Fatal error: Uncaught PDOException: PDO::__construct(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /data/htexamweb/a/sydw/list.php:99 Stack trace: #0 /data/htexamweb/a/sydw/list.php(99): PDO->__construct('mysql:dbname=ht...', 'u_r_yiliao', 'SfddhNslcn#') #1 {main} Next PDOException: SQLSTATE[HY000] [2002] php_network_getaddresses: getaddrinfo failed: Name or service not known in /data/htexamweb/a/sydw/list.php:99 Stack trace: #0 /data/htexamweb/a/sydw/list.php(99): PDO->__construct('mysql:dbname=ht...', 'u_r_yiliao', 'SfddhNslcn#') #1 {main} thrown in /data/htexamweb/a/sydw/list.php on line 99