数据库取出数据集问题 about imi HOT 2 CLOSED

'sync'    =>    [
    'pool'    =>    [
        'class'        =>    \Imi\Db\Pool\SyncDbPool::class,
        'config'    =>    [
            'maxResources'    =>    8,
            'minResources'    =>    0,
        ],
    ],
    'resource'    =>    [
        'host'        => '127.0.0.1',
        'port'        => 3306,
        'username'    => 'root',
        'password'    => 'root',
        'database'    => 'database',
        'charset'     => 'utf8mb4',
        'options'   =>  [
            \PDO::ATTR_STRINGIFY_FETCHES    =>  false,
            \PDO::ATTR_EMULATE_PREPARES     =>  false,
        ],
    ],
],