diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index befe550..5edf86c 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -31,6 +31,7 @@ IconDataBean(
 )
 ```
 
+- 图标大小建议保持在 50x50
 - 提交时请将后方的注释删除，否则不予合并代码
 
 ## 其它要求