diff --git a/example/pages/sidebar/index.wxml b/example/pages/sidebar/index.wxml
index 16852a19..ca9558f3 100644
--- a/example/pages/sidebar/index.wxml
+++ b/example/pages/sidebar/index.wxml
@@ -2,36 +2,36 @@
   <van-grid-item use-slot>
     <h3 class="demo-sidebar-title">基础用法</h3>
     <van-sidebar custom-class="custom-sidebar">
-      <van-sidebar-item title="标签名称" />
-      <van-sidebar-item title="标签名称" />
-      <van-sidebar-item title="标签名称" />
+      <van-sidebar-item title="标签名" />
+      <van-sidebar-item title="标签名" />
+      <van-sidebar-item title="标签名" />
     </van-sidebar>
   </van-grid-item>
 
   <van-grid-item use-slot>
     <h3 class="demo-sidebar-title">徽标提示</h3>
     <van-sidebar custom-class="custom-sidebar">
-      <van-sidebar-item title="标签名称" dot />
-      <van-sidebar-item title="标签名称" info="5" />
-      <van-sidebar-item title="标签名称" info="99+" />
+      <van-sidebar-item title="标签名" dot />
+      <van-sidebar-item title="标签名" info="5" />
+      <van-sidebar-item title="标签名" info="99+" />
     </van-sidebar>
   </van-grid-item>
 
   <van-grid-item use-slot>
     <h3 class="demo-sidebar-title">禁用选项</h3>
     <van-sidebar custom-class="custom-sidebar">
-      <van-sidebar-item title="标签名称" />
-      <van-sidebar-item title="标签名称" disabled />
-      <van-sidebar-item title="标签名称" />
+      <van-sidebar-item title="标签名" />
+      <van-sidebar-item title="标签名" disabled />
+      <van-sidebar-item title="标签名" />
     </van-sidebar>
   </van-grid-item>
 
   <van-grid-item use-slot>
     <h3 class="demo-sidebar-title">监听切换事件</h3>
     <van-sidebar custom-class="custom-sidebar" bind:change="onChange">
-      <van-sidebar-item title="标签名称1" />
-      <van-sidebar-item title="标签名称2" />
-      <van-sidebar-item title="标签名称3" />
+      <van-sidebar-item title="标签名 1" />
+      <van-sidebar-item title="标签名 2" />
+      <van-sidebar-item title="标签名 3" />
     </van-sidebar>
   </van-grid-item>
 </van-grid>
diff --git a/packages/common/style/var.less b/packages/common/style/var.less
index a932a315..c0659797 100644
--- a/packages/common/style/var.less
+++ b/packages/common/style/var.less
@@ -400,7 +400,7 @@
 @sidebar-disabled-text-color: @gray-5;
 @sidebar-padding: 20px @padding-sm 20px @padding-xs;
 @sidebar-active-color: @active-color;
-@sidebar-background-color: @background-color-light;
+@sidebar-background-color: @background-color;
 @sidebar-selected-font-weight: @font-weight-bold;
 @sidebar-selected-text-color: @text-color;
 @sidebar-selected-border-color: @red;
@@ -541,7 +541,7 @@
 
 // TreeSelect
 @tree-select-font-size: @font-size-md;
-@tree-select-nav-background-color: @background-color-light;
+@tree-select-nav-background-color: @background-color;
 @tree-select-content-background-color: @white;
 @tree-select-nav-item-padding: @padding-sm @padding-xs @padding-sm @padding-sm;
 @tree-select-item-height: 44px;
diff --git a/packages/sidebar/README.md b/packages/sidebar/README.md
index e10975d3..bf777835 100644
--- a/packages/sidebar/README.md
+++ b/packages/sidebar/README.md
@@ -21,9 +21,9 @@
 
 ```html
 <van-sidebar active-key="{{ activeKey }}">
-  <van-sidebar-item title="标签名称" />
-  <van-sidebar-item title="标签名称" />
-  <van-sidebar-item title="标签名称" />
+  <van-sidebar-item title="标签名" />
+  <van-sidebar-item title="标签名" />
+  <van-sidebar-item title="标签名" />
 </van-sidebar>
 ```
 
@@ -41,9 +41,9 @@ Page({
 
 ```html
 <van-sidebar active-key="{{ activeKey }}">
-  <van-sidebar-item title="标签名称" dot />
-  <van-sidebar-item title="标签名称" dot="5" />
-  <van-sidebar-item title="标签名称" dot="99+" />
+  <van-sidebar-item title="标签名" dot />
+  <van-sidebar-item title="标签名" dot="5" />
+  <van-sidebar-item title="标签名" dot="99+" />
 </van-sidebar>
 ```
 
@@ -53,9 +53,9 @@ Page({
 
 ```html
 <van-sidebar active-key="{{ activeKey }}">
-  <van-sidebar-item title="标签名称" />
-  <van-sidebar-item title="标签名称" disabled />
-  <van-sidebar-item title="标签名称" />
+  <van-sidebar-item title="标签名" />
+  <van-sidebar-item title="标签名" disabled />
+  <van-sidebar-item title="标签名" />
 </van-sidebar>
 ```
 
@@ -65,9 +65,9 @@ Page({
 
 ```html
 <van-sidebar active-key="{{ activeKey }}" bind:change="onChange">
-  <van-sidebar-item title="标签名1" />
-  <van-sidebar-item title="标签名2" />
-  <van-sidebar-item title="标签名3" />
+  <van-sidebar-item title="标签名 1" />
+  <van-sidebar-item title="标签名 2" />
+  <van-sidebar-item title="标签名 3" />
 </van-sidebar>
 
 <van-notify id="van-notify" />