array(3) {   ["code"]=>   string(10) "SIGN_ERROR"   ["detail"]=>   array(4) {     ["detail"]=>     array(1) {       ["issue"]=>       string(14) "sign not match"     }     ["field"]=>     string(9) "signature"     ["location"]=>     string(13) "authorization"     ["sign_information"]=>     array(4) {       ["method"]=>       string(4) "POST"       ["sign_message_length"]=>       int(321)       ["truncated_sign_message"]=>       string(84) "POST /v3/merchant/media/upload 1******6 79***a2***2**********                ["url"]=>       string(25) "/v3/merchant/media/upload"     }   }   ["message"]=>   string(30) "错误的签名，验签失败"