8.2.6升级11.5，同步数据后，页面打不开已解决悬赏10积分

22:08:46 Uncaught PDOException: SQLSTATE[42000]: Syntax error or access violation: 1142 SELECT command denied to user 'root'@'localhost' for table 'zt_config' in /opt/zbox/app/zentao/framework/router.class.php:45
Stack trace:
#0 /opt/zbox/app/zentao/framework/router.class.php(45): PDO->query('SELECT value FR...')
#1 /opt/zbox/app/zentao/framework/base/router.class.php(383): router->loadLang('common')
#2 /opt/zbox/app/zentao/framework/base/router.class.php(401): baseRouter->__construct('pms', '/opt/zbox/app/z...')
#3 /opt/zbox/app/zentao/www/index.php(30): baseRouter::createApp('pms', '/opt/zbox/app/z...', 'router')
#4 {main}
thrown in /opt/zbox/app/zentao/framework/router.class.php on line 45 when visiting