diff --git a/notes/分布式问题分析.md b/notes/分布式问题分析.md
index 183a40d6..7bf1d686 100644
--- a/notes/分布式问题分析.md
+++ b/notes/分布式问题分析.md
@@ -132,7 +132,7 @@
 - 优点：保证同一IP的客户端都会被hash到同一台服务器上。
 - 缺点：不利于集群扩展，后台服务器数量变更都会影响hash结果。可以采用一致性Hash改进。
 
-<div align="center"> <img src="../pics//2018040301.jpg"/> </div><br>
+<div align="center"> <img src="../pics//2018040302.jpg"/> </div><br>
 
 ## 实现
 
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deleted file mode 100644
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diff --git a/pics/2018040302.jpg b/pics/2018040302.jpg
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