diff --git a/code/base-project/base-vue/packages/ao-design/src/list/index.scss b/code/base-project/base-vue/packages/ao-design/src/list/index.scss
index 49a0fee3..e4221f51 100644
--- a/code/base-project/base-vue/packages/ao-design/src/list/index.scss
+++ b/code/base-project/base-vue/packages/ao-design/src/list/index.scss
@@ -10,6 +10,7 @@ $list-prefix: '#{$prefix}-list';
   list-style: none;
   color: $text-color-base;
   background: $bg-color-container;
+
   .#{$list-prefix}-header,
   .#{$list-prefix}-footer {
     background: $bg-color-container;