array(5) {
  ["code"]=>
  int(15)
  ["msg"]=>
  string(20) "Remote service error"
  ["sub_code"]=>
  string(33) "isp.top-remote-connection-timeout"
  ["sub_msg"]=>
  string(24) "远程服务调用超时"
  ["request_id"]=>
  string(13) "15rpuutihy1xf"
}