diff --git a/HttpClientStudy.Service/Class1.cs b/HttpClientStudy.Service/Class1.cs
new file mode 100644
index 0000000..2ad76ce
--- /dev/null
+++ b/HttpClientStudy.Service/Class1.cs
@@ -0,0 +1,7 @@
+namespace HttpClientStudy.Service
+{
+    public class Class1
+    {
+
+    }
+}
diff --git a/HttpClientStudy.Service/HttpClientStudy.Service.csproj b/HttpClientStudy.Service/HttpClientStudy.Service.csproj
new file mode 100644
index 0000000..ef7db5c
--- /dev/null
+++ b/HttpClientStudy.Service/HttpClientStudy.Service.csproj
@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\HttpClientStudy.Core\HttpClientStudy.Core.csproj" />
+    <ProjectReference Include="..\HttpClientStudy.Model\HttpClientStudy.Model.csproj" />
+  </ItemGroup>
+
+</Project>
diff --git a/HttpClientStudy.UnitTest/HttpClientStudy.UnitTest.csproj b/HttpClientStudy.UnitTest/HttpClientStudy.UnitTest.csproj
index 8c57447..33f9b28 100644
--- a/HttpClientStudy.UnitTest/HttpClientStudy.UnitTest.csproj
+++ b/HttpClientStudy.UnitTest/HttpClientStudy.UnitTest.csproj
@@ -24,6 +24,8 @@
 
   <ItemGroup>
     <ProjectReference Include="..\HttpClientStudy.Core\HttpClientStudy.Core.csproj" />
+    <ProjectReference Include="..\HttpClientStudy.Model\HttpClientStudy.Model.csproj" />
+    <ProjectReference Include="..\HttpClientStudy.Service\HttpClientStudy.Service.csproj" />
   </ItemGroup>
 
 </Project>
diff --git a/HttpClientStudy.WebApp/HttpClientStudy.WebApp.csproj b/HttpClientStudy.WebApp/HttpClientStudy.WebApp.csproj
index 3888da3..d0856be 100644
--- a/HttpClientStudy.WebApp/HttpClientStudy.WebApp.csproj
+++ b/HttpClientStudy.WebApp/HttpClientStudy.WebApp.csproj
@@ -8,11 +8,14 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Swashbuckle.AspNetCore" Version="6.4.0" />
+    <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="8.0.0" />
+    <PackageReference Include="Swashbuckle.AspNetCore" Version="6.5.0" />
   </ItemGroup>
 
   <ItemGroup>
     <ProjectReference Include="..\HttpClientStudy.Core\HttpClientStudy.Core.csproj" />
+    <ProjectReference Include="..\HttpClientStudy.Model\HttpClientStudy.Model.csproj" />
+    <ProjectReference Include="..\HttpClientStudy.Service\HttpClientStudy.Service.csproj" />
   </ItemGroup>
 
 </Project>
diff --git a/HttpClientStudy.sln b/HttpClientStudy.sln
index 699e9e6..40c3f2c 100644
--- a/HttpClientStudy.sln
+++ b/HttpClientStudy.sln
@@ -3,13 +3,15 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
 VisualStudioVersion = 17.8.34330.188
 MinimumVisualStudioVersion = 10.0.40219.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "HttpClientStudy.Core", "HttpClientStudy.Core\HttpClientStudy.Core.csproj", "{FFE91C0C-A652-471A-8740-E30E1CD8CE43}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "HttpClientStudy.Core", "HttpClientStudy.Core\HttpClientStudy.Core.csproj", "{FFE91C0C-A652-471A-8740-E30E1CD8CE43}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "HttpClientStudy.Model", "HttpClientStudy.Model\HttpClientStudy.Model.csproj", "{E1FB0047-B5D7-48D5-9220-21E01592FF03}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "HttpClientStudy.Model", "HttpClientStudy.Model\HttpClientStudy.Model.csproj", "{E1FB0047-B5D7-48D5-9220-21E01592FF03}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "HttpClientStudy.WebApp", "HttpClientStudy.WebApp\HttpClientStudy.WebApp.csproj", "{D073CC8A-FB75-4957-AF64-5A2C695D93E6}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "HttpClientStudy.WebApp", "HttpClientStudy.WebApp\HttpClientStudy.WebApp.csproj", "{D073CC8A-FB75-4957-AF64-5A2C695D93E6}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "HttpClientStudy.UnitTest", "HttpClientStudy.UnitTest\HttpClientStudy.UnitTest.csproj", "{A64DAAE3-9FDA-4B37-AE87-FA0812DBF5A9}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "HttpClientStudy.UnitTest", "HttpClientStudy.UnitTest\HttpClientStudy.UnitTest.csproj", "{A64DAAE3-9FDA-4B37-AE87-FA0812DBF5A9}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "HttpClientStudy.Service", "HttpClientStudy.Service\HttpClientStudy.Service.csproj", "{5FB70481-4D39-4C90-9DAC-9453BBABD860}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -33,6 +35,10 @@ Global
 		{A64DAAE3-9FDA-4B37-AE87-FA0812DBF5A9}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{A64DAAE3-9FDA-4B37-AE87-FA0812DBF5A9}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{A64DAAE3-9FDA-4B37-AE87-FA0812DBF5A9}.Release|Any CPU.Build.0 = Release|Any CPU
+		{5FB70481-4D39-4C90-9DAC-9453BBABD860}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{5FB70481-4D39-4C90-9DAC-9453BBABD860}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{5FB70481-4D39-4C90-9DAC-9453BBABD860}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{5FB70481-4D39-4C90-9DAC-9453BBABD860}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE