read-from-undefined-err

@@ -193,11 +193,13 @@ class BackNew {
         let backCount = _.get(req.session, 'backupCaptch.count'); // 短信验证码 发送次数
 
         if (!backCount) {
+            let timeout = _.parseInt(_.get(req, 'session.backupCaptch.timeout'));
+
             /* 如果设置了冻结时间，验证 */
-            let untilTime = (parseInt(req.session.backupCaptch.timeout, 10) -
+            let untilTime = (timeout -
                 parseInt(Date.now(), 10)) / 1000 / 60;
 
-            if (parseInt(Date.now(), 10) < parseInt(req.session.backupCaptch.timeout, 10)) {
+            if (parseInt(Date.now(), 10) < timeout) {
                 return res.json({
                     code: 401,
                     message: '请' + (parseInt(untilTime, 10) + 1) + '分钟后尝试！'