Exception Trace

Code:	[2002] can not connect database.please check the config file.
Message:	SQLSTATE[HY000] [2002] 由于连接方在一段时间后没有正确答复或连接的主机没有反应，连接尝试失败。
File:	D:\wwwroot\shmingen\web\vendor\phoenix\framework\src\Phoenix\PXPDO\AbstractDAO.php (Line:852)
Trace:	#0 D:\wwwroot\shmingen\web\vendor\phoenix\framework\src\Phoenix\PXPDO\AbstractDAO.php(852): PDO->__construct('mysql:host=loca...', 'myshmingen', 'DL63v6TfA7cIbwj...', Array) #1 D:\wwwroot\shmingen\web\vendor\phoenix\framework\src\Phoenix\PXPDO\AbstractDAO.php(484): Phoenix\PXPDO\AbstractDAO->_lazyConn() #2 D:\wwwroot\shmingen\web\vendor\phoenix\framework\src\Phoenix\PXPDO\AbstractDAO.php(456): Phoenix\PXPDO\AbstractDAO->prepare('SELECT c., cs....', Array, 'READ_ONE') #3 D:\wwwroot\shmingen\web\vendor\phoenix\framework\src\Phoenix\PXPDO\AbstractDAO.php(719): Phoenix\PXPDO\AbstractDAO->prepareBindLevel2Cache('SELECT c., cs....', Array, 'READ_ONE') #4 D:\wwwroot\shmingen\web\vendor\phoenix\framework\src\Phoenix\PXPDO\Mysql.php(101): Phoenix\PXPDO\AbstractDAO->sqlDataReadOne('SELECT c.*, cs....', Array) #5 D:\wwwroot\shmingen\web\vendor\phoenix\framework\src\Phoenix\PXPDO\AbstractDecorator.php(205): Phoenix\PXPDO\Mysql->find() #6 D:\wwwroot\shmingen\web\app\Repository\Impl\CategoryImpl.php(23): Phoenix\PXPDO\AbstractDecorator->find() #7 D:\wwwroot\shmingen\web\app\Service\Impl\ArchivesImpl.php(46): App\Repository\Impl\CategoryImpl->find('sitemap', 0) #8 D:\wwwroot\shmingen\web\app\ZhCN\Index.php(74): App\Service\Impl\ArchivesImpl->getCategoryRs('sitemap', true) #9 D:\wwwroot\shmingen\web\vendor\phoenix\framework\src\Phoenix\Routing\ProxyHandler.php(403): App\ZhCN\Index->category(true) #10 D:\wwwroot\shmingen\web\vendor\phoenix\framework\src\Phoenix\Routing\ProxyFactory.php(729): Phoenix\Routing\ProxyHandler->invoke('category', Array) #11 D:\wwwroot\shmingen\web\vendor\phoenix\framework\src\Phoenix\Routing\Controller.php(1094): Phoenix\Routing\ProxyFactory->invoke('App\\ZhCN\\Index', 'category', Array) #12 D:\wwwroot\shmingen\web\vendor\phoenix\framework\src\Phoenix\Routing\Controller.php(264): Phoenix\Routing\Controller->_controllerLoader() #13 D:\wwwroot\shmingen\web\vendor\phoenix\framework\src\Phoenix\Routing\Controller.php(94): Phoenix\Routing\Controller->_runController() #14 D:\wwwroot\shmingen\web\vendor\phoenix\framework\src\Phoenix\Routing\Controller.php(1293): Phoenix\Routing\Controller->run(Array, false) #15 D:\wwwroot\shmingen\web\vendor\phoenix\framework\src\Phoenix\Foundation\Application.php(135): Phoenix\Routing\Controller::start(Array, false) #16 D:\wwwroot\shmingen\web\vendor\phoenix\framework\src\Phoenix\Foundation\Application.php(36): Phoenix\Foundation\Application::dispatcher('/sitemap.xml') #17 D:\wwwroot\shmingen\web\app.php(5): Phoenix\Foundation\Application::bootstrap() #18 {main}