diff --git a/components/popover/demo/placement.md b/components/popover/demo/placement.md
index 5937b4f6dab691e8ff1255cef958fcb55e5ae727..b1944be0ac9f3111a3de2e9efe800e57fa809323 100644
--- a/components/popover/demo/placement.md
+++ b/components/popover/demo/placement.md
@@ -16,45 +16,50 @@ const content =
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ReactDOM.render(
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, document.getElementById('components-popover-demo-placement'));
````
diff --git a/components/popover/index.md b/components/popover/index.md
index 4aeb957fe94e1425c68e5a63c927ded83f90e9de..6f22e723891d4994f027160316fc11ddff54559e 100644
--- a/components/popover/index.md
+++ b/components/popover/index.md
@@ -20,7 +20,7 @@
| 参数 | 说明 | 类型 | 默认值 |
|-----------|------------------------------------------|---------------|--------|
| trigger | 触发行为,可选 `hover/focus/click` | string | hover |
-| placement | 气泡框位置,可选 `top/left/right/bottom` | string | top |
+| placement | 气泡框位置,可选 `top/left/right/bottom/topLeft/topRight/bottomLeft/bottomRight/leftTop/leftBottom/rightTop/rightBottom` | string | top |
| title | 卡片标题 | React.Element | 无 |
| overlay | 卡片内容 | React.Element | 无 |
| prefixCls | 浮层的类名 | string | 无 |
diff --git a/components/tooltip/demo/placement.md b/components/tooltip/demo/placement.md
index e0fc600ccd03957fb5549f66e0772df132d887ac..701b4ed82fec28c578348d15bb1716b766be6101 100644
--- a/components/tooltip/demo/placement.md
+++ b/components/tooltip/demo/placement.md
@@ -12,18 +12,18 @@ const text = 提示文字;
ReactDOM.render(
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@@ -65,8 +65,8 @@ ReactDOM.render(
display: inline-block;
line-height: 32px;
height: 32px;
- width: 90px;
- font-size: 12px;
+ width: 60px;
+ font-size: 14px;
text-align: center;
background: #f5f5f5;
margin-right: 1em;