diff --git a/site/theme/static/home.less b/site/theme/static/home.less
index 2c81591a2e..a12623fcdd 100644
--- a/site/theme/static/home.less
+++ b/site/theme/static/home.less
@@ -63,6 +63,7 @@
 
 .banner-text-wrapper .start-button {
   margin-bottom: 24px;
+  overflow: auto;
 
   > a {
     float: right;
diff --git a/site/theme/template/Home/Banner.jsx b/site/theme/template/Home/Banner.jsx
index 5fc7acbf9e..49b0569392 100644
--- a/site/theme/template/Home/Banner.jsx
+++ b/site/theme/template/Home/Banner.jsx
@@ -25,7 +25,7 @@ export default class Banner extends React.Component {
             <h2 key="h2">ANT <p>DESIGN</p></h2>
             <p key="content"><FormattedMessage id="app.home.slogan" /></p>
             <span className="line" key="line" />
-            <div key="button" className="start-button clearfix">
+            <div key="button" className="start-button">
               <Link to="/docs/spec/introduce">
                 <Icon type="smile-circle" />
                 <FormattedMessage id="app.home.start" />