Update README.md

Author: Mu Li

README.md

@@ -6,7 +6,7 @@
 | 日期 | 标题 | 封面 | 时长 | 视频 |
 | -- | -- | -- | --: | -- |
 | 3/17/22 | [AlphaCode]() 论文精读 | <img src="imgs/alphacode.jpg" width="200px"/> | 44:00 |  |
-| 3/10/22 | [OpenAI Codex](https://arxiv.org/pdf/2107.03374.pdf) 论文精读 | <img src="imgs/codex.jpg" width="200px"/> | 47:58 |  |
+| 3/10/22 | [OpenAI Codex](https://arxiv.org/pdf/2107.03374.pdf) 论文精读 | <img src="imgs/codex.jpg" width="200px"/> | 47:58 | [B站](https://www.bilibili.com/video/BV1iY41137Zi/), [YouTube](https://youtu.be/oZriUGkQSNM) |
 | 3/3/22 | [GPT](https://s3-us-west-2.amazonaws.com/openai-assets/research-covers/language-unsupervised/language_understanding_paper.pdf), [GPT-2](https://d4mucfpksywv.cloudfront.net/better-language-models/language_models_are_unsupervised_multitask_learners.pdf), [GPT-3](https://arxiv.org/abs/2005.14165) 精读 | <img src="imgs/gpt3.jpg" width="200px"/> | 1:29:58 | [B站](https://www.bilibili.com/video/BV1AF411b7xQ/), [YouTube](https://youtu.be/t70Bl3w7bxY) |
 | 2/24/22 | [Two-Stream](https://proceedings.neurips.cc/paper/2014/file/00ec53c4682d36f5c4359f4ae7bd7ba1-Paper.pdf) 逐段精读 |  <img src="imgs/twostream.jpg" width="200px"/> | 52:57 | [B站](https://www.bilibili.com/video/BV1mq4y1x7RU/), [YouTube](https://youtu.be/vuqwKP2iDe0) |
 | 2/10/22 | [CLIP](https://openai.com/blog/clip/) 逐段精读 | <img src="imgs/clip.jpg" width="200px"/> | 1:38:25 | [B站](https://www.bilibili.com/video/BV1SL4y1s7LQ/), [知乎](https://www.zhihu.com/zvideo/1475706654562299904), [YouTube](https://youtu.be/OZF1t_Hieq8) |