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 = <div>
 </div>;
 
 ReactDOM.render(<div>
-  <Popover placement="leftTop" title={text} overlay={content} trigger="click">
-    <Button>左上</Button>
-  </Popover>
-  <Popover placement="left" title={text} overlay={content} trigger="click">
-    <Button>左</Button>
-  </Popover>
-  <Popover placement="leftBottom" title={text} overlay={content} trigger="click">
-    <Button>左下</Button>
-  </Popover>
-  <br/>
-  <Popover placement="topLeft" title={text} overlay={content} trigger="click">
-    <Button>上左</Button>
-  </Popover>
-  <Popover placement="top" title={text} overlay={content} trigger="click">
-    <Button>上</Button>
-  </Popover>
-  <Popover placement="topRight" title={text} overlay={content} trigger="click">
-    <Button>上右</Button>
-  </Popover>
-  <br/>
-  <Popover placement="bottomLeft" title={text} overlay={content} trigger="click">
-    <Button>下左</Button>
-  </Popover>
-  <Popover placement="bottom" title={text} overlay={content} trigger="click">
-    <Button>下</Button>
-  </Popover>
-  <Popover placement="bottomRight" title={text} overlay={content} trigger="click">
-    <Button>下右</Button>
-  </Popover>
-  <br/>
-  <Popover placement="rightTop" title={text} overlay={content} trigger="click">
-    <Button>右上</Button>
-  </Popover>
-  <Popover placement="right" title={text} overlay={content} trigger="click">
-    <Button>右</Button>
-  </Popover>
-  <Popover placement="rightBottom" title={text} overlay={content} trigger="click">
-    <Button>右下</Button>
-  </Popover>
+  <div style={{marginLeft: 60}}>
+    <Popover placement="topLeft" title={text} overlay={content} trigger="click">
+      <Button>上左</Button>
+    </Popover>
+    <Popover placement="top" title={text} overlay={content} trigger="click">
+      <Button>上边</Button>
+    </Popover>
+    <Popover placement="topRight" title={text} overlay={content} trigger="click">
+      <Button>上右</Button>
+    </Popover>
+  </div>
+  <div style={{width: 60, float: 'left'}}>
+    <Popover placement="leftTop" title={text} overlay={content} trigger="click">
+      <Button>左上</Button>
+    </Popover>
+    <Popover placement="left" title={text} overlay={content} trigger="click">
+      <Button>左边</Button>
+    </Popover>
+    <Popover placement="leftBottom" title={text} overlay={content} trigger="click">
+      <Button>左下</Button>
+    </Popover>
+  </div>
+  <div style={{width: 60, marginLeft: 270}}>
+    <Popover placement="rightTop" title={text} overlay={content} trigger="click">
+      <Button>右上</Button>
+    </Popover>
+    <Popover placement="right" title={text} overlay={content} trigger="click">
+      <Button>右边</Button>
+    </Popover>
+    <Popover placement="rightBottom" title={text} overlay={content} trigger="click">
+      <Button>右下</Button>
+    </Popover>
+  </div>
+  <div style={{marginLeft: 60, clear: 'both'}}>
+    <Popover placement="bottomLeft" title={text} overlay={content} trigger="click">
+      <Button>下左</Button>
+    </Popover>
+    <Popover placement="bottom" title={text} overlay={content} trigger="click">
+      <Button>下边</Button>
+    </Popover>
+    <Popover placement="bottomRight" title={text} overlay={content} trigger="click">
+      <Button>下右</Button>
+    </Popover>
+  </div>
 </div>, 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 = <span>提示文字</span>;
 
 ReactDOM.render(
   <div>
-    <div style={{marginLeft: 95}}>
+    <div style={{marginLeft: 60}}>
       <Tooltip placement="topLeft" title={text}>
-        <a href="#">上左 topLeft</a>
+        <a href="#">上左</a>
       </Tooltip>
       <Tooltip placement="top" title={text}>
-        <a href="#">上边 top</a>
+        <a href="#">上边</a>
       </Tooltip>
       <Tooltip placement="topRight" title={text}>
-        <a href="#">上右 topRight</a>
+        <a href="#">上右</a>
       </Tooltip>
     </div>
-    <div style={{width: 100, float: 'left'}}>
+    <div style={{width: 60, float: 'left'}}>
       <Tooltip placement="leftTop" title={text}>
         <a href="#">左上</a>
       </Tooltip>
@@ -34,7 +34,7 @@ ReactDOM.render(
         <a href="#">左下</a>
       </Tooltip>
     </div>
-    <div style={{width: 100, float: 'right'}}>
+    <div style={{width: 60, marginLeft: 270}}>
       <Tooltip placement="rightTop" title={text}>
         <a href="#">右上</a>
       </Tooltip>
@@ -45,7 +45,7 @@ ReactDOM.render(
         <a href="#">右下</a>
       </Tooltip>
     </div>
-    <div style={{marginLeft: 95, clear: 'both'}}>
+    <div style={{marginLeft: 60, clear: 'both'}}>
       <Tooltip placement="bottomLeft" title={text}>
         <a href="#">上右</a>
       </Tooltip>
@@ -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;