diff --git a/README.md b/README.md
index fc4d721..2b2f1d8 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 
 | 日期 | 标题 | 封面 | 时长 | 视频 |
 | -- | -- | -- | --: | -- |
-| 1/15/22 | [Swin Transformer](https://arxiv.org/pdf/2103.14030.pdf) 精读 | <img src="imgs/swin_transformer.jpg" width="200px"/> | 52:51 | [B站](https://www.bilibili.com/video/BV13L4y1475U/), [知乎](https://www.zhihu.com/zvideo/1466282983652691968), [YouTube](https://youtu.be/luP3-Fs0QCo) | 
+| 1/15/22 | [Swin Transformer](https://arxiv.org/pdf/2103.14030.pdf) 精读 | <img src="imgs/swin_transformer.jpg" width="200px"/> | 1:00:21 | [B站](https://www.bilibili.com/video/BV13L4y1475U/), [知乎](https://www.zhihu.com/zvideo/1466282983652691968), [YouTube](https://youtu.be/luP3-Fs0QCo) | 
 | 1/7/22 | [指导数学直觉](https://www.nature.com/articles/s41586-021-04086-x.pdf) | <img src="imgs/math_conj.jpg" width="200px"/> | 52:51 | [B站](https://www.bilibili.com/video/BV1YZ4y1S72j/), [知乎](https://www.zhihu.com/zvideo/1464060386375299072), [YouTube](https://youtu.be/czFGjvhtss8) | 
 | 1/5/22 | AlphaFold 2 预告 | <img src="imgs/alphafold_2_preview.jpg" width="200px"/> | 03:28 | [B站](https://www.bilibili.com/video/BV1Eu411U7Te/) | 
 | 12/20/21 | [对比学习](#contrastive_learning)论文综述 | <img src="imgs/contrastive.jpg" width="200px"/> | 1:32:01 |[B站](https://www.bilibili.com/video/BV19S4y1M7hm/), [知乎](https://www.zhihu.com/zvideo/1460828005077164032), [YouTube](https://www.youtube.com/watch?v=1pvxufGRuW4)