diff --git a/CHANGELOG.md b/CHANGELOG.md
index 641430ca6..1e5b5dd46 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,8 +3,9 @@
 ## 3.0.1
 
 - 修复 `Input` 在受控状态下，设置 value 为 null 时报错问题 [#1246](https://github.com/XiaoMi/hiui/issues/1246)
-- 优化 `<Timepicker/>` 时间范围选择器，支持字符串格式的 value [#1245](https://github.com/XiaoMi/hiui/issues/1245)
 - 修复 `Select` 设置 autoload 为 true 时无限的调用接口问题 [#1249](https://github.com/XiaoMi/hiui/issues/1249)
+- 修复 `<Timepicker/>` 弹出层在页面底部未翻转到上方问题 [#1253](https://github.com/XiaoMi/hiui/issues/1253)
+- 优化 `<Timepicker/>` 支持字符串格式的 value [#1245](https://github.com/XiaoMi/hiui/issues/1245)
 - 修复 `SelectTree` 弹出层在页面底部不能翻转问题 [#1254](https://github.com/XiaoMi/hiui/issues/1254)
 
 ## 3.0.0
diff --git a/components/date-picker/TimePicker.jsx b/components/date-picker/TimePicker.jsx
index b552ee801..1e73ddebc 100644
--- a/components/date-picker/TimePicker.jsx
+++ b/components/date-picker/TimePicker.jsx
@@ -143,7 +143,6 @@ const TimePicker = ({
           leftGap={0}
           overlayClassName={overlayClassName}
           width={false}
-          preventOverflow
           className={timePopperCls}
           placement={placement}
           onClickOutside={clickOutsideEvent}
diff --git a/components/popper/index.js b/components/popper/index.js
index 8ce94d15c..56d9bc53e 100644
--- a/components/popper/index.js
+++ b/components/popper/index.js
@@ -11,7 +11,6 @@ const AnimationClassName = 'hi-popper_transition'
 /**
  * @param {Function} onClickOutside 点击该元素外的回调方法
  * @param {Function} setOverlayContainer 获取overLay的挂载父级元素 允许用户指定；如果不指定  popper自己处理
- * @param {Boolean} preventOverflow 防止溢出
  */
 const Popper = (props) => {
   const { show, attachEle, setOverlayContainer } = props