Too many connections

FILE: /alidata/www/oceanhood/Core/ThinkPHP/Lib/Core/Db.class.php 　LINE: 162

[23-03-30 13:17:03] /alidata/www/oceanhood/Core/ThinkPHP/Lib/Core/Db.class.php (162) DbMysql->connect()
[23-03-30 13:17:03] /alidata/www/oceanhood/Core/ThinkPHP/Lib/Driver/Db/DbMysql.class.php (94) Db->initConnect()
[23-03-30 13:17:03] /alidata/www/oceanhood/Core/ThinkPHP/Lib/Driver/Db/DbMysql.class.php (213) DbMysql->query(SHOW COLUMNS FROM `rh_news`)
[23-03-30 13:17:03] /alidata/www/oceanhood/Core/ThinkPHP/Lib/Core/Model.class.php (135) DbMysql->getFields(rh_news)
[23-03-30 13:17:03] /alidata/www/oceanhood/Core/ThinkPHP/Lib/Core/Model.class.php (123) Model->flush()
[23-03-30 13:17:03] /alidata/www/oceanhood/Core/ThinkPHP/Lib/Core/Model.class.php (1174) Model->_checkTableInfo()
[23-03-30 13:17:03] /alidata/www/oceanhood/Core/ThinkPHP/Lib/Core/Model.class.php (98) Model->db(0, )
[23-03-30 13:17:03] /alidata/www/oceanhood/Core/ThinkPHP/Common/common.php (276) Model->__construct(News)
[23-03-30 13:17:03] /alidata/www/oceanhood/App/Lib/Action/Home/NewsAction.class.php (162) D(News)
[23-03-30 13:17:03] () NewsAction->info()
[23-03-30 13:17:03] /alidata/www/oceanhood/Core/ThinkPHP/Lib/Core/App.class.php (171) ReflectionMethod->invoke()
[23-03-30 13:17:03] /alidata/www/oceanhood/Core/ThinkPHP/Lib/Core/App.class.php (207) App::exec()
[23-03-30 13:17:03] /alidata/www/oceanhood/Core/ThinkPHP/Lib/Core/Think.class.php (39) App::run()
[23-03-30 13:17:03] /alidata/www/oceanhood/Core/ThinkPHP/Common/runtime.php (242) Think::start()
[23-03-30 13:17:03] /alidata/www/oceanhood/Core/ThinkPHP/ThinkPHP.php (35) require(/alidata/www/oceanhood/Core/ThinkPHP/Common/runtime.php)
[23-03-30 13:17:03] /alidata/www/oceanhood/index.php (20) require(/alidata/www/oceanhood/Core/ThinkPHP/ThinkPHP.php)