diff --git a/notes/面向对象思想.md b/notes/面向对象思想.md
index 2da3af94..ecd8406b 100644
--- a/notes/面向对象思想.md
+++ b/notes/面向对象思想.md
@@ -369,4 +369,4 @@ Vihicle .. N
 - [面向对象设计的 SOLID 原则](http://www.cnblogs.com/shanyou/archive/2009/09/21/1570716.html)
 - [看懂 UML 类图和时序图](http://design-patterns.readthedocs.io/zh_CN/latest/read_uml.html#generalization)
 - [UML 系列——时序图（顺序图）sequence diagram](http://www.cnblogs.com/wolf-sun/p/UML-Sequence-diagram.html)
-- [面向对象编程三大特性 ------ 封装、继承、多态](http://blog.csdn.net/jianyuerensheng/article/details/51602015)
+- [面向对象编程三大特性 ------ 封装、继承、多态](https://web.archive.org/web/20260112143923/https://blog.csdn.net/jianyuerensheng/article/details/51602015)