fix login refer

@@ -168,9 +168,25 @@ const login = {
     },
     taobaoCallback(req, res, next) {
         passport.authenticate('taobao', (err, user) => {
+            let redirectUrl = loginPage;
+            let referUrl = {};
+            let refer;
+
+            if (req.cookies.ali_backurl) {
+                try {
+                    referUrl = JSON.parse(req.cookies.ali_backurl);
+                } catch(e) {
+                    log.debug(JSON.stringify(e));
+                }
+
+                refer = handleReferUrl(referUrl.b || '');
+            }
+
+            redirectUrl += '?nodownload=1&refer=' + encodeURIComponent(refer || homePage);
+
             if (err || !user) {
                 log.error(`[authenticate error] source_type: taobao | err: ${JSON.stringify(err)}`);
-                return res.redirect(loginPage);
+                return res.redirect(redirectUrl);
             }
 
             const model = req.ctx(passportModel);
@@ -180,19 +196,6 @@ const login = {
                 sourceType: 'taobao',
                 sourceTypeSecond: req.yoho.isAliApp ? 'xianyu' : ''
             }).then(result => {
-                let redirectUrl = loginPage;
-                let referUrl = {};
-
-                if (req.cookies.ali_backurl) {
-                    try {
-                        referUrl = JSON.parse(req.cookies.ali_backurl);
-                    } catch(e) {
-                        log.debug(JSON.stringify(e));
-                    }
-
-                    redirectUrl += '?refer=' + encodeURIComponent(handleReferUrl(referUrl.b || ''));
-                }
-
                 if (result.code === 200) {
                     if (_.get(result, 'data.is_bind') === 'N') {
                         redirectUrl = referUrl.b ? referUrl.b : homePage;