diff --git a/01.SimpleFactory/2.Code/SimpleFactory.h b/01.SimpleFactory/2.Code/SimpleFactory.h
index bdb48eb..94b7aa8 100644
--- a/01.SimpleFactory/2.Code/SimpleFactory.h
+++ b/01.SimpleFactory/2.Code/SimpleFactory.h
@@ -12,9 +12,10 @@ public:
 	AbstractSportProduct(){
 
 	}
+	virtual ~AbstractSportProduct(){}
 	//抽象方法：
-	void printName(){};
-	void play(){};
+	virtual void printName(){};
+	virtual void play(){};
 };
 
 //具体产品类Basketball
@@ -24,6 +25,10 @@ public:
 	Basketball(){
 		printName();
 		play();
+	}
+	~Basketball()
+	{
+
 	}
 	//具体实现方法
 	void printName(){
@@ -41,6 +46,10 @@ public:
 	Football(){
 		printName();
 		play();
+	}
+	~Football()
+	{
+
 	}
 	//具体实现方法
 	void printName(){
@@ -58,6 +67,10 @@ public:
 	Volleyball(){
 		printName();
 		play();
+	}
+	~Volleyball()
+	{
+		
 	}
 	//具体实现方法
 	void printName(){
diff --git a/02.FactoryMethod/2.Code/FactoryMethod.h b/02.FactoryMethod/2.Code/FactoryMethod.h
index df1231b..9f66ed2 100644
--- a/02.FactoryMethod/2.Code/FactoryMethod.h
+++ b/02.FactoryMethod/2.Code/FactoryMethod.h
@@ -12,9 +12,10 @@ public:
 	AbstractSportProduct(){
 
 	}
+	virtual ~AbstractSportProduct(){}
 	//抽象方法：
-	void printName(){};
-	void play(){};
+	virtual void printName(){};
+	virtual void play(){};
 };
 
 //具体产品类Basketball
@@ -72,6 +73,7 @@ public:
 class AbstractFactory
 {
 public:
+	virtual ~AbstractFactory(){}
 	virtual AbstractSportProduct *getSportProduct() = 0;
 };
 
diff --git a/03.AbstractFactory/2.Code/AbstractFactory.h b/03.AbstractFactory/2.Code/AbstractFactory.h
index e7c8f16..6caf8f4 100644
--- a/03.AbstractFactory/2.Code/AbstractFactory.h
+++ b/03.AbstractFactory/2.Code/AbstractFactory.h
@@ -12,8 +12,9 @@ public:
 	AbstractBall(){
 
 	}
+	virtual ~AbstractBall(){}
 	//抽象方法：
-	void play(){};
+	virtual void play(){};
 };
 
 //具体产品类Basketball
@@ -47,8 +48,9 @@ class AbstractShirt
 {
 public:
 	AbstractShirt(){}
+	virtual ~AbstractShirt(){}
 	//抽象方法：
-	void wearShirt(){};
+	virtual void wearShirt(){};
 };
 
 //具体产品类BasketballShirt
@@ -81,6 +83,7 @@ public:
 class AbstractFactory
 {
 public:
+	virtual ~AbstractFactory() {}
 	virtual AbstractBall *getBall() = 0;
 	virtual AbstractShirt *getShirt() = 0;
 };
diff --git a/04.BuilderPattern/2.Code/BuilderPattern.h b/04.BuilderPattern/2.Code/BuilderPattern.h
index 198dc34..df5a1ed 100644
--- a/04.BuilderPattern/2.Code/BuilderPattern.h
+++ b/04.BuilderPattern/2.Code/BuilderPattern.h
@@ -5,7 +5,7 @@
 #include <string.h>
 using namespace std;
 
-//产品类House
+//锟斤拷品锟斤拷House
 class House
 {
 public:
@@ -19,7 +19,7 @@ public:
 	void setRoof(string iRoof) {
 		this->roof = iRoof;
 	}
-	//打印House信息
+	//锟斤拷印House锟斤拷息
 	void printfHouseInfo() {
 		printf("Floor:%s\t\n", this->floor.c_str());
 		printf("Wall:%s\t\n", this->wall.c_str());
@@ -31,7 +31,7 @@ private:
 	string roof;
 };
 
-//抽象建造者AbstractBall
+//锟斤拷锟斤拷锟斤拷锟斤拷AbstractBall
 class AbstractBuilder
 {
 public:
@@ -46,7 +46,7 @@ public:
 			house = nullptr;
 		}
 	}
-	//抽象方法：
+	//锟斤拷锟襟方凤拷锟斤拷
 	virtual void buildFloor() = 0;
 	virtual void buildWall() = 0;
 	virtual void buildRoof() = 0;
@@ -55,7 +55,7 @@ public:
 	House *house;
 };
 
-//具体建造者ConcreteBuilderA
+//锟斤拷锟藉建锟斤拷锟斤拷ConcreteBuilderA
 class ConcreteBuilderA :public AbstractBuilder
 {
 public:
@@ -70,7 +70,7 @@ public:
 			house = nullptr;
 		}
 	}
-	//具体实现方法
+	//锟斤拷锟斤拷实锟街凤拷锟斤拷
 	void buildFloor() {
 		this->house->setFloor("Floor_A");
 	}
@@ -85,7 +85,7 @@ public:
 	}
 };
 
-//具体建造者ConcreteBuilderB
+//锟斤拷锟藉建锟斤拷锟斤拷ConcreteBuilderB
 class ConcreteBuilderB :public AbstractBuilder
 {
 public:
@@ -100,7 +100,7 @@ public:
 			house = nullptr;
 		}
 	}
-	//具体实现方法
+	//锟斤拷锟斤拷实锟街凤拷锟斤拷
 	void buildFloor() {
 		this->house->setFloor("Floor_B");
 	}
@@ -115,7 +115,7 @@ public:
 	}
 };
 
-//指挥者Director
+//指锟斤拷锟斤拷Director
 class Director
 {
 public:
@@ -128,7 +128,7 @@ public:
 			builder = nullptr;
 		}
 	}
-	//具体实现方法
+	//锟斤拷锟斤拷实锟街凤拷锟斤拷
 	void setBuilder(AbstractBuilder *iBuilder) {
 		this->builder = iBuilder;
 	}
diff --git a/05.PrototypePattern/2.Code/PrototypePattern.h b/05.PrototypePattern/2.Code/PrototypePattern.h
index f9adbc1..cea6d10 100644
--- a/05.PrototypePattern/2.Code/PrototypePattern.h
+++ b/05.PrototypePattern/2.Code/PrototypePattern.h
@@ -20,6 +20,7 @@ class PrototypeWork
 {
 public:
 	PrototypeWork(){}
+	virtual ~PrototypeWork(){}
 	virtual PrototypeWork *clone() = 0;
 
 private:
diff --git a/07.AdapterPattern/2.Code/AdapterPattern.h b/07.AdapterPattern/2.Code/AdapterPattern.h
index 4319ade..d7d2f31 100644
--- a/07.AdapterPattern/2.Code/AdapterPattern.h
+++ b/07.AdapterPattern/2.Code/AdapterPattern.h
@@ -11,6 +11,7 @@ class Controller
 {
 public:
 	Controller(){}
+	virtual ~Controller(){}
 	virtual void pathPlanning() = 0;
 private:
 };
diff --git a/08.BridgePattern/2.Code/BridgePattern.h b/08.BridgePattern/2.Code/BridgePattern.h
index 0ed6871..41787be 100644
--- a/08.BridgePattern/2.Code/BridgePattern.h
+++ b/08.BridgePattern/2.Code/BridgePattern.h
@@ -11,6 +11,7 @@ class Game
 {
 public:
 	Game(){}
+	virtual ~Game(){}
 	virtual void play() = 0;
 private:
 };
@@ -41,6 +42,7 @@ class Phone
 public:
 	Phone(){
 	}
+	virtual ~Phone(){}
 	//安装游戏
 	virtual void setupGame(Game *igame) = 0;
 	virtual void play() = 0;
diff --git a/09.CompositePattern/2.Code/CompositePattern.h b/09.CompositePattern/2.Code/CompositePattern.h
index 9834c2e..d3ce818 100644
--- a/09.CompositePattern/2.Code/CompositePattern.h
+++ b/09.CompositePattern/2.Code/CompositePattern.h
@@ -14,6 +14,7 @@ public:
 	Component(string iName){
 		this->name = iName;
 	}
+	virtual ~Component(){}
 	//增加一个部门或办公室
 	virtual void add(Component*) = 0;
 	//撤销一个部门或办公室
diff --git a/10.DecoratorPattern/2.Code/DecoratorPattern.h b/10.DecoratorPattern/2.Code/DecoratorPattern.h
index 861463b..e3bb945 100644
--- a/10.DecoratorPattern/2.Code/DecoratorPattern.h
+++ b/10.DecoratorPattern/2.Code/DecoratorPattern.h
@@ -6,6 +6,7 @@ class Component
 {
 public:
 	Component(){}
+	virtual ~Component(){}
 	virtual void operation() = 0;
 };
 
diff --git a/12.FlyweightPattern/2.Code/FlyweightPattern.h b/12.FlyweightPattern/2.Code/FlyweightPattern.h
index 0cd4001..35280f7 100644
--- a/12.FlyweightPattern/2.Code/FlyweightPattern.h
+++ b/12.FlyweightPattern/2.Code/FlyweightPattern.h
@@ -10,6 +10,7 @@ class NetDevice
 {
 public:
 	NetDevice(){}
+	virtual ~NetDevice(){}
 	virtual string getName() = 0;
 
 	/*void print(){
diff --git a/13.ProxyPattern/2.Code/ProxyPattern.h b/13.ProxyPattern/2.Code/ProxyPattern.h
index b2e05b2..4102dcc 100644
--- a/13.ProxyPattern/2.Code/ProxyPattern.h
+++ b/13.ProxyPattern/2.Code/ProxyPattern.h
@@ -10,6 +10,7 @@ class Subject
 {
 public:
 	Subject(){}
+	virtual ~Subject(){}
 	virtual void method() = 0;
 };
 
@@ -18,6 +19,7 @@ class RealSubject :public Subject
 {
 public:
 	RealSubject(){}
+	virtual ~RealSubject(){}
 	void method(){
 		printf("调用业务方法\n");
 	}
diff --git a/14.ChainOfResponsibility/2.Code/ChainOfResponsibility.h b/14.ChainOfResponsibility/2.Code/ChainOfResponsibility.h
index 99978a0..02812b2 100644
--- a/14.ChainOfResponsibility/2.Code/ChainOfResponsibility.h
+++ b/14.ChainOfResponsibility/2.Code/ChainOfResponsibility.h
@@ -36,6 +36,7 @@ public:
 	Approver(string iName){
 		setName(iName);
 	}
+	virtual ~Approver(){}
 	// 添加上级
 	void setSuperior(Approver *iSuperior){
 		this->superior = iSuperior;
diff --git a/15.CommandPattern/2.Code/CommandPattern.h b/15.CommandPattern/2.Code/CommandPattern.h
index b0fbe50..5e2b24c 100644
--- a/15.CommandPattern/2.Code/CommandPattern.h
+++ b/15.CommandPattern/2.Code/CommandPattern.h
@@ -13,6 +13,7 @@ class Command
 {
 public:
 	Command(){}
+	virtual ~Command(){}
 	// 声明抽象接口：发送命令
 	virtual void execute() = 0;
 private:
diff --git a/16.InterpreterPattern/2.Code/InterpreterPattern.h b/16.InterpreterPattern/2.Code/InterpreterPattern.h
index 744b8d7..7d78b52 100644
--- a/16.InterpreterPattern/2.Code/InterpreterPattern.h
+++ b/16.InterpreterPattern/2.Code/InterpreterPattern.h
@@ -9,6 +9,7 @@ class AbstractNode
 {
 public:
 	AbstractNode(){}
+	virtual ~AbstractNode(){}
 	// 声明抽象接口
 	virtual char interpret() = 0;
 };
diff --git a/17.IteratorPattern/2.Code/Aggregate.cpp b/17.IteratorPattern/2.Code/Aggregate.cpp
index 4fc5702..83eafa8 100644
--- a/17.IteratorPattern/2.Code/Aggregate.cpp
+++ b/17.IteratorPattern/2.Code/Aggregate.cpp
@@ -17,5 +17,5 @@ int Television::getTotalChannelNum(){
 }
 
 void Television::play(int i){
-	printf("现在播放：%s……\n", channelList[i].c_str());
+	printf("锟斤拷锟节诧拷锟脚ｏ拷%s锟斤拷锟斤拷\n", channelList[i].c_str());
 }
\ No newline at end of file
diff --git a/17.IteratorPattern/2.Code/Aggregate.h b/17.IteratorPattern/2.Code/Aggregate.h
index ac3f81f..5df2f5a 100644
--- a/17.IteratorPattern/2.Code/Aggregate.h
+++ b/17.IteratorPattern/2.Code/Aggregate.h
@@ -13,6 +13,7 @@ class Aggregate
 {
 public:
 	Aggregate(){}
+	virtual ~Aggregate(){}
 	virtual Iterator* createIterator() = 0;
 };
 
diff --git a/18.MediatorPattern/2.Code/Colleague.h b/18.MediatorPattern/2.Code/Colleague.h
index cfe231e..bd104e1 100644
--- a/18.MediatorPattern/2.Code/Colleague.h
+++ b/18.MediatorPattern/2.Code/Colleague.h
@@ -13,6 +13,7 @@ class Colleague
 {
 public:
 	Colleague(){}
+	virtual ~Colleague(){}
 	void setMediator(Mediator* iMediator){
 		this->mediator = iMediator;
 	}
diff --git a/18.MediatorPattern/2.Code/Mediator.h b/18.MediatorPattern/2.Code/Mediator.h
index 05c1461..9ef0365 100644
--- a/18.MediatorPattern/2.Code/Mediator.h
+++ b/18.MediatorPattern/2.Code/Mediator.h
@@ -9,6 +9,7 @@ class Mediator
 {
 public:
 	Mediator(){}
+	virtual ~Mediator(){}
 	// 声明抽象方法
 	virtual void operation(Colleague*) = 0;
 	// 声明注册方法
diff --git a/20.ObserverPattern/2.Code/AllyCenter.h b/20.ObserverPattern/2.Code/AllyCenter.h
index 12194b3..9b940a7 100644
--- a/20.ObserverPattern/2.Code/AllyCenter.h
+++ b/20.ObserverPattern/2.Code/AllyCenter.h
@@ -13,6 +13,7 @@ class AllyCenter
 {
 public:
 	AllyCenter();
+	virtual ~AllyCenter(){}
 	// 声明通知方法
 	virtual void notify(INFO_TYPE infoType, std::string name) = 0;
 	// 加入玩家
diff --git a/20.ObserverPattern/2.Code/Demo.h b/20.ObserverPattern/2.Code/Demo.h
index 2fe284f..62b9bd6 100644
--- a/20.ObserverPattern/2.Code/Demo.h
+++ b/20.ObserverPattern/2.Code/Demo.h
@@ -8,6 +8,7 @@ using namespace std;
 class Observer
 {
 public:
+	virtual ~Observer() {}
 	// 声明响应更新方法
 	virtual void update() = 0;
 };
@@ -26,6 +27,7 @@ public:
 class Subject
 {
 public:
+	virtual ~Subject() {}
 	// 添加观察者
 	void attach(Observer* obs){
 		obsList.push_back(obs);
diff --git a/20.ObserverPattern/2.Code/Observer.h b/20.ObserverPattern/2.Code/Observer.h
index 0c7e4bf..e06b8d0 100644
--- a/20.ObserverPattern/2.Code/Observer.h
+++ b/20.ObserverPattern/2.Code/Observer.h
@@ -10,6 +10,7 @@ using namespace std;
 class Observer
 {
 public:
+	virtual ~Observer(){}
 	Observer(){}
 	// 声明抽象方法
 	virtual void call(INFO_TYPE infoType, AllyCenter* ac) = 0;
diff --git a/21.StatePattern/2.Code/Demo.h b/21.StatePattern/2.Code/Demo.h
index 2280374..5c982bb 100644
--- a/21.StatePattern/2.Code/Demo.h
+++ b/21.StatePattern/2.Code/Demo.h
@@ -5,6 +5,7 @@
 class State
 {
 public:
+	virtual ~State(){}
 	// 声明抽象方法
 	virtual void handle() = 0;
 };
diff --git a/21.StatePattern/2.Code/Level.h b/21.StatePattern/2.Code/Level.h
index a3ea573..7eff13d 100644
--- a/21.StatePattern/2.Code/Level.h
+++ b/21.StatePattern/2.Code/Level.h
@@ -7,6 +7,7 @@ class Level
 {
 public :
 	Level();
+	virtual ~Level(){}
 	// 声明方法
 	void playCard();
 	void play();
diff --git a/22.StrategyPattern/2.Code/Strategy.h b/22.StrategyPattern/2.Code/Strategy.h
index c610fd4..38d4974 100644
--- a/22.StrategyPattern/2.Code/Strategy.h
+++ b/22.StrategyPattern/2.Code/Strategy.h
@@ -8,6 +8,7 @@ class Strategy
 {
 public:
 	Strategy(){}
+	virtual ~Strategy(){}
 	virtual void sort(int arr[], int N) = 0;
 };
 
diff --git a/23.TemplateMethodPattern/2.Code/Demo.h b/23.TemplateMethodPattern/2.Code/Demo.h
index 83fe157..78c6956 100644
--- a/23.TemplateMethodPattern/2.Code/Demo.h
+++ b/23.TemplateMethodPattern/2.Code/Demo.h
@@ -5,6 +5,7 @@
 class AbstractClass
 {
 public:
+	virtual ~AbstractClass(){}
 	// 模板方法，定义一个算法的框架流程
 	void templateMethod(){
 		// do something
diff --git a/23.TemplateMethodPattern/2.Code/FingerprintModule.h b/23.TemplateMethodPattern/2.Code/FingerprintModule.h
index 1858827..1b66419 100644
--- a/23.TemplateMethodPattern/2.Code/FingerprintModule.h
+++ b/23.TemplateMethodPattern/2.Code/FingerprintModule.h
@@ -8,6 +8,7 @@ class FingerprintModule
 {
 public:
 	FingerprintModule(){}
+	virtual ~FingerprintModule(){}
 	void getImage(){
 		printf("采指纹图像\n");
 	}
diff --git a/24.VisitorPattern/2.Code/Demo.h b/24.VisitorPattern/2.Code/Demo.h
index 39ba6e3..6791bf7 100644
--- a/24.VisitorPattern/2.Code/Demo.h
+++ b/24.VisitorPattern/2.Code/Demo.h
@@ -5,6 +5,7 @@
 class Visitor
 {
 public:
+	virtual ~Visitor() {}
 	virtual void visit(ConcreteElementA*) = 0;
 	virtual void visit(ConcreteElementB*) = 0;
 };
@@ -26,6 +27,7 @@ public:
 class Element
 {
 public:
+	virtual ~Element() {}
 	// 声明抽象方法，以一个抽象访问者的指针作为函数参数
 	virtual void accept(Visitor*) = 0;
 };
diff --git a/24.VisitorPattern/2.Code/Element.h b/24.VisitorPattern/2.Code/Element.h
index 9f17d97..38ed092 100644
--- a/24.VisitorPattern/2.Code/Element.h
+++ b/24.VisitorPattern/2.Code/Element.h
@@ -10,6 +10,7 @@ class Element
 {
 public:
 	Element(){};
+	virtual ~Element(){}
 	virtual void accept(Visitor*) = 0;
 	void setPrice(int iPrice){
 		this->price = iPrice;
diff --git a/24.VisitorPattern/2.Code/Visitor.h b/24.VisitorPattern/2.Code/Visitor.h
index a9c5fe7..98f4b7f 100644
--- a/24.VisitorPattern/2.Code/Visitor.h
+++ b/24.VisitorPattern/2.Code/Visitor.h
@@ -14,6 +14,7 @@ class Visitor
 {
 public:
 	Visitor(){};
+	virtual ~Visitor(){}
 	// 声明一组访问方法
 	virtual void visit(Apple*) = 0;
 	virtual void visit(Book*) = 0;