diff --git a/src/popover/Popover.tsx b/src/popover/Popover.tsx
index 668bed4f4..cb409e53e 100644
--- a/src/popover/Popover.tsx
+++ b/src/popover/Popover.tsx
@@ -32,6 +32,7 @@ const [name, bem] = createNamespace('popover');
 const popupProps = [
   'show',
   'overlay',
+  'duration',
   'teleport',
   'overlayStyle',
   'overlayClass',
@@ -68,6 +69,7 @@ export default defineComponent({
   props: {
     show: Boolean,
     overlay: Boolean,
+    duration: [Number, String],
     overlayClass: UnknownProp,
     overlayStyle: Object as PropType<CSSProperties>,
     offset: {
diff --git a/src/popover/README.md b/src/popover/README.md
index cd9502855..34b7de05e 100644
--- a/src/popover/README.md
+++ b/src/popover/README.md
@@ -209,6 +209,7 @@ export default {
 | placement | Placement | _string_ | `bottom` |
 | theme | Theme，can be set to `dark` | _string_ | `light` |
 | trigger | Trigger mode，can be set to `manual` | `click` |
+| duration | Transition duration, unit second | _number \| string_ | `0.3` |
 | offset | Distance to reference | _[number, number]_ | `[0, 8]` |
 | overlay | Whether to show overlay | _boolean_ | `false` |
 | overlay-class `v3.0.10` | Custom overlay class | _string \| Array \| object_ | - |
diff --git a/src/popover/README.zh-CN.md b/src/popover/README.zh-CN.md
index 4a0255f00..596357611 100644
--- a/src/popover/README.zh-CN.md
+++ b/src/popover/README.zh-CN.md
@@ -223,6 +223,7 @@ export default {
 | placement | 弹出位置 | _string_ | `bottom` |
 | theme | 主题风格，可选值为 `dark` | _string_ | `light` |
 | trigger | 触发方式，可选值为 `manual` | `click` |
+| duration | 动画时长，单位秒 | _number \| string_ | `0.3` |
 | offset | 出现位置的偏移量 | _[number, number]_ | `[0, 8]` |
 | overlay | 是否显示遮罩层 | _boolean_ | `false` |
 | overlay-class `v3.0.10` | 自定义遮罩层类名 | _string \| Array \| object_ | - |