无法加载数据库驱动: Think\Db\Driver\

FILE: /www/wwwroot/dx2008.com/ThinkPHP/Library/Think/Db.class.php 　LINE: 42

#0 /www/wwwroot/dx2008.com/ThinkPHP/Library/Think/Db.class.php(42): E('\xE6\x97\xA0\xE6\xB3\x95\xE5\x8A\xA0\xE8\xBD\xBD\xE6\x95\xB0...')
#1 /www/wwwroot/dx2008.com/ThinkPHP/Library/Think/Model.class.php(1421): Think\Db::getInstance('')
#2 /www/wwwroot/dx2008.com/ThinkPHP/Library/Think/Model.class.php(97): Think\Model->db(0, '', true)
#3 /www/wwwroot/dx2008.com/ThinkPHP/Common/functions.php(559): Think\Model->__construct('Config')
#4 /www/wwwroot/dx2008.com/Application/Home/Controller/CommController.class.php(190): D('Config')
#5 /www/wwwroot/dx2008.com/Application/Home/Controller/CommController.class.php(54): Home\Controller\CommController->setConfig()
#6 /www/wwwroot/dx2008.com/ThinkPHP/Library/Think/Controller.class.php(41): Home\Controller\CommController->_initialize()
#7 /www/wwwroot/dx2008.com/ThinkPHP/Common/functions.php(652): Think\Controller->__construct()
#8 /www/wwwroot/dx2008.com/ThinkPHP/Library/Think/App.class.php(89): controller('Product', '')
#9 /www/wwwroot/dx2008.com/ThinkPHP/Library/Think/App.class.php(202): Think\App::exec()
#10 /www/wwwroot/dx2008.com/ThinkPHP/Library/Think/Think.class.php(120): Think\App::run()
#11 /www/wwwroot/dx2008.com/ThinkPHP/ThinkPHP.php(97): Think\Think::start()
#12 /www/wwwroot/dx2008.com/index.php(14): require('/www/wwwroot/dx...')
#13 {main}