fix bug

server/workerManager.go

@@ -391,16 +391,19 @@ func (wm *WorkerManager) manageWorker(worker *Worker) error {
 				log.WithField("worker", worker.uuid).Error("task id not match")
 				continue
 			}
+			if task.TaskKind != odysseus.TaskKind_StandardTask {
+				_ = wm.AddWorkerSingle(worker)
+			}
 
 			proof, err := wm.taskResult(worker, task, result)
 			if err != nil {
+				log.WithError(err).Error("task result failed")
 				continue
 			}
 			_ = proof
 
 			worker.recentTask.Remove(result.TaskId)
 			if task.TaskKind != odysseus.TaskKind_StandardTask {
-				_ = wm.AddWorkerSingle(worker)
 				wm.Payment(task)
 			}
 		}