Update README.md

@@ -42,4 +42,9 @@
 - required software: Python
 - required python module: Pytorch, OpenCV-python    
 - execute register/register.py    
-- execute client/client.py    
\ No newline at end of file
+- execute client/client.py    
+
+# Demo    
+## Register    
+![register](https://drive.google.com/u/0/uc?id=1JFbMLs3z6eZnyQqqJSe9xT3fO7P012FC&export=download)
+## Attendance Checking