Array
(
    [0] => 
    [1] => Qiniu\Http\Error Object
        (
            [url:Qiniu\Http\Error:private] => http:///prefetch/OnFpbml1Lm1wNA==
            [response:Qiniu\Http\Error:private] => Qiniu\Http\Response Object
                (
                    [statusCode] => -1
                    [headers] => Array
                        (
                        )

                    [body] => 
                    [error] => Could not resolve host: prefetch
                    [jsonData:Qiniu\Http\Response:private] => 
                    [duration] => 0.042
                )

        )

)