diff --git a/README.md b/README.md
index b95cc562..c72cbe0f 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@
     | <a href="https://liangjingkanji.github.io/document/">贡献代码</a>
     | <a href="https://github.com/liangjingkanji/BRV/releases/latest/download/brv-sample.apk">下载体验</a>
     <br>
-    <img src="https://github.com/liangjingkanji/BRV/blob/master/docs/img/code-preview.png?raw=true" width="350"/>
+    <img src="https://github.com/liangjingkanji/BRV/blob/master/docs/img/code-preview.png?raw=true" width="320"/>
 </p>