diff --git a/Easy2D/Base/EApp.cpp b/Easy2D/Base/EApp.cpp
index 8cb0da97..f8b7acc0 100644
--- a/Easy2D/Base/EApp.cpp
+++ b/Easy2D/Base/EApp.cpp
@@ -271,8 +271,6 @@ void e2d::EApp::run()
 
 	// 关闭控制台
 	EApp::showConsole(false);
-	// 释放所有内存资源
-	this->_free();
 }
 
 void e2d::EApp::setFPS(UINT32 fps)
@@ -581,14 +579,6 @@ void e2d::EApp::showWindow()
 	ShowWindow(GetHWnd(), SW_SHOWNORMAL);
 }
 
-void e2d::EApp::_free()
-{
-	// 删除图片缓存
-	ETexture::clearCache();
-	// 删除所有对象（包括所有场景、定时器、监听器、动画）
-	EObjectManager::clearAllObjects();
-}
-
 void e2d::EApp::quit()
 {
 	get()->m_bEnd = true;
diff --git a/Easy2D/Easy2D.vcxproj b/Easy2D/Easy2D.vcxproj
index 949eaf95..97b23fc5 100644
--- a/Easy2D/Easy2D.vcxproj
+++ b/Easy2D/Easy2D.vcxproj
@@ -101,7 +101,7 @@
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <SDLCheck>true</SDLCheck>
-      <DebugInformationFormat>EditAndContinue</DebugInformationFormat>
+      <DebugInformationFormat>None</DebugInformationFormat>
       <MinimalRebuild>false</MinimalRebuild>
     </ClCompile>
     <Link>
@@ -146,7 +146,6 @@
       <PrecompiledHeader>NotUsing</PrecompiledHeader>
       <WarningLevel>Level3</WarningLevel>
       <Optimization>MaxSpeed</Optimization>
-      <FunctionLevelLinking>false</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <SDLCheck>true</SDLCheck>
@@ -172,7 +171,6 @@
       <PrecompiledHeader>NotUsing</PrecompiledHeader>
       <WarningLevel>Level3</WarningLevel>
       <Optimization>MaxSpeed</Optimization>
-      <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <SDLCheck>true</SDLCheck>
diff --git a/Easy2D/Manager/EObjectManager.cpp b/Easy2D/Manager/EObjectManager.cpp
index 9414e5f7..c2059524 100644
--- a/Easy2D/Manager/EObjectManager.cpp
+++ b/Easy2D/Manager/EObjectManager.cpp
@@ -1,11 +1,11 @@
 #include "..\etools.h"
 
 // EObjectManager 释放池的实现机制：
-/// EObject 类中的引用计数（m_nRefCount）保证了指针的使用安全
-/// 它记录了对象被使用的次数，当计数为 0 时，EObjectManager 会自动释放这个对象
-/// 所有的 EObject 对象都应在被使用时（例如 Text 添加到了场景中）
-/// 调用 retain 函数保证该对象不被删除，并在不再使用时调用 release 函数
-/// 让其自动释放
+// EObject 类中的引用计数（m_nRefCount）保证了指针的使用安全
+// 它记录了对象被使用的次数，当计数为 0 时，EObjectManager 会自动释放这个对象
+// 所有的 EObject 对象都应在被使用时（例如 Text 添加到了场景中）
+// 调用 retain 函数保证该对象不被删除，并在不再使用时调用 release 函数
+// 让其自动释放
 
 // 释放池容器
 static e2d::EVector<e2d::EObject*> s_vPool;
@@ -45,15 +45,6 @@ void e2d::EObjectManager::add(e2d::EObject * nptr)
 	}
 }
 
-void e2d::EObjectManager::clearAllObjects()
-{
-	for (const auto &obj : s_vPool)
-	{
-		delete obj;
-	}
-	s_vPool.clear();
-}
-
 void e2d::EObjectManager::notifyFlush()
 {
 	s_bNotifyed = true;
diff --git a/Easy2D/Node/ENode.cpp b/Easy2D/Node/ENode.cpp
index aad847b7..e3361016 100644
--- a/Easy2D/Node/ENode.cpp
+++ b/Easy2D/Node/ENode.cpp
@@ -39,6 +39,10 @@ e2d::ENode::~ENode()
 	EMsgManager::_clearAllMouseListenersBindedWith(this);
 	EMsgManager::_clearAllKeyboardListenersBindedWith(this);
 	EActionManager::_clearAllActionsBindedWith(this);
+	for (auto child : m_vChildren)
+	{
+		SafeReleaseAndClear(&child);
+	}
 }
 
 void e2d::ENode::onEnter()
diff --git a/Easy2D/ebase.h b/Easy2D/ebase.h
index 5f460356..862f6985 100644
--- a/Easy2D/ebase.h
+++ b/Easy2D/ebase.h
@@ -184,9 +184,6 @@ protected:
 		UINT32 height
 	);
 
-	// 释放所有内存资源
-	void _free();
-
 	// 窗口程序
 	static LRESULT CALLBACK WndProc(
 		HWND hWnd,
diff --git a/Easy2D/etools.h b/Easy2D/etools.h
index 5b6cc869..89685f10 100644
--- a/Easy2D/etools.h
+++ b/Easy2D/etools.h
@@ -20,9 +20,6 @@ public:
 		e2d::EObject * nptr
 	);
 
-	// 删除所有节点
-	static void clearAllObjects();
-
 	// 通知内存池刷新
 	static void notifyFlush();