diff --git a/core/modules/Game.cpp b/core/modules/Game.cpp
index b5e549a6..c126f724 100644
--- a/core/modules/Game.cpp
+++ b/core/modules/Game.cpp
@@ -69,13 +69,9 @@ void e2d::Game::Start()
 			last = now;
 			input->Update();
 
-			if (!paused_)
-			{
-				timer->Update();
-				UpdateScene();
-			}
-			
+			UpdateScene();
 			DrawScene();
+
 			window->Poll();
 		}
 		else
@@ -168,6 +164,9 @@ bool e2d::Game::IsTransitioning() const
 
 void e2d::Game::UpdateScene()
 {
+	if (paused_)
+		return;
+
 	if (transition_)
 	{
 		transition_->Update();
diff --git a/core/objects/Image.cpp b/core/objects/Image.cpp
index 105a902a..78edcf99 100644
--- a/core/objects/Image.cpp
+++ b/core/objects/Image.cpp
@@ -160,7 +160,7 @@ bool e2d::Image::Preload(const Resource& res)
 
 	IWICImagingFactory *imaging_factory = Renderer::GetImagingFactory();
 	ID2D1HwndRenderTarget* render_target = Renderer::GetInstance()->GetRenderTarget();
-	IWICBitmadecoder *decoder = nullptr;
+	IWICBitmapDecoder *decoder = nullptr;
 	IWICBitmapFrameDecode *source = nullptr;
 	IWICStream *stream = nullptr;
 	IWICFormatConverter *converter = nullptr;
@@ -172,8 +172,8 @@ bool e2d::Image::Preload(const Resource& res)
 
 	// ¶¨Î»×ÊÔ´
 	res_handle = ::FindResourceW(
-		HINST_THISCOMPONENT, 
-		MAKEINTRESOURCE(res.id), 
+		HINST_THISCOMPONENT,
+		MAKEINTRESOURCE(res.id),
 		(LPCWSTR)res.type
 	);
 
@@ -292,7 +292,7 @@ bool e2d::Image::Preload(const String & file_name)
 
 	IWICImagingFactory *imaging_factory = Renderer::GetImagingFactory();
 	ID2D1HwndRenderTarget* render_target = Renderer::GetInstance()->GetRenderTarget();
-	IWICBitmadecoder *decoder = nullptr;
+	IWICBitmapDecoder *decoder = nullptr;
 	IWICBitmapFrameDecode *source = nullptr;
 	IWICStream *stream = nullptr;
 	IWICFormatConverter *converter = nullptr;
diff --git a/core/objects/Node.cpp b/core/objects/Node.cpp
index 4ecdf114..6dbdb8e5 100644
--- a/core/objects/Node.cpp
+++ b/core/objects/Node.cpp
@@ -69,6 +69,11 @@ e2d::Node::~Node()
 		SafeRelease(action);
 	}
 
+	for (auto task : tasks_)
+	{
+		SafeRelease(task);
+	}
+
 	for (auto child : children_)
 	{
 		SafeRelease(child);
diff --git a/core/tools/File.cpp b/core/tools/File.cpp
index 78c2accc..347cda8f 100644
--- a/core/tools/File.cpp
+++ b/core/tools/File.cpp
@@ -23,6 +23,9 @@ e2d::File::~File()
 
 bool e2d::File::Open(const String & file_name)
 {
+	if (file_name.IsEmpty())
+		return false;
+
 	auto FindFile = [=](const String & path) -> bool
 	{
 		if (::_waccess((const wchar_t*)path, 0) == 0)
diff --git a/core/tools/Music.cpp b/core/tools/Music.cpp
index d6e1175c..c808793c 100644
--- a/core/tools/Music.cpp
+++ b/core/tools/Music.cpp
@@ -80,7 +80,7 @@ bool e2d::Music::Open(const e2d::String & file_path)
 	}
 
 	File music_file;
-	if (!music_file.Open(file_name))
+	if (!music_file.Open(file_path))
 	{
 		WARN("Music::Open error: File not found.");
 		return false;