diff --git a/CUHK03-NP/README.md b/CUHK03-NP/README.md
index 22c82ff..88c58d6 100644
--- a/CUHK03-NP/README.md
+++ b/CUHK03-NP/README.md
@@ -45,6 +45,10 @@ If you use CUHK03-NP in your experiment, please consider citing:
     booktitle={CVPR},
     year={2014}
     }
+    
+## [CUHK03-NP-Mask](https://github.com/developfeng/MGCAM/tree/master/data)
+
+You can also obtain the person mask of CUHK03-NP from [CUHK03-NP-Mask](https://github.com/developfeng/MGCAM/tree/master/data).
 
 
 ## State-of-the-art