diff --git a/packages/vant/src/slider/README.md b/packages/vant/src/slider/README.md
index 4f5093566..7c7d7d3c2 100644
--- a/packages/vant/src/slider/README.md
+++ b/packages/vant/src/slider/README.md
@@ -159,7 +159,7 @@ export default {
 | active-color | Active color of bar | _string_ | `#1989fa` |
 | inactive-color | Inactive color of bar | _string_ | `#e5e5e5` |
 | range | Whether to enable dual thumb mode | _boolean_ | `false` |
-| reverse `v3.2.1` | Whether to reverse slider | `false` |
+| reverse `v3.2.1` | Whether to reverse slider | _boolean_ | `false` |
 | disabled | Whether to disable slider | _boolean_ | `false` |
 | readonly `v3.0.5` | Whether to be readonly | _boolean_ | `false` |
 | vertical | Whether to display slider vertically | _boolean_ | `false` |
diff --git a/packages/vant/src/slider/README.zh-CN.md b/packages/vant/src/slider/README.zh-CN.md
index 9ac33afe6..099819072 100644
--- a/packages/vant/src/slider/README.zh-CN.md
+++ b/packages/vant/src/slider/README.zh-CN.md
@@ -161,7 +161,7 @@ export default {
 | active-color | 进度条激活态颜色 | _string_ | `#1989fa` |
 | inactive-color | 进度条非激活态颜色 | _string_ | `#e5e5e5` |
 | range | 是否开启双滑块模式 | _boolean_ | `false` |
-| reverse `v3.2.1` | 是否将进度条反转 | `false` |
+| reverse `v3.2.1` | 是否将进度条反转 | _boolean_ | `false` |
 | disabled | 是否禁用滑块 | _boolean_ | `false` |
 | readonly `v3.0.5` | 是否为只读状态，只读状态下无法修改滑块的值 | _boolean_ | `false` |
 | vertical | 是否垂直展示 | _boolean_ | `false` |