diff --git a/index.js b/index.js
index d42686472..86d9ce40b 100644
--- a/index.js
+++ b/index.js
@@ -5,8 +5,8 @@ var antd = {
   tooltip: require('./components/tooltip'),
   tab: require('./components/tab'),
   modal: require('./components/modal'),
-  Menu:require('./components/menu'),
-  Dropdown:require('./components/dropdown')
+  Menu: require('./components/menu'),
+  Dropdown: require('./components/dropdown')
 };
 
 module.exports = window.antd = antd;