diff --git a/README.md b/README.md
index e33a1d7f..e300d5bd 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
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-<img src="https://github.com/CyC2018/InterviewNotes/blob/master/pics/handbook.png" alt="" width="250"/>
+<img src="https://github.com/CyC2018/InterviewNotes/blob/master/pics/handbook.png" alt="" width="275"/>
 <br>
 
 # 数据结构与算法