diff --git a/packages/vant-cli/site/common/style/vars.less b/packages/vant-cli/site/common/style/vars.less
index ca81ab0c0..97b9b4582 100644
--- a/packages/vant-cli/site/common/style/vars.less
+++ b/packages/vant-cli/site/common/style/vars.less
@@ -32,7 +32,7 @@ body {
   --van-doc-link-color: var(--van-doc-blue);
 
   // background
-  --van-doc-background: #eeeff2;
+  --van-doc-background: #eff2f5;
   --van-doc-background-2: var(--van-doc-white);
   --van-doc-background-3: var(--van-doc-white);
   --van-doc-header-background: #011f3c;
diff --git a/packages/vant/docs/markdown/migrate-from-v3.zh-CN.md b/packages/vant/docs/markdown/migrate-from-v3.zh-CN.md
index 68ab4ce5e..10971d932 100644
--- a/packages/vant/docs/markdown/migrate-from-v3.zh-CN.md
+++ b/packages/vant/docs/markdown/migrate-from-v3.zh-CN.md
@@ -8,7 +8,7 @@
 
 ### Picker 组件重构
 
-在之前的版本中，Picker 组件的 API 设计存在较大问题，比如：
+在之前的版本中，Picker 组件的 API 设计存在一些不合理的设计，比如：
 
 - columns 数据格式定义不合理，容易产生误解
 - 数据流不清晰，暴露了过多的实例方法来对数据进行操作