diff --git a/OshimaCore/OshimaCore.csproj b/OshimaCore/OshimaCore.csproj
index 1496492..137753e 100644
--- a/OshimaCore/OshimaCore.csproj
+++ b/OshimaCore/OshimaCore.csproj
@@ -19,9 +19,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <Reference Include="FunGame.Core">
-      <HintPath>..\..\FunGame.Core\bin\Debug\net9.0\FunGame.Core.dll</HintPath>
-    </Reference>
+    <ProjectReference Include="..\..\FunGame.Core\FunGame.Core.csproj" />
   </ItemGroup>
 
 </Project>
diff --git a/OshimaGameModule.sln b/OshimaGameModule.sln
index b0c6cb1..9cc4fab 100644
--- a/OshimaGameModule.sln
+++ b/OshimaGameModule.sln
@@ -15,6 +15,10 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "OshimaWebAPI", "OshimaWebAP
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "OshimaCore", "OshimaCore\OshimaCore.csproj", "{E0E709F9-755C-4BE7-915C-9B0A8CBBBF34}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FunGame.Core", "..\FunGame.Core\FunGame.Core.csproj", "{4F243854-428F-4252-AE9A-81FB2D8EEBD7}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FunGame.Desktop", "..\FunGame.Desktop\FunGame.Desktop\FunGame.Desktop.csproj", "{E593DA0E-DD26-4CEA-A402-09911B8C0517}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -45,6 +49,14 @@ Global
 		{E0E709F9-755C-4BE7-915C-9B0A8CBBBF34}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{E0E709F9-755C-4BE7-915C-9B0A8CBBBF34}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{E0E709F9-755C-4BE7-915C-9B0A8CBBBF34}.Release|Any CPU.Build.0 = Release|Any CPU
+		{4F243854-428F-4252-AE9A-81FB2D8EEBD7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{4F243854-428F-4252-AE9A-81FB2D8EEBD7}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{4F243854-428F-4252-AE9A-81FB2D8EEBD7}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{4F243854-428F-4252-AE9A-81FB2D8EEBD7}.Release|Any CPU.Build.0 = Release|Any CPU
+		{E593DA0E-DD26-4CEA-A402-09911B8C0517}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{E593DA0E-DD26-4CEA-A402-09911B8C0517}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{E593DA0E-DD26-4CEA-A402-09911B8C0517}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{E593DA0E-DD26-4CEA-A402-09911B8C0517}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/OshimaMaps/OshimaMaps.csproj b/OshimaMaps/OshimaMaps.csproj
index 508a472..b752638 100644
--- a/OshimaMaps/OshimaMaps.csproj
+++ b/OshimaMaps/OshimaMaps.csproj
@@ -19,13 +19,8 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <ProjectReference Include="..\..\FunGame.Core\FunGame.Core.csproj" />
     <ProjectReference Include="..\OshimaCore\OshimaCore.csproj" />
   </ItemGroup>
 
-  <ItemGroup>
-    <Reference Include="FunGame.Core">
-      <HintPath>..\..\FunGame.Core\bin\Debug\net9.0\FunGame.Core.dll</HintPath>
-    </Reference>
-  </ItemGroup>
-
 </Project>
diff --git a/OshimaModes/OshimaModes.csproj b/OshimaModes/OshimaModes.csproj
index 3416465..bde0f7f 100644
--- a/OshimaModes/OshimaModes.csproj
+++ b/OshimaModes/OshimaModes.csproj
@@ -21,19 +21,12 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <ProjectReference Include="..\..\FunGame.Core\FunGame.Core.csproj" />
+    <ProjectReference Include="..\..\FunGame.Desktop\FunGame.Desktop\FunGame.Desktop.csproj" />
     <ProjectReference Include="..\OshimaMaps\OshimaMaps.csproj" />
     <ProjectReference Include="..\OshimaModules\OshimaModules.csproj" />
   </ItemGroup>
 
-  <ItemGroup>
-    <Reference Include="FunGame.Core">
-      <HintPath>..\..\FunGame.Core\bin\Debug\net9.0\FunGame.Core.dll</HintPath>
-    </Reference>
-    <Reference Include="FunGame.Desktop">
-      <HintPath>..\..\FunGame.Desktop\bin\Debug\net8.0-windows\FunGame.Desktop.dll</HintPath>
-    </Reference>
-  </ItemGroup>
-
   <ItemGroup>
     <Compile Update="Properties\Resources.Designer.cs">
       <DesignTime>True</DesignTime>
diff --git a/OshimaModules/OshimaModules.csproj b/OshimaModules/OshimaModules.csproj
index 3c2bad8..ec2b0a0 100644
--- a/OshimaModules/OshimaModules.csproj
+++ b/OshimaModules/OshimaModules.csproj
@@ -23,15 +23,10 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <ProjectReference Include="..\..\FunGame.Core\FunGame.Core.csproj" />
     <ProjectReference Include="..\OshimaCore\OshimaCore.csproj" />
   </ItemGroup>
 
-  <ItemGroup>
-    <Reference Include="FunGame.Core">
-      <HintPath>..\..\FunGame.Core\bin\Debug\net9.0\FunGame.Core.dll</HintPath>
-    </Reference>
-  </ItemGroup>
-
   <ItemGroup>
     <None Update="configs\oshima-studios\oshima.fungame.items.json">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
diff --git a/OshimaServers/OshimaServers.csproj b/OshimaServers/OshimaServers.csproj
index 35d094e..6363214 100644
--- a/OshimaServers/OshimaServers.csproj
+++ b/OshimaServers/OshimaServers.csproj
@@ -18,14 +18,9 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <ProjectReference Include="..\..\FunGame.Core\FunGame.Core.csproj" />
     <ProjectReference Include="..\OshimaCore\OshimaCore.csproj" />
     <ProjectReference Include="..\OshimaModules\OshimaModules.csproj" />
   </ItemGroup>
 
-  <ItemGroup>
-    <Reference Include="FunGame.Core">
-      <HintPath>..\..\FunGame.Core\bin\Debug\net9.0\FunGame.Core.dll</HintPath>
-    </Reference>
-  </ItemGroup>
-
 </Project>
diff --git a/OshimaWebAPI/OshimaWebAPI.csproj b/OshimaWebAPI/OshimaWebAPI.csproj
index 445fa0c..3cada56 100644
--- a/OshimaWebAPI/OshimaWebAPI.csproj
+++ b/OshimaWebAPI/OshimaWebAPI.csproj
@@ -29,15 +29,10 @@
 	</ItemGroup>
 
 	<ItemGroup>
+		<ProjectReference Include="..\..\FunGame.Core\FunGame.Core.csproj" />
 		<ProjectReference Include="..\OshimaCore\OshimaCore.csproj" />
 		<ProjectReference Include="..\OshimaModules\OshimaModules.csproj" />
 		<ProjectReference Include="..\OshimaServers\OshimaServers.csproj" />
 	</ItemGroup>
 
-	<ItemGroup>
-	  <Reference Include="FunGame.Core">
-	    <HintPath>..\..\FunGame.Core\bin\Debug\net9.0\FunGame.Core.dll</HintPath>
-	  </Reference>
-	</ItemGroup>
-
 </Project>