diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1,4 +1,8 @@
 
+<p align="center">
+    <img src="https://cdn.142vip.cn/article-notes/img/image-20200605224832237.png">
+</p>
+
 <p align="center">
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diff --git a/数据结构/数据结构.xmind b/数据结构/数据结构.xmind
index 1e1b09b..60b0a8a 100644
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