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

FILE: D:\wwwroot\t̨��������\wwwroot\ThinkPHP\Lib\Core\Db.class.php 　LINE: 162

[25-07-06 05:57:07] D:\wwwroot\t̨��������\wwwroot\ThinkPHP\Lib\Core\Db.class.php (162) DbMysql->connect(Access denied for user 'root'@'localhost' (using password: NO))
[25-07-06 05:57:07] D:\wwwroot\t̨��������\wwwroot\ThinkPHP\Lib\Driver\Db\DbMysql.class.php (94) Db->initConnect()
[25-07-06 05:57:07] D:\wwwroot\t̨��������\wwwroot\ThinkPHP\Lib\Driver\Db\DbMysql.class.php (213) DbMysql->query()
[25-07-06 05:57:07] D:\wwwroot\t̨��������\wwwroot\ThinkPHP\Lib\Core\Model.class.php (135) DbMysql->getFields(SHOW COLUMNS FROM `think_custom`)
[25-07-06 05:57:07] D:\wwwroot\t̨��������\wwwroot\ThinkPHP\Lib\Core\Model.class.php (123) Model->flush(think_custom)
[25-07-06 05:57:07] D:\wwwroot\t̨��������\wwwroot\ThinkPHP\Lib\Core\Model.class.php (1174) Model->_checkTableInfo()
[25-07-06 05:57:07] D:\wwwroot\t̨��������\wwwroot\ThinkPHP\Lib\Core\Model.class.php (98) Model->db()
[25-07-06 05:57:07] D:\wwwroot\t̨��������\wwwroot\ThinkPHP\Common\common.php (294) Model->__construct(0, )
[25-07-06 05:57:07] D:\wwwroot\t̨��������\wwwroot\Home\Lib\Action\CommonAction.class.php (50) M()
[25-07-06 05:57:07] D:\wwwroot\t̨��������\wwwroot\Home\Lib\Action\CategoryAction.class.php (9) CommonAction->_initialize(custom, , )
[25-07-06 05:57:07] D:\wwwroot\t̨��������\wwwroot\ThinkPHP\Lib\Core\Action.class.php (57) CategoryAction->_initialize(custom)
[25-07-06 05:57:07] D:\wwwroot\t̨��������\wwwroot\ThinkPHP\Common\common.php (321) Action->__construct()
[25-07-06 05:57:07] D:\wwwroot\t̨��������\wwwroot\ThinkPHP\Lib\Core\App.class.php (103) A()
[25-07-06 05:57:07] D:\wwwroot\t̨��������\wwwroot\ThinkPHP\Lib\Core\App.class.php (207) App::exec()
[25-07-06 05:57:07] D:\wwwroot\t̨��������\wwwroot\ThinkPHP\Lib\Core\Think.class.php (39) App::run()
[25-07-06 05:57:07] D:\wwwroot\t̨��������\wwwroot\ThinkPHP\Common\runtime.php (242) Think::start(Category)
[25-07-06 05:57:07] D:\wwwroot\t̨��������\wwwroot\ThinkPHP\ThinkPHP.php (30) require(D:\wwwroot\t̨��������\wwwroot\ThinkPHP\Common\runtime.php)
[25-07-06 05:57:07] D:\wwwroot\t̨��������\wwwroot\index.php (14) require(D:\wwwroot\t̨��������\wwwroot\ThinkPHP\ThinkPHP.php)