diff --git a/README.md b/README.md
index 859d4de7..e2aab54b 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # MegEngine
 
 <p align="center">
-  <img width="250" height="109" src="logo.png">
+  <img width="128" height="128" src="logo.png">
 </p>
 
 [![](https://img.shields.io/badge/English-%E4%B8%AD%E6%96%87-green.svg)](README_CN.md) [![](https://img.shields.io/badge/Website-MegEngine-green.svg)](https://megengine.org.cn/) [![](https://img.shields.io/badge/License-Apache%202.0-green.svg)](LICENSE) [![](https://img.shields.io/badge/Chat-on%20QQ-green.svg?logo=tencentqq)](https://jq.qq.com/?_wv=1027&k=jJcBU1xi) [![](https://img.shields.io/badge/Discuss-on%20Zhihu-8A2BE2.svg?labelColor=00BFFF&logo=zhihu)](https://www.zhihu.com/people/megengine-bot)
diff --git a/README_CN.md b/README_CN.md
index 92b6191b..cd5c0be7 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -1,7 +1,7 @@
 # MegEngine
 
 <p align="center">
-  <img width="250" height="109" src="logo.png">
+  <img width="128" height="128" src="logo.png">
 </p>
 
 [![](https://img.shields.io/badge/English-%E4%B8%AD%E6%96%87-green.svg)](README.md) [![](https://img.shields.io/badge/Website-MegEngine-green.svg)](https://megengine.org.cn/) [![](https://img.shields.io/badge/License-Apache%202.0-green.svg)](LICENSE) [![](https://img.shields.io/badge/Chat-on%20QQ-green.svg?logo=tencentqq)](https://jq.qq.com/?_wv=1027&k=jJcBU1xi) [![](https://img.shields.io/badge/Discuss-on%20Zhihu-8A2BE2.svg?labelColor=00BFFF&logo=zhihu)](https://www.zhihu.com/people/megengine-bot)
diff --git a/logo.png b/logo.png
index 30dc3724..b5535225 100644
Binary files a/logo.png and b/logo.png differ