'DB_CONFIG1' => array(
'DB_TYPE' => 'sqlsrv', // 数据库类型
'DB_HOST' => '127.0.0.1', // 服务器地址
'DB_NAME' => 'nhgcva', // 数据库名
'DB_USER' => 'test', // 用户名
'DB_PWD' => 'test', // 密码
'DB_PORT' => '1433', // 端口
'DB_PREFIX' => '',
'DB_CHARSET' => 'utf8',
'DB_PARAMS' => array(\PDO::ATTR_CASE => \PDO::CASE_NATURAL),

),

An unsupported attribute was designated on the PDO object.