Too many connections

FILE: E:\www\thinkphp\Lib\Core\Db.class.php 　LINE: 162

[24-12-27 07:10:12] E:\www\thinkphp\Lib\Core\Db.class.php (162) DbMysql->connect()
[24-12-27 07:10:12] E:\www\thinkphp\Lib\Driver\Db\DbMysql.class.php (94) Db->initConnect()
[24-12-27 07:10:12] E:\www\thinkphp\Lib\Driver\Db\DbMysql.class.php (213) DbMysql->query(SHOW COLUMNS FROM `news`)
[24-12-27 07:10:12] E:\www\thinkphp\Lib\Core\Model.class.php (135) DbMysql->getFields(news)
[24-12-27 07:10:12] E:\www\thinkphp\Lib\Core\Model.class.php (123) Model->flush()
[24-12-27 07:10:12] E:\www\thinkphp\Lib\Core\Model.class.php (1174) Model->_checkTableInfo()
[24-12-27 07:10:12] E:\www\thinkphp\Lib\Core\Model.class.php (98) Model->db(0, )
[24-12-27 07:10:12] E:\www\thinkphp\Common\common.php (295) Model->__construct(news, , )
[24-12-27 07:10:12] E:\www\Hdgjc\Lib\Action\IndexAction.class.php (283) M(news)
[24-12-27 07:10:12] () IndexAction->company_4()
[24-12-27 07:10:12] E:\www\thinkphp\Lib\Core\App.class.php (171) ReflectionMethod->invoke()
[24-12-27 07:10:12] E:\www\thinkphp\Lib\Core\App.class.php (207) App::exec()
[24-12-27 07:10:12] E:\www\thinkphp\Lib\Core\Think.class.php (39) App::run()
[24-12-27 07:10:12] E:\www\thinkphp\Common\runtime.php (242) Think::start()
[24-12-27 07:10:12] E:\www\thinkphp\ThinkPHP.php (30) require(E:\www\thinkphp\Common\runtime.php)
[24-12-27 07:10:12] E:\www\home.php (9) require(E:\www\thinkphp\ThinkPHP.php)