Fatal error: Uncaught PDOException: PDO::__construct(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /usr/share/nginx/html/www.xzqy.net/vendor/holine/microphp/src/Model/Base.php:30 Stack trace: #0 /usr/share/nginx/html/www.xzqy.net/vendor/holine/microphp/src/Model/Base.php(30): PDO->__construct() #1 /usr/share/nginx/html/www.xzqy.net/app/Controller/Action/Index/Index/DistrictAction.php(15): MicroPHP\Model\Base->__construct() #2 /usr/share/nginx/html/www.xzqy.net/vendor/holine/microphp/src/Controller/Action/Action.php(16): Holine\Controller\Action\Index\Index\DistrictAction->execute() #3 /usr/share/nginx/html/www.xzqy.net/vendor/holine/microphp/src/Controller/Decorator.php(28): MicroPHP\Controller\Action\Action->execute() #4 /usr/share/nginx/html/www.xzqy.net/vendor/holine/microphp/src/Controller/Decorator/Access.php(28): MicroPHP\Controller\Decorator->execute() #5 /usr/share/nginx/html/www.xzqy.net/vendor/holine/microphp/src/Controller/Decorator.php(28): MicroPHP\Controller\Decorator\Access->execute() #6 /usr/share/nginx/html/www.xzqy.net/vendor/holine/microphp/src/Controller/Decorator/Router.php(69): MicroPHP\Controller\Decorator->execute() #7 /usr/share/nginx/html/www.xzqy.net/vendor/holine/microphp/src/Controller/Decorator.php(28): MicroPHP\Controller\Decorator\Router->execute() #8 /usr/share/nginx/html/www.xzqy.net/vendor/holine/microphp/src/Controller/Decorator/Rewrite.php(25): MicroPHP\Controller\Decorator->execute() #9 /usr/share/nginx/html/www.xzqy.net/public/index.php(5): MicroPHP\Controller\Decorator\Rewrite->execute() #10 {main} Next PDOException: SQLSTATE[HY000] [2002] php_network_getaddresses: getaddrinfo failed: Name or service not known in /usr/share/nginx/html/www.xzqy.net/vendor/holine/microphp/src/Model/Base.php:30 Stack trace: #0 /usr/share/nginx/html/www.xzqy.net/vendor/holine/microphp/src/Model/Base.php(30): PDO->__construct() #1 /usr/share/nginx/html/www.xzqy.net/app/Controller/Action/Index/Index/DistrictAction.php(15): MicroPHP\Model\Base->__construct() #2 /usr/share/nginx/html/www.xzqy.net/vendor/holine/microphp/src/Controller/Action/Action.php(16): Holine\Controller\Action\Index\Index\DistrictAction->execute() #3 /usr/share/nginx/html/www.xzqy.net/vendor/holine/microphp/src/Controller/Decorator.php(28): MicroPHP\Controller\Action\Action->execute() #4 /usr/share/nginx/html/www.xzqy.net/vendor/holine/microphp/src/Controller/Decorator/Access.php(28): MicroPHP\Controller\Decorator->execute() #5 /usr/share/nginx/html/www.xzqy.net/vendor/holine/microphp/src/Controller/Decorator.php(28): MicroPHP\Controller\Decorator\Access->execute() #6 /usr/share/nginx/html/www.xzqy.net/vendor/holine/microphp/src/Controller/Decorator/Router.php(69): MicroPHP\Controller\Decorator->execute() #7 /usr/share/nginx/html/www.xzqy.net/vendor/holine/microphp/src/Controller/Decorator.php(28): MicroPHP\Controller\Decorator\Router->execute() #8 /usr/share/nginx/html/www.xzqy.net/vendor/holine/microphp/src/Controller/Decorator/Rewrite.php(25): MicroPHP\Controller\Decorator->execute() #9 /usr/share/nginx/html/www.xzqy.net/public/index.php(5): MicroPHP\Controller\Decorator\Rewrite->execute() #10 {main} thrown in /usr/share/nginx/html/www.xzqy.net/vendor/holine/microphp/src/Model/Base.php on line 30