diff --git a/ShadowPluginLoader.Tool/Assets/build/Plugin.Build.targets b/ShadowPluginLoader.Tool/Assets/build/Plugin.Build.targets
index 4fb3519..699b75e 100644
--- a/ShadowPluginLoader.Tool/Assets/build/Plugin.Build.targets
+++ b/ShadowPluginLoader.Tool/Assets/build/Plugin.Build.targets
@@ -8,6 +8,8 @@
     <Import Project="$(MSBuildThisFileDirectory)Plugin.Build.props" Condition="!Exists('$(ProjectDir)Plugin.Build.props')"/>
     <ItemGroup>
         <AdditionalFiles Include="$(ProjectDir)plugin.d.json"/>
+    </ItemGroup>
+    <ItemGroup Condition="!$(BuiltIn)">
         <AdditionalFiles Include="$(ProjectDir)plugin.json" CopyToOutputDirectory="PreserveNewest"/>
     </ItemGroup>
     <!-- Read Meta Data Then Convert To PluginJsonFile Before Build -->
diff --git a/ShadowPluginLoader.Tool/Assets/build/ShadowPluginLoader.Tool.targets b/ShadowPluginLoader.Tool/Assets/build/ShadowPluginLoader.Tool.targets
index d455b68..cb92b4a 100644
--- a/ShadowPluginLoader.Tool/Assets/build/ShadowPluginLoader.Tool.targets
+++ b/ShadowPluginLoader.Tool/Assets/build/ShadowPluginLoader.Tool.targets
@@ -7,6 +7,7 @@
         <IsPluginLoader  Condition="$(IsPluginLoader) == ''">false</IsPluginLoader>
         <IsPlugin  Condition="$(IsPlugin) == ''">false</IsPlugin>
         <AutoGenerateI18N  Condition="$(AutoGenerateI18N) == ''">true</AutoGenerateI18N>
+        <BuiltIn  Condition="$(BuiltIn) == ''">false</BuiltIn>
     </PropertyGroup>
     <PropertyGroup>
         <ToolExeFile>$(MSBuildThisFileDirectory)ShadowPluginLoader.Tool.dll</ToolExeFile>
diff --git a/ShadowPluginLoader.Tool/Assets/build/Tools.Config.props b/ShadowPluginLoader.Tool/Assets/build/Tools.Config.props
index a19d499..51406ae 100644
--- a/ShadowPluginLoader.Tool/Assets/build/Tools.Config.props
+++ b/ShadowPluginLoader.Tool/Assets/build/Tools.Config.props
@@ -5,7 +5,9 @@
         <IsPluginLoader>false</IsPluginLoader>
         <!-- Whether the current project is a Plugin -->
         <IsPlugin>false</IsPlugin>
-        <!-- Auto Pack Plugin -->
+        <!-- Whether the current project is a built-in Plugin -->
+        <BuiltIn>false</BuiltIn>
+        <!-- Auto Pack Plugin When IsPlugin == True-->
         <AutoPluginPackage>true</AutoPluginPackage>
         <!-- Auto Generate I18N -->
         <AutoGenerateI18N>true</AutoGenerateI18N>
diff --git a/ShadowPluginLoader.Tool/ShadowPluginLoader.Tool.csproj b/ShadowPluginLoader.Tool/ShadowPluginLoader.Tool.csproj
index 3a3392d..0f59d82 100644
--- a/ShadowPluginLoader.Tool/ShadowPluginLoader.Tool.csproj
+++ b/ShadowPluginLoader.Tool/ShadowPluginLoader.Tool.csproj
@@ -8,7 +8,7 @@
     <IncludeBuildOutput>false</IncludeBuildOutput>
     <NoWarn>NU5128;NU5129</NoWarn>
     
-    <Version>1.0.4.0</Version>
+    <Version>1.0.5.1</Version>
     <PackageId>ShadowPluginLoader.Tool</PackageId>
     <Owner>kitUIN</Owner>
     <Authors>kitUIN</Authors>