add-from

@@ -175,7 +175,8 @@ const common = {
 
         if (req.yoho.isWechat && !passLogin) {
             return res.redirect(helpers.urlFormat('/passport/login/wechat', {
-                refer: req.query.refer || req.get('Referer') || '/'
+                refer: req.query.refer || req.get('Referer') || '/',
+                from: req.query.from
             }));
         }
         next();