diff --git a/Tutorial/Console_Workflow/W01_RunningWorkflowScripts/Main.cpp b/Tutorial/Console_Workflow/W01_RunningWorkflowScripts/Main.cpp
index 81da06d7..f3c459fb 100644
--- a/Tutorial/Console_Workflow/W01_RunningWorkflowScripts/Main.cpp
+++ b/Tutorial/Console_Workflow/W01_RunningWorkflowScripts/Main.cpp
@@ -30,7 +30,7 @@ int main()
 	{
 		// prepare Workflow script code
 		List<WString> codes;
-		codes.Add(WString(ScriptCode, false));
+		codes.Add(WString::Unmanaged(ScriptCode));
 
 		// compile code and get assemblies
 		List<Ptr<ParsingError>> errors;
diff --git a/Tutorial/Console_Workflow/W02_InvokingCppClasses/Main.cpp b/Tutorial/Console_Workflow/W02_InvokingCppClasses/Main.cpp
index 59ce42fe..4f7fb125 100644
--- a/Tutorial/Console_Workflow/W02_InvokingCppClasses/Main.cpp
+++ b/Tutorial/Console_Workflow/W02_InvokingCppClasses/Main.cpp
@@ -97,7 +97,7 @@ int main()
 	{
 		// prepare Workflow script code
 		List<WString> codes;
-		codes.Add(WString(ScriptCode, false));
+		codes.Add(WString::Unmanaged(ScriptCode));
 
 		// compile code and get assemblies
 		List<Ptr<ParsingError>> errors;
diff --git a/Tutorial/Console_Workflow/W03_InheritingCppInterfaces/Main.cpp b/Tutorial/Console_Workflow/W03_InheritingCppInterfaces/Main.cpp
index 388c56d1..36e5d91b 100644
--- a/Tutorial/Console_Workflow/W03_InheritingCppInterfaces/Main.cpp
+++ b/Tutorial/Console_Workflow/W03_InheritingCppInterfaces/Main.cpp
@@ -123,7 +123,7 @@ int main()
 	{
 		// prepare Workflow script code
 		List<WString> codes;
-		codes.Add(WString(ScriptCode, false));
+		codes.Add(WString::Unmanaged(ScriptCode));
 
 		// compile code and get assemblies
 		List<Ptr<ParsingError>> errors;
diff --git a/Tutorial/Console_Workflow/W04_InheritingCppClasses/Main.cpp b/Tutorial/Console_Workflow/W04_InheritingCppClasses/Main.cpp
index 41d069de..87fa77b9 100644
--- a/Tutorial/Console_Workflow/W04_InheritingCppClasses/Main.cpp
+++ b/Tutorial/Console_Workflow/W04_InheritingCppClasses/Main.cpp
@@ -162,7 +162,7 @@ int main()
 	{
 		// prepare Workflow script code
 		List<WString> codes;
-		codes.Add(WString(ScriptCode, false));
+		codes.Add(WString::Unmanaged(ScriptCode));
 
 		// compile code and get assemblies
 		List<Ptr<ParsingError>> errors;
diff --git a/Tutorial/Console_Workflow/W05_Compile/Main.cpp b/Tutorial/Console_Workflow/W05_Compile/Main.cpp
index 8785cc4d..12d419ef 100644
--- a/Tutorial/Console_Workflow/W05_Compile/Main.cpp
+++ b/Tutorial/Console_Workflow/W05_Compile/Main.cpp
@@ -50,7 +50,7 @@ int wmain(int argc, const wchar_t* argv[])
 	{
 		// prepare Workflow script code
 		List<WString> codes;
-		codes.Add(WString(ScriptCode, false));
+		codes.Add(WString::Unmanaged(ScriptCode));
 
 		// compile code
 		// WfLexicalScopeManager is required because we produce assembly and C++ code at the same time
diff --git a/Tutorial/Console_Workflow/W05_StaticRun/Generated/W05Script.cpp b/Tutorial/Console_Workflow/W05_StaticRun/Generated/W05Script.cpp
index f431d4c9..538b8463 100644
--- a/Tutorial/Console_Workflow/W05_StaticRun/Generated/W05Script.cpp
+++ b/Tutorial/Console_Workflow/W05_StaticRun/Generated/W05Script.cpp
@@ -20,7 +20,6 @@ https://github.com/vczh-libraries
 #pragma warning(disable:4250)
 #elif defined(__GNUC__)
 #pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wparentheses-equality"
 #elif defined(__clang__)
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wparentheses-equality"
@@ -64,7 +63,7 @@ Closures
 
 	void __vwsnc1_W05Script_myscript_MyApp_CreateScripting__myapi_IScripting::Execute(const ::vl::WString& name)
 	{
-		::myapi::App::Print(((::vl::WString(L"Hello, ", false) + name) + ::vl::WString(L"!", false)));
+		::myapi::App::Print(((::vl::WString::Unmanaged(L"Hello, ") + name) + ::vl::WString::Unmanaged(L"!")));
 	}
 
 }
diff --git a/Tutorial/Console_Workflow/W05_StaticRun/Generated/W05Script.h b/Tutorial/Console_Workflow/W05_StaticRun/Generated/W05Script.h
index b91c4233..f21cbebb 100644
--- a/Tutorial/Console_Workflow/W05_StaticRun/Generated/W05Script.h
+++ b/Tutorial/Console_Workflow/W05_StaticRun/Generated/W05Script.h
@@ -18,7 +18,6 @@ https://github.com/vczh-libraries
 #pragma warning(disable:4250)
 #elif defined(__GNUC__)
 #pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wparentheses-equality"
 #elif defined(__clang__)
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wparentheses-equality"
@@ -36,7 +35,7 @@ namespace myscript
 	class MyApp : public ::vl::Object, public ::vl::reflection::Description<MyApp>
 	{
 		friend class ::vl_workflow_global::__vwsnc1_W05Script_myscript_MyApp_CreateScripting__myapi_IScripting;
-#ifndef VCZH_DEBUG_NO_REFLECTION
+#ifdef VCZH_DESCRIPTABLEOBJECT_WITH_METADATA
 		friend struct ::vl::reflection::description::CustomTypeDescriptorSelector<MyApp>;
 #endif
 	public:
diff --git a/Tutorial/Console_Workflow/W05_StaticRun/Generated/W05ScriptReflection.cpp b/Tutorial/Console_Workflow/W05_StaticRun/Generated/W05ScriptReflection.cpp
index fcc2e5f9..ab83203a 100644
--- a/Tutorial/Console_Workflow/W05_StaticRun/Generated/W05ScriptReflection.cpp
+++ b/Tutorial/Console_Workflow/W05_StaticRun/Generated/W05ScriptReflection.cpp
@@ -14,7 +14,6 @@ https://github.com/vczh-libraries
 #pragma warning(disable:4250)
 #elif defined(__GNUC__)
 #pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wparentheses-equality"
 #elif defined(__clang__)
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wparentheses-equality"
@@ -33,6 +32,7 @@ namespace vl
 #ifndef VCZH_DEBUG_NO_REFLECTION
 			IMPL_CPP_TYPE_INFO(myscript::MyApp)
 
+#ifdef VCZH_DESCRIPTABLEOBJECT_WITH_METADATA
 #define _ ,
 			BEGIN_CLASS_MEMBER(::myscript::MyApp)
 				CLASS_MEMBER_BASE(::vl::reflection::DescriptableObject)
@@ -53,11 +53,12 @@ namespace vl
 				{
 				}
 			};
+#endif
 #endif
 
 			bool LoadW05ScriptTypes()
 			{
-#ifndef VCZH_DEBUG_NO_REFLECTION
+#ifdef VCZH_DESCRIPTABLEOBJECT_WITH_METADATA
 				if (auto manager = GetGlobalTypeManager())
 				{
 					return manager->AddTypeLoader(MakePtr<W05ScriptTypeLoader>());
diff --git a/Tutorial/Console_Workflow/W05_StaticRun/Generated/W05ScriptReflection.h b/Tutorial/Console_Workflow/W05_StaticRun/Generated/W05ScriptReflection.h
index 85892914..216f54a4 100644
--- a/Tutorial/Console_Workflow/W05_StaticRun/Generated/W05ScriptReflection.h
+++ b/Tutorial/Console_Workflow/W05_StaticRun/Generated/W05ScriptReflection.h
@@ -17,7 +17,6 @@ https://github.com/vczh-libraries
 #pragma warning(disable:4250)
 #elif defined(__GNUC__)
 #pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wparentheses-equality"
 #elif defined(__clang__)
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wparentheses-equality"
diff --git a/Tutorial/Console_Workflow/W06_Debugging/Main.cpp b/Tutorial/Console_Workflow/W06_Debugging/Main.cpp
index eb2755a4..565c5dea 100644
--- a/Tutorial/Console_Workflow/W06_Debugging/Main.cpp
+++ b/Tutorial/Console_Workflow/W06_Debugging/Main.cpp
@@ -118,7 +118,7 @@ int main()
 	{
 		// prepare Workflow script code
 		List<WString> codes;
-		codes.Add(WString(ScriptCode, false));
+		codes.Add(WString::Unmanaged(ScriptCode));
 
 		// compile code and get assemblies
 		List<Ptr<ParsingError>> errors;