diff --git a/17.IteratorPattern/2.Code/Iterator.h b/17.IteratorPattern/2.Code/Iterator.h
index b4e29bb..43e8d42 100644
--- a/17.IteratorPattern/2.Code/Iterator.h
+++ b/17.IteratorPattern/2.Code/Iterator.h
@@ -12,6 +12,7 @@ class Iterator
 {
 public:
 	Iterator(){}
+	virtual ~Iterator(){}
 	// 声明抽象遍历方法
 	virtual void first() = 0;
 	virtual void last() = 0;
diff --git a/17.IteratorPattern/2.Code/main.cpp b/17.IteratorPattern/2.Code/main.cpp
index d28a86e..51b2c38 100644
--- a/17.IteratorPattern/2.Code/main.cpp
+++ b/17.IteratorPattern/2.Code/main.cpp
@@ -33,6 +33,7 @@ int main()
 	system("pause");
 
 	delete tv;
+	delete remoteControl;
 	
 	return 0;
 }
\ No newline at end of file