Access denied for user 'root'@'localhost' (using password: NO)

FILE: D:\wwwroot\f???????\wwwroot\ThinkPHP\Lib\Core\Db.class.php 　LINE: 162

[23-11-17 13:09:11] D:\wwwroot\f???????\wwwroot\ThinkPHP\Lib\Core\Db.class.php (162) DbMysql->connect()
[23-11-17 13:09:11] D:\wwwroot\f???????\wwwroot\ThinkPHP\Lib\Driver\Db\DbMysql.class.php (94) Db->initConnect()
[23-11-17 13:09:11] D:\wwwroot\f???????\wwwroot\ThinkPHP\Lib\Driver\Db\DbMysql.class.php (213) DbMysql->query(SHOW COLUMNS FROM `think_custom`)
[23-11-17 13:09:11] D:\wwwroot\f???????\wwwroot\ThinkPHP\Lib\Core\Model.class.php (135) DbMysql->getFields(think_custom)
[23-11-17 13:09:11] D:\wwwroot\f???????\wwwroot\ThinkPHP\Lib\Core\Model.class.php (123) Model->flush()
[23-11-17 13:09:11] D:\wwwroot\f???????\wwwroot\ThinkPHP\Lib\Core\Model.class.php (1174) Model->_checkTableInfo()
[23-11-17 13:09:11] D:\wwwroot\f???????\wwwroot\ThinkPHP\Lib\Core\Model.class.php (98) Model->db(0, )
[23-11-17 13:09:11] D:\wwwroot\f???????\wwwroot\ThinkPHP\Common\common.php (294) Model->__construct(custom, , )
[23-11-17 13:09:11] D:\wwwroot\f???????\wwwroot\Home\Lib\Action\CommonAction.class.php (50) M(custom)
[23-11-17 13:09:11] D:\wwwroot\f???????\wwwroot\ThinkPHP\Lib\Core\Action.class.php (57) CommonAction->_initialize()
[23-11-17 13:09:11] D:\wwwroot\f???????\wwwroot\ThinkPHP\Common\common.php (321) Action->__construct()
[23-11-17 13:09:11] D:\wwwroot\f???????\wwwroot\ThinkPHP\Lib\Core\App.class.php (103) A(Index)
[23-11-17 13:09:11] D:\wwwroot\f???????\wwwroot\ThinkPHP\Lib\Core\App.class.php (207) App::exec()
[23-11-17 13:09:11] D:\wwwroot\f???????\wwwroot\ThinkPHP\Lib\Core\Think.class.php (39) App::run()
[23-11-17 13:09:11] D:\wwwroot\f???????\wwwroot\ThinkPHP\Common\runtime.php (242) Think::start()
[23-11-17 13:09:11] D:\wwwroot\f???????\wwwroot\ThinkPHP\ThinkPHP.php (30) require(D:\wwwroot\f???????\wwwroot\ThinkPHP\Common\runtime.php)
[23-11-17 13:09:11] D:\wwwroot\f???????\wwwroot\index.php (13) require(D:\wwwroot\f???????\wwwroot\ThinkPHP\ThinkPHP.php)