有用过天天家教源码的吗？小弟我的无法安装，如何安装啊

有用过天天家教源码的吗？我的无法安装，怎么安装啊？
有用过天天家教源码的吗？我的无法安装，总是显示连接不上数据库。我各种改了数据库信息，但还是连不上。有用过并能成功安装上的教一下呗！错误代码如下：


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错误位置:　FILE: D:\wamp\www\website\ThinkPHP\Lib\Think\Db\Db.class.php　LINE: 243

[ 错误信息 ]

Access denied for user 'root'@'localhost' (using password: YES)

[ TRACE ]

[12-12-30 21:04:12] D:\wamp\www\website\ThinkPHP\Lib\Think\Db\Db.class.php (243) DbMysql->connect()
[12-12-30 21:04:12] D:\wamp\www\website\ThinkPHP\Lib\Think\Db\Driver\DbMysql.class.php (110) Db->initConnect()
[12-12-30 21:04:12] D:\wamp\www\website\ThinkPHP\Lib\Think\Db\Driver\DbMysql.class.php (262) DbMysql->query(SHOW COLUMNS FROM `info_detail`)
[12-12-30 21:04:12] D:\wamp\www\website\ThinkPHP\Lib\Think\Core\Model.class.php (136) DbMysql->getFields(info_detail)
[12-12-30 21:04:12] D:\wamp\www\website\ThinkPHP\Lib\Think\Core\Model.class.php (120) Model->flush()
[12-12-30 21:04:12] D:\wamp\www\website\ThinkPHP\Lib\Think\Core\Model.class.php (98) Model->_checkTableInfo()
[12-12-30 21:04:12] D:\wamp\www\website\Lib\Action\Public\PublicInfo.class.php (12) Model->__construct(info_detail)
[12-12-30 21:04:12] D:\wamp\www\website\Lib\Action\Public\PublicInfo.class.php (86) PublicInfo->getInfo(info_detail, ttedu_btype_id, 17, 6)
[12-12-30 21:04:12] D:\wamp\www\website\Lib\Action\Home\IndexAction.class.php (11) PublicInfo->right_foot()
[12-12-30 21:04:12] D:\wamp\www\website\Runtime\~runtime.php (2) IndexAction->_initialize()
[12-12-30 21:04:12] D:\wamp\www\website\Runtime\~runtime.php (2) Action->__construct()
[12-12-30 21:04:12] D:\wamp\www\website\Runtime\~runtime.php (2) A(Home.Index)
[12-12-30 21:04:12] D:\wamp\www\website\Runtime\~runtime.php (2) App::exec()
[12-12-30 21:04:12] D:\wamp\www\website\index.php (20) App::run()


天天家教??源码

------解决方案--------------------
找到
FILE: D:\wamp\www\website\ThinkPHP\Lib\Think\Db\Db.class.php　LINE: 243

把mysql的密码写对了