diff --git a/packages/comi/README.md b/packages/comi/README.md
index 130963641..a622a3c9e 100644
--- a/packages/comi/README.md
+++ b/packages/comi/README.md
@@ -5,7 +5,7 @@ Comi 读 ['kəʊmɪ]，类似中文 科米，是腾讯 Omi 团队开发的小程
 
 ### 预览
 
-<img src="https://github.com/Tencent/omi/raw/master/assets/comi.jpg" width="500">
+<img src="https://github.com/Tencent/omi/raw/master/assets/comi.jpg" width="320">
 
 ### 体验