            if (env.IsDevelopment())
+            {
+                app.UseDeveloperExceptionPage();
+
+                app.UseSwagger(setup=> 
+                { 
+                                   
+                });
+                app.UseSwaggerUI(c => 
+                {
+                    c.SwaggerEndpoint("/swagger/v1/swagger.json", "XUnitDIStudy.WebApp v1");
+
+                    //expression����Ϊ��ʼ�����ַ���
+                    c.EnableFilter(expression:"");
+                    
+                });
+            }
+
+            app.UseRouting();
+
+            app.UseAuthorization();
+
+            app.UseEndpoints(endpoints =>
+            {
+                endpoints.MapControllers();
+            });
+        }
+    }
+}
diff --git a/XUnitDIStudy.WebApp/XUnitDIStudy.WebApp.csproj b/XUnitDIStudy.WebApp/XUnitDIStudy.WebApp.csproj
new file mode 100644
index 0000000..76fefcf
--- /dev/null
+++ b/XUnitDIStudy.WebApp/XUnitDIStudy.WebApp.csproj
@@ -0,0 +1,17 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net5.0</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="5.0.1" NoWarn="NU1605" />
+    <PackageReference Include="Microsoft.AspNetCore.Authentication.OpenIdConnect" Version="5.0.1" NoWarn="NU1605" />
+    <PackageReference Include="Swashbuckle.AspNetCore" Version="5.6.3" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\XUnitDIStudy.Service\XUnitDIStudy.Service.csproj" />
+  </ItemGroup>
+
+</Project>
diff --git a/XUnitDIStudy.WebApp/appsettings.Development.json b/XUnitDIStudy.WebApp/appsettings.Development.json
new file mode 100644
index 0000000..8983e0f
--- /dev/null
+++ b/XUnitDIStudy.WebApp/appsettings.Development.json
@@ -0,0 +1,9 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft": "Warning",
+      "Microsoft.Hosting.Lifetime": "Information"
+    }
+  }
+}
diff --git a/XUnitDIStudy.WebApp/appsettings.json b/XUnitDIStudy.WebApp/appsettings.json
new file mode 100644
index 0000000..a929521
--- /dev/null
+++ b/XUnitDIStudy.WebApp/appsettings.json
@@ -0,0 +1,11 @@
+{
+  "EnableDemo": true,
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft": "Warning",
+      "Microsoft.Hosting.Lifetime": "Information"
+    }
+  },
+  "AllowedHosts": "*"
+}
diff --git a/XUnitDIStudy.sln b/XUnitDIStudy.sln
new file mode 100644
index 0000000..25bb58b
--- /dev/null
+++ b/XUnitDIStudy.sln
@@ -0,0 +1,43 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.30804.86
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "XUnitDIStudy.Service", "XUnitDIStudy.Service\XUnitDIStudy.Service.csproj", "{12105FBE-85A9-4B2A-88F9-3EDF67C8CD5F}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "XUnitDIStudy.WebApp", "XUnitDIStudy.WebApp\XUnitDIStudy.WebApp.csproj", "{4E18B97C-D40D-449E-AB78-F97B5D4913F3}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "XUnitDIStudy.Test", "XUnitDIStudy.Test\XUnitDIStudy.Test.csproj", "{4D1A2657-8B91-49CD-97C3-F34FD3D6DCB8}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "XUnitDIStudy.Model", "XUnitDIStudy.Model\XUnitDIStudy.Model.csproj", "{706B4560-0B72-4EE8-9AF5-1907BB2CCCDB}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{12105FBE-85A9-4B2A-88F9-3EDF67C8CD5F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{12105FBE-85A9-4B2A-88F9-3EDF67C8CD5F}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{12105FBE-85A9-4B2A-88F9-3EDF67C8CD5F}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{12105FBE-85A9-4B2A-88F9-3EDF67C8CD5F}.Release|Any CPU.Build.0 = Release|Any CPU
+		{4E18B97C-D40D-449E-AB78-F97B5D4913F3}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{4E18B97C-D40D-449E-AB78-F97B5D4913F3}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{4E18B97C-D40D-449E-AB78-F97B5D4913F3}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{4E18B97C-D40D-449E-AB78-F97B5D4913F3}.Release|Any CPU.Build.0 = Release|Any CPU
+		{4D1A2657-8B91-49CD-97C3-F34FD3D6DCB8}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{4D1A2657-8B91-49CD-97C3-F34FD3D6DCB8}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{4D1A2657-8B91-49CD-97C3-F34FD3D6DCB8}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{4D1A2657-8B91-49CD-97C3-F34FD3D6DCB8}.Release|Any CPU.Build.0 = Release|Any CPU
+		{706B4560-0B72-4EE8-9AF5-1907BB2CCCDB}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{706B4560-0B72-4EE8-9AF5-1907BB2CCCDB}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{706B4560-0B72-4EE8-9AF5-1907BB2CCCDB}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{706B4560-0B72-4EE8-9AF5-1907BB2CCCDB}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {F7A69734-95DF-437A-92F2-D8805ED1A10D}
+	EndGlobalSection
+EndGlobal