diff --git a/ICCV2021.md b/ICCV2021.md
index bbcf565..472615f 100644
--- a/ICCV2021.md
+++ b/ICCV2021.md
@@ -600,6 +600,9 @@
 
 ## 对比学习(Contrastive Learning)
 
+[3] Social NCE: Contrastive Learning of Socially-aware Motion Representations<br>
+[paper](https://arxiv.org/abs/2012.11717) | [code](https://github.com/vita-epfl/social-nce-crowdnav)<br><br>
+
 [2] Geography-Aware Self-Supervised Learning<br>
 [paper](https://arxiv.org/abs/2011.09980)<br><br>
 
@@ -634,6 +637,9 @@
 
 ## 视觉预测(Vision-based Prediction)
 
+[2] Social NCE: Contrastive Learning of Socially-aware Motion Representations<br>
+[paper](https://arxiv.org/abs/2012.11717) | [code](https://github.com/vita-epfl/social-nce-crowdnav)<br><br>
+
 [1] On Exposing the Challenging Long Tail in Future Prediction of Traffic Actors<br>
 [paper](https://arxiv.org/abs/2103.12474) | [code]()<br><br>