Warning: PDO::__construct() [pdo.--construct]: php_network_getaddresses: getaddrinfo failed: 不知道这样的主机。 in E:\kehu\yikatong\framework\class\db.class.php on line 55

Warning: PDO::__construct() [pdo.--construct]: [2002] php_network_getaddresses: getaddrinfo failed: 不知道这样的主机。 (trying to connect via tcp://rm-m5eetn12ifcam8x54.mysql.rds.aliyuncs.com:3306) in E:\kehu\yikatong\framework\class\db.class.php on line 55

Fatal error: Uncaught exception 'PDOException' with message 'SQLSTATE[HY000] [2002] php_network_getaddresses: getaddrinfo failed: 不知道这样的主机。 ' in E:\kehu\yikatong\framework\class\db.class.php:55 Stack trace: #0 E:\kehu\yikatong\framework\class\db.class.php(55): PDO->__construct('mysql:dbname=yi...', 'yikatong', 'SDzhongxinykt6', Array) #1 E:\kehu\yikatong\framework\class\db.class.php(25): DB->connect('master') #2 E:\kehu\yikatong\framework\function\pdo.func.php(22): DB->__construct('master') #3 E:\kehu\yikatong\framework\function\pdo.func.php(61): pdo() #4 E:\kehu\yikatong\framework\function\cache.mysql.func.php(10): pdo_getcolumn('core_cache', Array, 'value') #5 E:\kehu\yikatong\framework\function\cache.func.php(39): cache_read('setting') #6 E:\kehu\yikatong\framework\model\setting.mod.php(34): cache_load('setting') #7 E:\kehu\yikatong\framework\bootstrap.inc.php(126): setting_load() #8 E:\kehu\yikatong\index.php(6): require('E:\kehu\yikaton...') #9 {main} thrown in E:\kehu\yikatong\framework\class\db.class.php on line 55