diff --git a/packages/steps/README.md b/packages/steps/README.md
index 52c2d816..4e8dd680 100644
--- a/packages/steps/README.md
+++ b/packages/steps/README.md
@@ -88,3 +88,4 @@ Page({
 | 类名 | 说明 |
 |-----------|-----------|
 | custom-class | 根节点样式类 |
+| desc-class | 描述信息样式类 |
diff --git a/packages/steps/index.ts b/packages/steps/index.ts
index 8cc20f58..de649e47 100644
--- a/packages/steps/index.ts
+++ b/packages/steps/index.ts
@@ -2,6 +2,8 @@ import { VantComponent } from '../common/component';
 import { GREEN, GRAY_DARK } from '../common/color';
 
 VantComponent({
+  classes: ['desc-class'],
+
   props: {
     icon: String,
     steps: Array,
diff --git a/packages/steps/index.wxml b/packages/steps/index.wxml
index 08a5f2d6..866c5272 100644
--- a/packages/steps/index.wxml
+++ b/packages/steps/index.wxml
@@ -10,7 +10,7 @@
     >
       <view class="van-step__title" style="{{ index === active ? 'color: ' + activeColor : '' }}">
         <view>{{ item.text }}</view>
-        <view>{{ item.desc }}</view>
+        <view class="desc-class">{{ item.desc }}</view>
       </view>
       <view class="van-step__circle-container">
         <block wx:if="{{ index !== active }}">