array(8) {
  ["from_ad"]=>
  int(0)
  ["referer"]=>
  string(6) "本站"
  ["user_id"]=>
  int(0)
  ["user_name"]=>
  string(0) ""
  ["email"]=>
  string(0) ""
  ["user_rank"]=>
  int(0)
  ["discount"]=>
  float(1)
  ["login_fail"]=>
  int(0)
}