diff --git a/README.md b/README.md
index 305d929..b85d4d8 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ spring boot 实践学习案例，是 spring boot 初学者及核心技术巩固
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             <a href="https://e.coding.net/?utm_source=JeffLi" target="_blank">
-              <img src="http://www.bysocket.com/wp-content/uploads/2019/03/911551666328_.pic_hd.jpg">
+              <img width="300" src="http://www.bysocket.com/wp-content/uploads/2019/03/911551666328_.pic_hd.jpg">
             </a>
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