diff --git a/docs/css/margin-left.md b/docs/css/margin-left.md
index af715c539d076f0499b2184bed18fd2af5bc8d4a..cfe70aed0a7b0f764f1a1be6962946a102ee3e9a 100644
--- a/docs/css/margin-left.md
+++ b/docs/css/margin-left.md
@@ -11,9 +11,9 @@
 
 <!-- CSSJSON.margin-left.unixTags -->
 
-**注意**
-app端不支持外边距折叠
-3.98以下版本当position:fixed|absolute时,margin不支持auto
+**注意**  
+- app端不支持外边距折叠  
+- HBuilderX3.98以下版本当 position 设置为 fixed 或 absolute 时， margin不支持 auto  
 
 <!-- CSSJSON.margin-left.compatibility -->