'json', 'Version' => '2015-01-09', 'AccessKeyId' => config('catch.domains.aliyun.access_key'), 'SignatureMethod' => 'HMAC-SHA1', 'Timestamp' => date('Y-m-d\TH:i:s\Z'), 'SignatureVersion' => '1.0', 'SignatureNonce' => uniqid() ]); $params['Signature'] = (new Aliyun($params))->signature($method); return $params; } }