Too many connections

FILE: /home/wwwroot/jiahui/Core/Lib/Core/Db.class.php 　LINE: 168

[25-12-18 03:35:12] /home/wwwroot/jiahui/Core/Lib/Core/Db.class.php (168) DbMysql->connect()
[25-12-18 03:35:12] /home/wwwroot/jiahui/Core/Lib/Driver/Db/DbMysql.class.php (96) Db->initConnect()
[25-12-18 03:35:12] /home/wwwroot/jiahui/Core/Lib/Driver/Db/DbMysql.class.php (215) DbMysql->query(SHOW COLUMNS FROM `tbl_type`)
[25-12-18 03:35:12] /home/wwwroot/jiahui/Core/Lib/Core/Model.class.php (135) DbMysql->getFields(tbl_type)
[25-12-18 03:35:12] /home/wwwroot/jiahui/Core/Lib/Core/Model.class.php (123) Model->flush()
[25-12-18 03:35:12] /home/wwwroot/jiahui/Core/Lib/Core/Model.class.php (1156) Model->_checkTableInfo()
[25-12-18 03:35:12] /home/wwwroot/jiahui/Core/Lib/Core/Model.class.php (98) Model->db(0, )
[25-12-18 03:35:12] /home/wwwroot/jiahui/Core/Common/common.php (277) Model->__construct(type, , )
[25-12-18 03:35:12] /home/wwwroot/jiahui/Wap/Lib/Action/DmAction.class.php (33) M(type)
[25-12-18 03:35:12] () DmAction->info(1343)
[25-12-18 03:35:12] /home/wwwroot/jiahui/Core/Lib/Core/App.class.php (170) ReflectionMethod->invokeArgs(, Array)
[25-12-18 03:35:12] /home/wwwroot/jiahui/Core/Lib/Core/App.class.php (208) App::exec()
[25-12-18 03:35:12] /home/wwwroot/jiahui/Core/Lib/Core/Think.class.php (39) App::run()
[25-12-18 03:35:12] /home/wwwroot/jiahui/Core/Common/runtime.php (243) Think::start()
[25-12-18 03:35:12] /home/wwwroot/jiahui/Core/ThinkPHP.php (30) require(/home/wwwroot/jiahui/Core/Common/runtime.php)
[25-12-18 03:35:12] /home/wwwroot/jiahui/wap.php (9) require(/home/wwwroot/jiahui/Core/ThinkPHP.php)