diff --git a/docs/markdown/quickstart.zh-CN.md b/docs/markdown/quickstart.zh-CN.md
index 673766b33..3ee3c03b6 100644
--- a/docs/markdown/quickstart.zh-CN.md
+++ b/docs/markdown/quickstart.zh-CN.md
@@ -190,7 +190,7 @@ iPhone X 等机型底部存在底部指示条，指示条的操作区域与页
 <van-number-keyboard safe-area-inset-bottom />
 ```
 
-<img src="https://b.yzcdn.cn/vant/safearea.png" style="margin-top: 30px;">
+<img src="https://b.yzcdn.cn/vant/safearea.png">
 
 ### 组件实例方法
 
diff --git a/packages/vant-cli/site/common/style/highlight.less b/packages/vant-cli/site/common/style/highlight.less
index e0b25a2c8..07cf774c5 100644
--- a/packages/vant-cli/site/common/style/highlight.less
+++ b/packages/vant-cli/site/common/style/highlight.less
@@ -3,7 +3,6 @@
 code {
   position: relative;
   display: block;
-  margin-top: 20px;
   overflow-x: auto;
   color: @van-doc-code-color;
   font-weight: 400;
@@ -16,7 +15,11 @@ code {
 }
 
 pre {
-  margin: 0;
+  margin: 20px 0 0;
+
+  + p {
+    margin-top: 20px;
+  }
 }
 
 .hljs {