Exception

#0 /web/xynew/core/lib/mysql.class.php(21)Controller::halt(Mysql服務器(localhost)連接失敗 
Error Message:Too many connections
Error Code:1040.Warning)
#1 /web/xynew/core/lib/mysql.class.php(157)mysql->__construct(Array)
#2 /web/xynew/core/Model.php(29)mysql::getInstance(Array)
#3 /web/xynew/core/App.php(382)Model->__construct()
#4 /web/xynew/core/Controller.php(293)App::singleton(CategoryModel)
#5 /web/xynew/controllers/Common.php(43)Controller::model(category)
#6 /web/xynew/controllers/ContentController.php(6)Common->__construct()
#7 /web/xynew/core/App.php(146)ContentController->__construct()
#8 /web/xynew/index.php(18)App::run(Array)