diff --git a/notes/剑指 offer 题解.md b/notes/剑指 offer 题解.md
index c0f792fb..2e80cb2e 100644
--- a/notes/剑指 offer 题解.md
+++ b/notes/剑指 offer 题解.md
@@ -98,7 +98,7 @@ O(nlogn) + O(n2),第一个指时间复杂度,第二个
# 2. 实现 Singleton
-[单例模式](https://github.com/CyC2018/Interview-Notebook/blob/master/notes/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F.md#%E5%8D%95%E4%BB%B6%E6%A8%A1%E5%BC%8F)
+[单例模式](https://github.com/CyC2018/Interview-Notebook/blob/master/notes/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F.md#%E5%85%AB%E5%8D%95%E4%BE%8B%E6%A8%A1%E5%BC%8F)
# 3. 数组中重复的数字