From 78ec439675001614f626fb7edfdf4f8a0e135df4 Mon Sep 17 00:00:00 2001
From: Shawn Sit <xueqingxiao@gmail.com>
Date: Tue, 28 Jun 2016 17:18:20 +0800
Subject: [PATCH] bugfixs: should use className's value not 'className'.
 (#2202)

---
 components/dropdown/dropdown-button.jsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/dropdown/dropdown-button.jsx b/components/dropdown/dropdown-button.jsx
index e5b330d956..da0cd98e3f 100644
--- a/components/dropdown/dropdown-button.jsx
+++ b/components/dropdown/dropdown-button.jsx
@@ -23,7 +23,7 @@ export default class DropdownButton extends React.Component {
     const { type, overlay, trigger, align, children, className, onClick, ...restProps } = this.props;
     const cls = classNames({
       'ant-dropdown-button': true,
-      className: !!className,
+      [className]: !!className,
     });
     return (
       <ButtonGroup {...restProps} className={cls}>