diff --git a/packages/rate/README.md b/packages/rate/README.md
index 9175f299..da1cf9a7 100644
--- a/packages/rate/README.md
+++ b/packages/rate/README.md
@@ -91,3 +91,11 @@ Page({
 | 类名 | 说明 |
 |-----------|-----------|
 | custom-class | 根节点样式类 |
+| icon-class | 图标样式类 |
+
+### 更新日志
+
+| 版本 | 类型 | 内容 |
+|-----------|-----------|-----------|
+| 0.4.7 | feature | 新增组件 |
+| 0.4.9 | feature | 增加 icon-class 外部样式类 |
diff --git a/packages/rate/index.ts b/packages/rate/index.ts
index bbca4f02..eb36183c 100644
--- a/packages/rate/index.ts
+++ b/packages/rate/index.ts
@@ -3,6 +3,8 @@ import { VantComponent } from '../common/component';
 VantComponent({
   field: true,
 
+  classes: ['icon-class'],
+
   props: {
     readonly: Boolean,
     disabled: Boolean,
diff --git a/packages/rate/index.wxml b/packages/rate/index.wxml
index 401075e7..248ac8c5 100644
--- a/packages/rate/index.wxml
+++ b/packages/rate/index.wxml
@@ -6,6 +6,7 @@
     wx:for="{{ list }}"
     wx:key="index"
     class="van-rate__item"
+    custom-class="icon-class"
     size="{{ size }}px"
     data-index="{{ index }}"
     name="{{ item ? icon : voidIcon }}"