====> putFile result: 
object(Qiniu\Http\Error)#5 (2) {
  ["url":"Qiniu\Http\Error":private]=>
  string(33) "https://free-qvm-z0-xs.qiniup.com"
  ["response":"Qiniu\Http\Error":private]=>
  object(Qiniu\Http\Response)#7 (6) {
    ["statusCode"]=>
    int(-1)
    ["headers"]=>
    array(0) {
    }
    ["body"]=>
    NULL
    ["error"]=>
    string(98) "Failed to connect to free-qvm-z0-xs.qiniup.com port 443 after 2290 ms: Could not connect to server"
    ["jsonData":"Qiniu\Http\Response":private]=>
    NULL
    ["duration"]=>
    float(2.35)
  }
}