Pandao CMS pro - 4.0.3 (Sep 5, 2017)
Replace the following files and execute the queries in your SQL manager to perform the updates.
FIXED ISSUES
Missing constant
/common/config-tmp.php
New columns firstname and lastname for users
/common/db.sql
ALTER TABLE pm_user CHANGE name firstname varchar(100);
ALTER TABLE pm_user ADD COLUMN lastname varchar(100) AFTER firstname;
/admin/modules/user/config.xml