diff --git a/components/steps/index.jsx b/components/steps/index.jsx
index 362b06234e..35a634a3bc 100644
--- a/components/steps/index.jsx
+++ b/components/steps/index.jsx
@@ -12,12 +12,16 @@ const AntSteps = React.createClass({
     };
   },
   render() {
+    let maxDescriptionWidth = this.props.maxDescriptionWidth;
+    if (this.props.direction === 'vertical') {
+      maxDescriptionWidth = 'auto';
+    }
     return (
       <Steps size={this.props.size}
              current={this.props.current}
              direction={this.props.direction}
              iconPrefix={this.props.iconPrefix}
-             maxDescriptionWidth={this.props.maxDescriptionWidth}
+             maxDescriptionWidth={maxDescriptionWidth}
              prefixCls={this.props.prefixCls}>
         {this.props.children}
       </Steps>
diff --git a/package.json b/package.json
index e366b80557..3ad12c9f5a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "antd",
-  "version": "0.9.1-beta5",
+  "version": "0.9.1-beta6",
   "stableVersion": "0.9.0",
   "title": "Ant Design",
   "description": "一个 UI 设计语言",