handle wechat auth error

@@ -13,6 +13,7 @@ const log = require(`${library}/logger`);
 const config = require('../../../config/common');
 const AuthHelper = require('../models/auth-helper');
 
+const loginPage = `${config.siteUrl}/passport/login/index`;
 
 function doPassportCallback(openId, nickname, req, res) {
     let shoppingKey = cookie.getShoppingKey(req);
@@ -37,6 +38,7 @@ function doPassportCallback(openId, nickname, req, res) {
                 });
             }
         }).then((redirectTo) => {
+            console.log('redirectTo=', redirectTo);
             return res.redirect(redirectTo);
         }).catch((e) => {
             log.error('频道页面渲染错误:' + JSON.stringify(e));
@@ -49,7 +51,7 @@ const wechat = {
     beforeLogin: (req, res, next) => {
         let refer = req.query.refer;
 
-        refer && res.cookie('refer', encodeURI(refer));
+        refer && res.cookie('refer', encodeURI(refer), {domain: 'yohobuy.com'});
         next();
     },
     login: (req, res, next) => {
@@ -58,7 +60,8 @@ const wechat = {
     callback: (req, res, next) => {
         passport.authenticate('weixin', (err, user) => {
             if (err) {
-                return next(err);
+                log.error(`wechat authenticate error : ${JSON.stringify(err)}`);
+                return res.redirect(loginPage);
             }
             let nickname = user.displayName || user._json.nickname;
             let openId = user.id || user._json.unionid;