diff --git a/README.md b/README.md
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  ![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/)
 
+### 项目4：Face Bioassay "基于人脸动作的活体检测"
+* [Face Bioassay "基于人脸动作的活体检测"](https://codechina.csdn.net/EricLee/dpcas/-/blob/master/lib/face_bioassay_lib/doc/README.md)  
+
+ ![bioassay-a](https://codechina.csdn.net/EricLee/dpcas/-/raw/master/samples/bioassay-a.png)  
+
+ ![bioassay-b](https://codechina.csdn.net/EricLee/dpcas/-/raw/master/samples/bioassay-b.png)   
+* [Demo完整视频](https://www.bilibili.com/video/BV1CK4y1G7j7/)
+
 ## 联系方式 （Contact）  
 * E-mails: 305141918@qq.com   
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