diff --git a/docs/uni-app-x/css/overflow.md b/docs/uni-app-x/css/overflow.md
index 1f6a5791ac4346d7d532eceafbb70043fa032b2d..bf98711d918fa86cf8c2ba55bedb662ed25b8acf 100644
--- a/docs/uni-app-x/css/overflow.md
+++ b/docs/uni-app-x/css/overflow.md
@@ -15,6 +15,7 @@
 
 <!-- CSSJSON.overflow.reference -->
 
-### Bug
+### Bug & Tips
 
-- uni-app x 父元素设置 overflow = visible，子元素超出父元素的区域，无法正常响应touch、click事件
\ No newline at end of file
+- Android平台 当元素设置 overflow = visible 后会扩大元素的渲染区域，元素渲染及内存占用存在性能消耗，应尽量避免设置 overflow = visible
+- Android平台 uni-app x 父元素设置 overflow = visible，子元素超出父元素的区域，无法正常响应touch、click事件
\ No newline at end of file