diff --git a/数据结构.md b/数据结构.md
index 944a2892..4ad3764b 100644
--- a/数据结构.md
+++ b/数据结构.md
@@ -31,6 +31,7 @@
 
   [集合框架源码学习之HashMap(JDK1.8)](https://juejin.im/post/5ab0568b5188255580020e56)
   
+  [ConcurrentHashMap实现原理及源码分析](https://link.juejin.im/?target=http%3A%2F%2Fwww.cnblogs.com%2Fchengxiao%2Fp%2F6842045.html)
 - **Stack(栈)**
 
   [java数据结构与算法之栈（Stack）设计与实现](https://blog.csdn.net/javazejian/article/details/53362993)