diff --git a/README.md b/README.md
index 859d4de79b3ed126de6cabdd77b361ac2b43280e..e2aab54b4bac4f7d4b2f5df069d339a6b00434d5 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 92b6191be258306bac2ca07623a33c214a963a07..cd5c0be7dc083b3d381e25984ce820287a1a3ca8 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 30dc3724d55c05e7f07688fef5dc307cfb5d0ec5..b553522547ce6e0d7d6a366002cb7f80fc5a0b7e 100644
Binary files a/logo.png and b/logo.png differ