diff --git a/README.md b/README.md
index a454b13..3309c20 100644
--- a/README.md
+++ b/README.md
@@ -128,7 +128,7 @@ Model = ToolKit.MultiOpt(vs,[score_1,score_2])
 Model.BiSearch()
 Model.plot_distribution()
 ```
-See : [Link]([https://github.com/Bin-Cao/Bgolearn/blob/main/Template/%E4%B8%AD%E6%96%87%E7%A4%BA%E4%BE%8B/%E5%A4%9A%E7%9B%AE%E6%A0%87%E5%AE%9E%E7%8E%B0/%E5%A4%9A%E7%9B%AE%E6%A0%87.ipynb])
+See : [Link](https://github.com/Bin-Cao/Bgolearn/blob/main/Template/%E4%B8%AD%E6%96%87%E7%A4%BA%E4%BE%8B/%E5%A4%9A%E7%9B%AE%E6%A0%87%E5%AE%9E%E7%8E%B0/%E5%A4%9A%E7%9B%AE%E6%A0%87.ipynb)
 
 
 ``` javascript