diff --git a/Library/Serein.Library.csproj b/Library/Serein.Library.csproj
index 3c06abf..3e4a1f0 100644
--- a/Library/Serein.Library.csproj
+++ b/Library/Serein.Library.csproj
@@ -16,7 +16,7 @@
     <SatelliteResourceLanguages>no</SatelliteResourceLanguages>
 
 
-    <Optimize>true</Optimize>
+    <Optimize>False</Optimize>
 
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <EmitCompilerGeneratedFiles>true</EmitCompilerGeneratedFiles>
@@ -90,7 +90,7 @@
     <!--<ProjectReference Include="..\Serein.Library.MyGenerator\Serein.Library.NodeGenerator.csproj " OutputItemType="Analyzer" />-->
     <!--  ReferenceOutputAssembly="false" -->
     <!--<ProjectReference Include="..\Serein.Library.MyGenerator\Serein.Library.NodeGenerator.csproj " OutputItemType="Analyzer" />-->
-    <ProjectReference Include="..\Serein.Library.NodeGenerator\Serein.Library.NodeGenerator.csproj"  OutputItemType="Analyzer"/>
+    <ProjectReference Include="..\Serein.Library.NodeGenerator\Serein.Library.NodeGenerator.csproj" OutputItemType="Analyzer" />
   </ItemGroup>
 
 </Project>
diff --git a/Library/Utils/EmitHelper.cs b/Library/Utils/EmitHelper.cs
index 6510ede..0177062 100644
--- a/Library/Utils/EmitHelper.cs
+++ b/Library/Utils/EmitHelper.cs
@@ -206,7 +206,7 @@ namespace Serein.Library.Utils
             il.Emit(isStatic ? OpCodes.Call : OpCodes.Callvirt, methodInfo);
 
             // 如果是泛型Task
-            if (isTaskGeneric && taskResultType is not null)
+            if (isTaskGeneric && methodInfo.ReturnType.IsValueType && taskResultType is not null)
             {
                 var convertMethod = typeof(EmitHelper)
                     .GetMethod(nameof(ConvertTaskResult),