Fix:fix picture error

Author: Snailclimb

docs/java/collection/Java集合框架常见面试题.md

@@ -263,7 +263,7 @@ ConcurrentHashMap 和 Hashtable 的区别主要体现在实现线程安全的方
 
 **JDK1.8的ConcurrentHashMap（TreeBin: 红黑二叉树节点 Node: 链表节点）：**
 
-![JDK1.8的ConcurrentHashMap](https://my-blog-to-use.oss-cn-beijing.aliyuncs.com/2019-6/JDK1.8 ConcurrentHashMap.jpg)
+![JDK1.8的ConcurrentHashMap](https://my-blog-to-use.oss-cn-beijing.aliyuncs.com/2019-6/JDK1.8-ConcurrentHashMap-Structure.jpg)
 
 ## ConcurrentHashMap线程安全的具体实现方式/底层具体实现