diff --git a/modules/eventsource/manager_run.go b/modules/eventsource/manager_run.go
index 857eaee22..252a0ec88 100644
--- a/modules/eventsource/manager_run.go
+++ b/modules/eventsource/manager_run.go
@@ -31,9 +31,11 @@ loop:
 	for {
 		select {
 		case <-rewardTimer.C:
+			log.Debug("rewardTimer run")
 			now := timeutil.TimeStampNow().Add(-2)
 			list := reward.GetRewardOperation(rewardThen, now)
 			if list != nil {
+				log.Debug("GetRewardOperation list=%v", list)
 				for _, l := range list {
 					m.SendMessage(l.UserId, &Event{
 						Name: "reward-operation",
diff --git a/services/reward/notify.go b/services/reward/notify.go
index 2cd27f007..875dde199 100644
--- a/services/reward/notify.go
+++ b/services/reward/notify.go
@@ -29,6 +29,7 @@ func GetRewardOperation(since, until timeutil.TimeStamp) []models.UserRewardOper
 		return nil
 	}
 	if len(list) == 0 {
+		log.Debug("GetRewardOperation list length = 0")
 		return nil
 	}
 	r := make([]models.UserRewardOperation, len(list))