QCloudSMHBatchRestoreRecycleObjectReqeust *req = [QCloudSMHBatchRestoreRecycleObjectReqeust new];
req.priority = self.priority;
req.libraryId = self.libraryId;
req.spaceId = self.spaceId;
req.recycledItemIds = self.batchInfos;
[req setFinishBlock:^(QCloudSMHBatchResult *result, NSError * _Nullable error) {
  //if it is a sync task, obtain the task status from the http status code
  QCloudSMHBatchTaskStatus status = QCloudSMHBatchTaskStatusTypeFromStatus([result __originHTTPURLResponse__].statusCode);
  result.status = status;
  if(status != QCloudSMHBatchTaskStatusWating || error){
      // End when task status is not wait or there is an error
      if(self.finishBlock){
          self.finishBlock(result, error);
      }
  }else{
      // Use the returned taskid to poll task status
      result.taskId;
  }

}];
[[QCloudSMHService defaultSMHService]batchRestoreRecycleObject:req];


QCloudGetTaskStatusRequest *req = [QCloudGetTaskStatusRequest new];
req.spaceId = @"spaceId";
req.libraryId = @"libraryId";
// taskId returned from the previous step
req.taskIdList = @[taskId];
[req setFinishBlock:^(NSArray * _Nonnull result, NSError * _Nonnull error) {

}];
[[QCloudSMHService defaultSMHService] getTaskStatus:req];

QCloudSMHRestoreObjectRequest *req = [QCloudSMHRestoreObjectRequest new];
req.spaceId = @"spaceId";
req.libraryId = @"libraryId";

req.batchInfos = @[@"1"];
[req setFinishBlock:^(QCloudSMHBatchResult *result, NSError *_Nullable error) {

}];
[[QCloudSMHService defaultSMHService] restoreObject:req];