修改 cookie 有效期

@@ -35,7 +35,7 @@ let _renderData = {
  */
 let _channelPage = (req, res, data) => {
     res.cookie('_Channel', data.gender, {
-        maxAge: 2592000,
+        maxAge: 2592000000,
         domain: 'yohobuy.com'
     });
     return channelModel.getChannelData({ // TODO 内部的Promise方法必须 return 出来