fix service error

@@ -91,8 +91,8 @@ module.exports = class extends global.yoho.BaseModel {
 
 
             let uidCookie =
-                `${encodeURIComponent(data.profile_name)}::${encryptionUid}::${data.vip_info.title}::${saltedToken}`;
-            let isStudent = data.vip_info.is_student || 0;
+                `${encodeURIComponent(data.profile_name)}::${encryptionUid}::${_.get(data, 'vip_info.title', '')}::${saltedToken}`; // eslint-disable-line
+            let isStudent = _.get(data, 'vip_info.is_student') || 0;
 
             res.cookie('_UID', uidCookie, {
                 domain: config.cookieDomain