开始删除数据

获取到的文件
array(3) {
  [0]=>
  NULL
  [1]=>
  string(0) ""
  [2]=>
  object(Qiniu_Error)#5 (4) {
    ["Err"]=>
    string(14) "no such bucket"
    ["Reqid"]=>
    string(16) "ERIAADCmPv_BpZoU"
    ["Details"]=>
    string(0) ""
    ["Code"]=>
    int(631)
  }
}