diff --git a/Theory/README.md b/Theory/README.md
index d45e744..86ffc70 100644
--- a/Theory/README.md
+++ b/Theory/README.md
@@ -2,5 +2,5 @@
 
 这一章描述各种理论性概念和那些不直接涉及实践，但是知道了会很有用的概念。
 
-* [分页](http://xinqiu.gitbooks.io/linux-insides/content/Theory/Paging.html)
-* [Elf64 格式](http://xinqiu.gitbooks.io/linux-insides/content/Theory/ELF.html)
+* [分页](https://github.com/MintCN/linux-insides-zh/blob/master/Theory/Paging.md)
+* [Elf64 格式](https://github.com/MintCN/linux-insides-zh/blob/master/Theory/ELF.md)