Update README.md

Author: JustFollowUs

README.md

@@ -107,6 +107,7 @@ R程序语言设计| 暂无 | 暂无
 - [深度学习](https://github.com/JustFollowUs/Deep-Learning)
 - [图模型](https://github.com/JustFollowUs/Probabilistic-graphical-models)
 - [强化学习](https://github.com/JustFollowUs/Reinforcement-Learning)
+- [Hash](http://cs.nju.edu.cn/lwj/L2H.html) 
 - 其他(尚未完善)
 
 ###<h3 id="special_learning_data">领域会议期刊</h3>