diff --git a/docs/zh/others/css.md b/docs/zh/others/css.md
index 8974e668..fa9feac5 100644
--- a/docs/zh/others/css.md
+++ b/docs/zh/others/css.md
@@ -28,6 +28,16 @@
 | `.d2-pr-0` | 右内边距 0px |
 | `.d2-pb-0` | 下内边距 0px |
 | `.d2-pl-0` | 左内边距 0px |
+| `.d2-m-5` | 外边距 5px |
+| `.d2-mt-5` | 上外边距 5px |
+| `.d2-mr-5` | 右外边距 5px |
+| `.d2-mb-5` | 下外边距 5px |
+| `.d2-ml-5` | 左外边距 5px |
+| `.d2-p-5` | 内边距 5px |
+| `.d2-pt-5` | 上内边距 5px |
+| `.d2-pr-5` | 右内边距 5px |
+| `.d2-pb-5` | 下内边距 5px |
+| `.d2-pl-5` | 左内边距 5px |
 | `.d2-m-10` | 外边距 10px |
 | `.d2-mt-10` | 上外边距 10px |
 | `.d2-mr-10` | 右外边距 10px |
diff --git a/src/assets/style/public-class.scss b/src/assets/style/public-class.scss
index 3466bf94..08cbc340 100644
--- a/src/assets/style/public-class.scss
+++ b/src/assets/style/public-class.scss
@@ -40,9 +40,9 @@
 }
 
 // 边距相关
-$sizes: (0, 10, 15, 20);
+$sizes: (0, 5, 10, 15, 20);
 
-@for $index from 1 to 5 {
+@for $index from 1 to 6 {
   .#{$prefix}-m-#{nth($sizes, $index)} { margin: #{nth($sizes, $index)}px !important; }
   .#{$prefix}-mt-#{nth($sizes, $index)} { margin-top: #{nth($sizes, $index)}px !important; }
   .#{$prefix}-mr-#{nth($sizes, $index)} { margin-right: #{nth($sizes, $index)}px !important; }