点击开源版后无法访问登陆界面怎么解决？已解决悬赏5积分

报错如下：
09:44:19 ERROR: SQLSTATE[HY000] [1045] Access denied for user 'zentao'@'localhost' (using password: YES) in D:\xampp\zentao\framework\base\router.class.php on line 2145, last called by D:\xampp\zentao\framework\base\router.class.php on line 2103 through function connectByPDO.
in D:\xampp\zentao\framework\base\router.class.php on line 2195 when visiting