diff --git a/README.md b/README.md
index d06dee5..f5ed917 100644
--- a/README.md
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 **简介**：`Java` 面试题随笔记
 
-_参考源：1. [小林 Coding](https://xiaolincoding.com/) 2. [Java Guide](https://javaguide.cn/)_ 
+_参考源：1. [小林 Coding](https://xiaolincoding.com/) 2. [Java Guide](https://javaguide.cn/) 3. [二哥的进阶之路](https://javabetter.cn/)_
 
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