diff --git a/WinForm/AppView/AppView.csproj b/WinForm/AppView/AppView.csproj
index b57c89e..f590051 100644
--- a/WinForm/AppView/AppView.csproj
+++ b/WinForm/AppView/AppView.csproj
@@ -8,4 +8,17 @@
     <ImplicitUsings>enable</ImplicitUsings>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="7.0.13">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\Contracts\Contracts.csproj" />
+    <ProjectReference Include="..\DataBaseImplement\DataBaseImplement.csproj" />
+    <ProjectReference Include="..\WinFormsLibrary\WinFormsLibrary.csproj" />
+  </ItemGroup>
+
 </Project>
\ No newline at end of file
diff --git a/WinForm/Contracts/Contracts.csproj b/WinForm/Contracts/Contracts.csproj
index 132c02c..2e520d2 100644
--- a/WinForm/Contracts/Contracts.csproj
+++ b/WinForm/Contracts/Contracts.csproj
@@ -6,4 +6,8 @@
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
+  <ItemGroup>
+    <ProjectReference Include="..\DataModels\DataModels.csproj" />
+  </ItemGroup>
+
 </Project>
diff --git a/WinForm/DataBaseImplement/DataBaseImplement.csproj b/WinForm/DataBaseImplement/DataBaseImplement.csproj
index 7ca6022..8b55132 100644
--- a/WinForm/DataBaseImplement/DataBaseImplement.csproj
+++ b/WinForm/DataBaseImplement/DataBaseImplement.csproj
@@ -8,6 +8,10 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.EntityFrameworkCore" Version="7.0.13" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="7.0.13">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
     <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="7.0.11" />
   </ItemGroup>
 
diff --git a/WinForm/WinForm.sln b/WinForm/WinForm.sln
index 2932ba5..a2e3c86 100644
--- a/WinForm/WinForm.sln
+++ b/WinForm/WinForm.sln
@@ -11,6 +11,10 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DataModels", "DataModels\Da
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Contracts", "Contracts\Contracts.csproj", "{B90EEDCA-96C8-4E5C-9C5B-7F663023802D}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DataBaseImplement", "DataBaseImplement\DataBaseImplement.csproj", "{E94AC3C7-A9BB-4262-9C87-5DF8E03B643B}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AppView", "AppView\AppView.csproj", "{9BD73EC6-6B32-4CBB-8D04-9D4650562846}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -33,6 +37,14 @@ Global
 		{B90EEDCA-96C8-4E5C-9C5B-7F663023802D}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{B90EEDCA-96C8-4E5C-9C5B-7F663023802D}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{B90EEDCA-96C8-4E5C-9C5B-7F663023802D}.Release|Any CPU.Build.0 = Release|Any CPU
+		{E94AC3C7-A9BB-4262-9C87-5DF8E03B643B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{E94AC3C7-A9BB-4262-9C87-5DF8E03B643B}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{E94AC3C7-A9BB-4262-9C87-5DF8E03B643B}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{E94AC3C7-A9BB-4262-9C87-5DF8E03B643B}.Release|Any CPU.Build.0 = Release|Any CPU
+		{9BD73EC6-6B32-4CBB-8D04-9D4650562846}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{9BD73EC6-6B32-4CBB-8D04-9D4650562846}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{9BD73EC6-6B32-4CBB-8D04-9D4650562846}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{9BD73EC6-6B32-4CBB-8D04-9D4650562846}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE