diff --git a/components/slider/index.en-US.md b/components/slider/index.en-US.md
index 265891a70f..e1531c4353 100644
--- a/components/slider/index.en-US.md
+++ b/components/slider/index.en-US.md
@@ -25,14 +25,14 @@ To input a value in a range.
 | range | dual thumb mode | boolean | false |  |
 | reverse | reverse the component | boolean | false |  |
 | step | The granularity the slider can step through values. Must greater than 0, and be divided by (max - min) . When `marks` no null, `step` can be `null`. | number\|null | 1 |  |
-| tipFormatter | Slider will pass its value to `tipFormatter`, and display its value in Tooltip, and hide Tooltip when return value is null. | Function\|null | IDENTITY |  |
+| tipFormatter | Slider will pass its value to `tipFormatter`, and display its value in Tooltip, and hide Tooltip when return value is null. | value => ReactNode\|null | IDENTITY |  |
 | value | The value of slider. When `range` is `false`, use `number`, otherwise, use `[number, number]` | number\|\[number, number] |  |
 | vertical | If true, the slider will be vertical. | Boolean | false |  |
-| onAfterChange | Fire when `onmouseup` is fired. | Function(value) | NOOP |  |
-| onChange | Callback function that is fired when the user changes the slider's value. | Function(value) | NOOP |  |
+| onAfterChange | Fire when `onmouseup` is fired. | (value) => void | NOOP |  |
+| onChange | Callback function that is fired when the user changes the slider's value. | (value) => void | NOOP |  |
 | tooltipPlacement | Set Tooltip display position. Ref [`Tooltip`](/components/tooltip/). | string |  |  |
 | tooltipVisible | If true, Tooltip will show always, or it will not show anyway, even if dragging or hovering. | Boolean |  |  |
-| getTooltipPopupContainer | The DOM container of the Tooltip, the default behavior is to create a div element in body. | Function | () => document.body |  |
+| getTooltipPopupContainer | The DOM container of the Tooltip, the default behavior is to create a div element in body. | (triggerNode) => HTMLElement | () => document.body |  |
 
 ## Methods
 
diff --git a/components/slider/index.zh-CN.md b/components/slider/index.zh-CN.md
index c0c5b6e5d2..e737f020e8 100644
--- a/components/slider/index.zh-CN.md
+++ b/components/slider/index.zh-CN.md
@@ -26,14 +26,14 @@ title: Slider
 | range | 双滑块模式 | boolean | false |  |
 | reverse | 反向坐标轴 | boolean | false |  |
 | step | 步长，取值必须大于 0，并且可被 (max - min) 整除。当 `marks` 不为空对象时，可以设置 `step` 为 `null`，此时 Slider 的可选值仅有 marks 标出来的部分。 | number\|null | 1 |  |
-| tipFormatter | Slider 会把当前值传给 `tipFormatter`，并在 Tooltip 中显示 `tipFormatter` 的返回值，若为 null，则隐藏 Tooltip。 | Function\|null | IDENTITY |  |
+| tipFormatter | Slider 会把当前值传给 `tipFormatter`，并在 Tooltip 中显示 `tipFormatter` 的返回值，若为 null，则隐藏 Tooltip。 | value => ReactNode\|null | IDENTITY |  |
 | value | 设置当前取值。当 `range` 为 `false` 时，使用 `number`，否则用 `[number, number]` | number\|\[number, number] |  |  |
 | vertical | 值为 `true` 时，Slider 为垂直方向 | Boolean | false |  |
-| onAfterChange | 与 `onmouseup` 触发时机一致，把当前值作为参数传入。 | Function(value) | NOOP |  |
-| onChange | 当 Slider 的值发生改变时，会触发 onChange 事件，并把改变后的值作为参数传入。 | Function(value) | NOOP |  |
+| onAfterChange | 与 `onmouseup` 触发时机一致，把当前值作为参数传入。 | (value) => void | NOOP |  |
+| onChange | 当 Slider 的值发生改变时，会触发 onChange 事件，并把改变后的值作为参数传入。 | (value) => void | NOOP |  |
 | tooltipPlacement | 设置 Tooltip 展示位置。参考 [`Tooltip`](/components/tooltip/)。 | string |  |  |
 | tooltipVisible | 值为`true`时，Tooltip 将会始终显示；否则始终不显示，哪怕在拖拽及移入时。 | Boolean |  |  |
-| getTooltipPopupContainer | Tooltip 渲染父节点，默认渲染到 body 上。 | Function | () => document.body |  |
+| getTooltipPopupContainer | Tooltip 渲染父节点，默认渲染到 body 上。 | (triggerNode) => HTMLElement | () => document.body |  |
 
 ## 方法
 
diff --git a/components/slider/style/index.less b/components/slider/style/index.less
index 2a3e562181..492844e859 100644
--- a/components/slider/style/index.less
+++ b/components/slider/style/index.less
@@ -92,6 +92,7 @@
     text-align: center;
     word-break: keep-all;
     cursor: pointer;
+    user-select: none;
 
     &-active {
       color: @text-color;