====> putFile result: 
object(Exception)#4 (7) {
  ["message":protected]=>
  string(12) "invalid args"
  ["string":"Exception":private]=>
  string(0) ""
  ["code":protected]=>
  int(0)
  ["file":protected]=>
  string(58) "/var/www/html/ys/vendor/qiniu/php-sdk/src/Qiniu/Config.php"
  ["line":protected]=>
  int(139)
  ["trace":"Exception":private]=>
  array(4) {
    [0]=>
    array(5) {
      ["file"]=>
      string(58) "/var/www/html/ys/vendor/qiniu/php-sdk/src/Qiniu/Config.php"
      ["line"]=>
      int(41)
      ["function"]=>
      string(9) "getRegion"
      ["class"]=>
      string(12) "Qiniu\Config"
      ["type"]=>
      string(2) "->"
    }
    [1]=>
    array(5) {
      ["file"]=>
      string(72) "/var/www/html/ys/vendor/qiniu/php-sdk/src/Qiniu/Storage/FormUploader.php"
      ["line"]=>
      int(61)
      ["function"]=>
      string(9) "getUpHost"
      ["class"]=>
      string(12) "Qiniu\Config"
      ["type"]=>
      string(2) "->"
    }
    [2]=>
    array(5) {
      ["file"]=>
      string(73) "/var/www/html/ys/vendor/qiniu/php-sdk/src/Qiniu/Storage/UploadManager.php"
      ["line"]=>
      int(116)
      ["function"]=>
      string(3) "put"
      ["class"]=>
      string(26) "Qiniu\Storage\FormUploader"
      ["type"]=>
      string(2) "::"
    }
    [3]=>
    array(5) {
      ["file"]=>
      string(69) "/var/www/html/ys/vendor/qiniu/php-sdk/examples/upload_simple_file.php"
      ["line"]=>
      int(31)
      ["function"]=>
      string(7) "putFile"
      ["class"]=>
      string(27) "Qiniu\Storage\UploadManager"
      ["type"]=>
      string(2) "->"
    }
  }
  ["previous":"Exception":private]=>
  NULL
}