diff --git a/core/Base/Game.cpp b/core/Base/Game.cpp
index 6605cb27..d1da9997 100644
--- a/core/Base/Game.cpp
+++ b/core/Base/Game.cpp
@@ -69,7 +69,7 @@ bool e2d::Game::init(String sGameName)
 	return s_bInitialized;
 }
 
-int e2d::Game::start()
+int e2d::Game::start(bool bAutoRelease/* true */)
 {
 	if (!s_bInitialized)
 	{
@@ -115,6 +115,11 @@ int e2d::Game::start()
 		}
 	}
 
+	if (bAutoRelease)
+	{
+		Game::destroy();
+	}
+
 	return 0;
 }
 
@@ -150,18 +155,23 @@ void e2d::Game::destroy()
 {
 	// 删除所有场景
 	SceneManager::__uninit();
-	// 关闭输入
-	Input::__uninit();
 	// 关闭播放器
 	MusicManager::__uninit();
 	// 清空定时器
 	TimerManager::__uninit();
+	// 删除监听器
+	InputManager::__uninit();
+	ColliderManager::__uninit();
+	// 删除动画
+	ActionManager::__uninit();
+	// 关闭输入
+	Input::__uninit();
 	// 恢复计时操作
 	Time::__uninit();
 	// 清空图片缓存
 	Image::clearCache();
 	// 刷新内存池
-	ObjectManager::__uninit();
+	ObjectManager::__clear();
 	// 删除渲染相关资源
 	Renderer::__discardResources();
 	// 销毁窗口
diff --git a/core/Common/Object.cpp b/core/Common/Object.cpp
index cb30430c..7f5eb300 100644
--- a/core/Common/Object.cpp
+++ b/core/Common/Object.cpp
@@ -23,7 +23,7 @@ void e2d::Object::release()
 {
 	m_nRefCount--;
 	// 通知对象管理池刷新
-	ObjectManager::clear();
+	ObjectManager::flush();
 }
 
 int e2d::Object::getReferenceCount() const
diff --git a/core/Manager/ActionManager.cpp b/core/Manager/ActionManager.cpp
index 80bdff08..de223ffd 100644
--- a/core/Manager/ActionManager.cpp
+++ b/core/Manager/ActionManager.cpp
@@ -167,6 +167,16 @@ void e2d::ActionManager::__clearAllBindedWith(Node * pTargetNode)
 	}
 }
 
+void e2d::ActionManager::__uninit()
+{
+	FOR_LOOP(child, s_vActions)
+	{
+		SafeRelease(&child);
+	}
+	s_vActions.clear();
+	s_vRunningActions.clear();
+}
+
 void e2d::ActionManager::resumeAll()
 {
 	FOR_LOOP(child, SceneManager::getCurrentScene()->getRoot()->getChildren())
diff --git a/core/Manager/ColliderManager.cpp b/core/Manager/ColliderManager.cpp
index 00329c2d..5bc525dd 100644
--- a/core/Manager/ColliderManager.cpp
+++ b/core/Manager/ColliderManager.cpp
@@ -263,3 +263,12 @@ void e2d::ColliderManager::__removeCollider(Collider * pCollider)
 		}
 	}
 }
+
+void e2d::ColliderManager::__uninit()
+{
+	FOR_LOOP(listener, s_vListeners)
+	{
+		SafeRelease(&listener);
+	}
+	s_vListeners.clear();
+}
diff --git a/core/Manager/InputManager.cpp b/core/Manager/InputManager.cpp
index 93a7b6c3..6b6b2267 100644
--- a/core/Manager/InputManager.cpp
+++ b/core/Manager/InputManager.cpp
@@ -23,6 +23,15 @@ void e2d::InputManager::__update()
 	}
 }
 
+void e2d::InputManager::__uninit()
+{
+	FOR_LOOP(listener, s_vListeners)
+	{
+		SafeRelease(&listener);
+	}
+	s_vListeners.clear();
+}
+
 void e2d::InputManager::__add(InputListener * pListener)
 {
 	WARN_IF(pListener == nullptr, "InputListener NULL pointer exception!");
diff --git a/core/Manager/ObjectManager.cpp b/core/Manager/ObjectManager.cpp
index 7986516e..fda16d16 100644
--- a/core/Manager/ObjectManager.cpp
+++ b/core/Manager/ObjectManager.cpp
@@ -37,14 +37,13 @@ void e2d::ObjectManager::__update()
 	}
 }
 
-void e2d::ObjectManager::__uninit()
+void e2d::ObjectManager::__clear()
 {
-	// 释放两遍内存
-	s_bNotifyed = true;
-	ObjectManager::__update();
-
-	s_bNotifyed = true;
-	ObjectManager::__update();
+	if (s_vObjectPool.size() != 0)
+	{
+		s_bNotifyed = true;
+		ObjectManager::__update();
+	}
 }
 
 void e2d::ObjectManager::add(e2d::Object * nptr)
@@ -56,7 +55,7 @@ void e2d::ObjectManager::add(e2d::Object * nptr)
 	}
 }
 
-void e2d::ObjectManager::clear()
+void e2d::ObjectManager::flush()
 {
 	s_bNotifyed = true;
 }
diff --git a/core/Manager/TimerManager.cpp b/core/Manager/TimerManager.cpp
index 29213d97..cbf4ca6c 100644
--- a/core/Manager/TimerManager.cpp
+++ b/core/Manager/TimerManager.cpp
@@ -28,12 +28,28 @@ void e2d::TimerManager::__update()
 	}
 }
 
+e2d::Timer * e2d::TimerManager::start(String name, Function func, double interval, int times, bool atOnce, bool autoRelease)
+{
+	auto pTimer = new (std::nothrow) Timer(name, func, interval, times, atOnce, autoRelease);
+	if (pTimer)
+	{
+		pTimer->retain();
+		pTimer->start();
+		s_vTimers.push_back(pTimer);
+	}
+	return pTimer;
+}
+
 e2d::Timer* e2d::TimerManager::start(double timeOut, Function func)
 {
-	auto t = new (std::nothrow) Timer(L"", func, timeOut, 1, false, true);
-	t->start();
-	TimerManager::add(t);
-	return t;
+	auto pTimer = new (std::nothrow) Timer(L"", func, timeOut, 1, false, true);
+	if (pTimer)
+	{
+		pTimer->retain();
+		pTimer->start();
+		s_vTimers.push_back(pTimer);
+	}
+	return pTimer;
 }
 
 void e2d::TimerManager::add(Timer * pTimer)
diff --git a/core/Tool/Timer.cpp b/core/Tool/Timer.cpp
index b5581d15..f0063dab 100644
--- a/core/Tool/Timer.cpp
+++ b/core/Tool/Timer.cpp
@@ -11,7 +11,7 @@ e2d::Timer::Timer(String name, Function func, double interval /* = 0 */, int upd
 	, m_nUpdateTimes(-1)
 	, m_bAtOnce(false)
 	, m_bAutoRelease(false)
-	, m_bClear(true)
+	, m_bClear(false)
 {
 	this->setName(name);
 	this->setFunc(func);
@@ -39,8 +39,23 @@ void e2d::Timer::stopAndClear()
 
 void e2d::Timer::start()
 {
-	m_bRunning = true;
-	m_fLast = Time::getTotalTime();
+	if (!m_bRunning)
+	{
+		m_bRunning = true;
+		m_fLast = Time::getTotalTime();
+		m_nRunTimes = 0;
+	}
+}
+
+void e2d::Timer::start(int times)
+{
+	if (!m_bRunning)
+	{
+		m_bRunning = true;
+		m_fLast = Time::getTotalTime();
+		m_nUpdateTimes = times;
+		m_nRunTimes = 0;
+	}
 }
 
 e2d::String e2d::Timer::getName() const
@@ -66,7 +81,6 @@ void e2d::Timer::setFunc(Function func)
 void e2d::Timer::setUpdateTimes(int updateTimes)
 {
 	m_nUpdateTimes = updateTimes;
-	m_bClear = (m_nUpdateTimes == 0);
 }
 
 void e2d::Timer::setRunAtOnce(bool bAtOnce)
diff --git a/core/ebase.h b/core/ebase.h
index 6e1bea0a..d8a04f67 100644
--- a/core/ebase.h
+++ b/core/ebase.h
@@ -18,7 +18,9 @@ public:
 	);
 
 	// 启动游戏
-	static int start();
+	static int start(
+		bool bAutoRelease = true
+	);
 
 	// 暂停游戏
 	static void pause();
diff --git a/core/emanager.h b/core/emanager.h
index 62fe9d4a..cc64ca77 100644
--- a/core/emanager.h
+++ b/core/emanager.h
@@ -29,14 +29,14 @@ public:
 	);
 
 	// 释放垃圾对象的内存空间
-	static void clear();
+	static void flush();
 
 private:
 	// 更新对象管理器
 	static void __update();
 
 	// 清空所有对象
-	static void __uninit();
+	static void __clear();
 };
 
 
@@ -94,6 +94,16 @@ class TimerManager
 	friend Timer;
 
 public:
+	// 启动一个新任务
+	static Timer* start(
+		String name,				/* 任务名称 */
+		Function func,				/* 执行函数 */
+		double interval = 0,		/* 时间间隔（秒） */
+		int times = -1,				/* 执行次数（设 -1 为永久执行） */
+		bool atOnce = false,		/* 是否立即执行 */
+		bool autoRelease = false	/* 自动清除 */
+	);
+
 	// 启动一个新任务：等待一段时间后执行指定函数
 	static Timer* start(
 		double timeOut,	/* 等待的时长（秒） */
@@ -231,6 +241,9 @@ private:
 
 	// 重置所有动作状态
 	static void __resetAllActions();
+
+	// 回收资源
+	static void __uninit();
 };
 
 
@@ -307,6 +320,7 @@ private:
 // 键盘和鼠标消息管理器
 class InputManager
 {
+	friend Game;
 	friend Input;
 	friend InputListener;
 
@@ -357,12 +371,16 @@ private:
 
 	// 更新监听器
 	static void __update();
+
+	// 回收资源
+	static void __uninit();
 };
 
 
 // 碰撞管理器
 class ColliderManager
 {
+	friend Game;
 	friend Node;
 	friend Collider;
 	friend CollisionListener;
@@ -450,6 +468,9 @@ private:
 	static void __removeCollider(
 		Collider * pCollider
 	);
+
+	// 回收资源
+	static void __uninit();
 };
 
 }
\ No newline at end of file
diff --git a/core/etool.h b/core/etool.h
index ba14e32a..2b1ece94 100644
--- a/core/etool.h
+++ b/core/etool.h
@@ -173,12 +173,17 @@ public:
 		double interval = 0,		/* 时间间隔（秒） */
 		int times = -1,				/* 执行次数（设 -1 为永久执行） */
 		bool atOnce = false,		/* 是否立即执行 */
-		bool autoRelease = false	/* 自动清除 */
+		bool autoRelease = false	/* 执行结束时自动清除 */
 	);
 
 	// 启动定时器
 	void start();
 
+	// 启动定时器，并执行指定次数
+	void start(
+		int times		/* 执行次数（设 -1 为永久执行） */
+	);
+
 	// 停止定时器
 	void stop();