diff --git a/example/pages/sidebar/index.wxml b/example/pages/sidebar/index.wxml
index abb3e713..c1e90a54 100644
--- a/example/pages/sidebar/index.wxml
+++ b/example/pages/sidebar/index.wxml
@@ -8,8 +8,8 @@
 
 <demo-block title="显示徽标">
   <van-sidebar custom-class="custom-sidebar" bind:change="onChange">
-    <van-sidebar-item title="标签名称" info="8" />
-    <van-sidebar-item title="标签名称" info="99" />
+    <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>
 </demo-block>
diff --git a/packages/sidebar-item/index.ts b/packages/sidebar-item/index.ts
index 701c6842..0d5a0b98 100644
--- a/packages/sidebar-item/index.ts
+++ b/packages/sidebar-item/index.ts
@@ -10,6 +10,7 @@ VantComponent({
   },
 
   props: {
+    dot: Boolean,
     info: null,
     title: String
   },
diff --git a/packages/sidebar-item/index.wxml b/packages/sidebar-item/index.wxml
index ba5c2af7..6ae8d538 100644
--- a/packages/sidebar-item/index.wxml
+++ b/packages/sidebar-item/index.wxml
@@ -8,7 +8,8 @@
 >
   <view class="van-sidebar-item__text">
     <van-info
-      wx:if="{{ info !== null }}"
+      wx:if="{{ info !== null || dot }}"
+      dot="{{ dot }}"
       info="{{ info }}"
       custom-style="right: 4px"
     />
diff --git a/packages/sidebar/README.md b/packages/sidebar/README.md
index 57c49ed4..8a73fe7a 100644
--- a/packages/sidebar/README.md
+++ b/packages/sidebar/README.md
@@ -40,14 +40,14 @@ Page({
 });
 ```
 
-### 显示徽标
+### 提示信息
 
-通过`info`属性设置徽标内容
+设置`dot`属性后，会在右上角展示一个小红点。设置`info`属性后，会在右上角展示相应的徽标
 
 ```html
 <van-sidebar active="{{ active }}">
-  <van-sidebar-item title="标签名称" info="8" />
-  <van-sidebar-item title="标签名称" info="99" />
+  <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>
 ```
@@ -77,6 +77,7 @@ Page({
 | 参数 | 说明 | 类型 | 默认值 | 版本 |
 |-----------|-----------|-----------|-------------|-------------|
 | title | 内容 | *string* | `''` | - |
+| dot | 是否显示右上角小红点 | *boolean* | `false` | - |
 | info | 提示消息 | *string \| number* | `''` | - |
 
 ### SidebarItem Event