diff --git a/README.md b/README.md
index f01b01d..2ab66ae 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@
    2. [面向对象思维](03%EF%BC%9A%E7%B1%BB%E4%B8%8E%E5%AF%B9%E8%B1%A1/02.md)
    3. [继承与多态](03%EF%BC%9A%E7%B1%BB%E4%B8%8E%E5%AF%B9%E8%B1%A1/03.md)
    4. [抽象类与接口](03%EF%BC%9A%E7%B1%BB%E4%B8%8E%E5%AF%B9%E8%B1%A1/04.md)
-4. 第四章：异常处理
+4. [第四章：异常处理](04%EF%BC%9A%E5%BC%82%E5%B8%B8%E5%A4%84%E7%90%86/01.md)
 5. 第五章：IO编程
 6. 第六章：集合与框架