禅道集成运行环境报错已解决悬赏5积分

报这个错误，不知道怎么解决

17:57:17 ERROR: SQLSTATE[HY000] [1045] Access denied for user 'root'@'localhost' (using password: YES) in D:\xampp\zentao\framework\base\router.class.php on line 2164, last called by D:\xampp\zentao\framework\base\router.class.php on line 2115 through function connectByPDO.
in D:\xampp\zentao\framework\base\router.class.php on line 2215 when visiting