Update README.md

Author: QianMo

README.md

@@ -52,6 +52,7 @@ This repository is about cool design patterns written in Unity3D C#.
 * [Game Loop Pattern 游戏循环模式]
 * [Service Locator Pattern 服务定位器模式]
 * [Data Locality Pattern 数据局部性模式]
+* [Dirty Flag Pattern 脏标记模式]
 
 <br> 
 
@@ -100,8 +101,8 @@ This repository is about cool design patterns written in Unity3D C#.
 https://github.com/QianMo/Unity-Design-Pattern/tree/master/Assets/Game%20Programming%20Patterns/Service%20Locator%20Pattern
 [Data Locality Pattern 数据局部性模式]:
 https://github.com/QianMo/Unity-Design-Pattern/tree/master/Assets/Game%20Programming%20Patterns/Data%20Locality%20Pattern
-
-
+[Dirty Flag Pattern 脏标记模式]:
+https://github.com/QianMo/Unity-Design-Pattern/tree/master/Assets/Game%20Programming%20Patterns/Dirty%20Flag%20Pattern