update

README.md

@@ -36,14 +36,16 @@
 * [手势交互项目-具体介绍](https://codechina.csdn.net/EricLee/dpcas/-/tree/master/lib/hand_lib/doc/README.md)  
 
  ![image_dogs](https://codechina.csdn.net/EricLee/dpcas/-/raw/master/samples/handpose_x.png)  
-
-### 项目2：Who You Want To See "你想看谁"
+* [Demo完整视频](https://www.bilibili.com/video/BV1tX4y137tG/)
+### 项目2：手势识别项目（二维关键点约束方式）
+ ![image_gesture](https://codechina.csdn.net/EricLee/dpcas/-/raw/master/samples/gesture.png) 
+### 项目3：Who You Want To See "你想看谁"
 * [Who You Want To See "你想看谁"-具体介绍](https://codechina.csdn.net/EricLee/dpcas/-/tree/master/lib/wyw2s_lib/doc/README.md)  
 
  ![wyw2s](https://codechina.csdn.net/EricLee/dpcas/-/raw/master/samples/wyw2s-a.png)  
 
  ![wyw2s-b](https://codechina.csdn.net/EricLee/dpcas/-/raw/master/samples/wyw2s-b.png)   
-
+* [Demo完整视频](https://www.bilibili.com/video/BV1Z54y1b7zU/)
 
 ## 联系方式 （Contact）  
 * E-mails: 305141918@qq.com