diff --git a/packages/vant/src/barrage/Barrage.tsx b/packages/vant/src/barrage/Barrage.tsx
index 7f5b2c7ac..b83bb2061 100644
--- a/packages/vant/src/barrage/Barrage.tsx
+++ b/packages/vant/src/barrage/Barrage.tsx
@@ -24,7 +24,7 @@ export interface BarrageItem {
 export const barrageProps = {
   top: makeNumericProp(10),
   rows: makeNumericProp(4),
-  speed: makeNumericProp(4000),
+  duration: makeNumericProp(4000),
   autoPlay: truthProp,
   delay: makeNumberProp(300),
   modelValue: makeArrayProp<BarrageItem>(),
@@ -55,7 +55,7 @@ export default defineComponent({
       item.className = className;
       item.innerText = String(text);
 
-      item.style.animationDuration = `${props.speed}ms`;
+      item.style.animationDuration = `${props.duration}ms`;
       item.style.animationDelay = `${delay}ms`;
       item.style.animationName = 'van-barrage';
       item.style.animationTimingFunction = 'linear';
diff --git a/packages/vant/src/barrage/README.md b/packages/vant/src/barrage/README.md
index 29acaf15f..75276b444 100644
--- a/packages/vant/src/barrage/README.md
+++ b/packages/vant/src/barrage/README.md
@@ -2,7 +2,7 @@
 
 ### Intro
 
-To realize the critical subtitle function when watching the video.
+To realize the critical subtitle function when watching the video. Please upgrade `vant` to >= v4.4.0 before using this component.
 
 ### Install
 
@@ -108,7 +108,7 @@ export default {
 | auto-play | Whether to play the bullet screen automatically | _boolean_ | `true` |
 | rows | The number of lines of text | _number \| string_ | `4` |
 | top | Spacing between the top of the barrage area, unit `px` | _number \| string_ | `10` |
-| speed | Speed of passing, unit `ms` | _number \| string_ | `4000` |
+| duration | Text animation duration, unit `ms` | _number \| string_ | `4000` |
 | delay | Barrage animation delay, unit `ms` | _number_ | `300` |
 
 ### Methods
diff --git a/packages/vant/src/barrage/README.zh-CN.md b/packages/vant/src/barrage/README.zh-CN.md
index d8dbbd4ff..0f9ee84d8 100644
--- a/packages/vant/src/barrage/README.zh-CN.md
+++ b/packages/vant/src/barrage/README.zh-CN.md
@@ -2,7 +2,7 @@
 
 ### 介绍
 
-实现观看视频时弹出的评论性字幕功能。
+实现观看视频时弹出的评论性字幕功能。请升级 `vant` 到 >= 4.4.0 版本来使用该组件。
 
 ### 引入
 
@@ -107,14 +107,14 @@ export default {
 
 ### Props
 
-| 参数      | 说明                            | 类型               | 默认值 |
-| --------- | ------------------------------- | ------------------ | ------ |
-| v-model   | 弹幕数据                        | _BarrageItem[]_    | -      |
-| auto-play | 是否自动播放弹幕                | _boolean_          | `true` |
-| rows      | 弹幕文字行数                    | _number \| string_ | `4`    |
-| top       | 弹幕文字区域顶部间距，单位 `px` | _number \| string_ | `10`   |
-| speed     | 文字滑过容器的时间，单位 `ms`   | _number \| string_ | `4000` |
-| delay     | 弹幕动画延时，单位 `ms`         | _number_           | `300`  |
+| 参数      | 说明                              | 类型               | 默认值 |
+| --------- | --------------------------------- | ------------------ | ------ |
+| v-model   | 弹幕数据                          | _BarrageItem[]_    | -      |
+| auto-play | 是否自动播放弹幕                  | _boolean_          | `true` |
+| rows      | 弹幕文字行数                      | _number \| string_ | `4`    |
+| top       | 弹幕文字区域顶部间距，单位 `px`   | _number \| string_ | `10`   |
+| duration  | 弹幕文字滑过容器的时间，单位 `ms` | _number \| string_ | `4000` |
+| delay     | 弹幕动画延时，单位 `ms`           | _number_           | `300`  |
 
 ### 方法