diff --git a/web/service/inbound.go b/web/service/inbound.go
index 2e047a4f..dbeb7cc0 100644
--- a/web/service/inbound.go
+++ b/web/service/inbound.go
@@ -1317,7 +1317,7 @@ func (s *InboundService) UpdateInboundClient(data *model.Inbound, clientId strin
 	return needRestart, tx.Save(oldInbound).Error
 }
 
-func (s *InboundService) AddTraffic(inboundTraffics []*xray.Traffic, clientTraffics []*xray.ClientTraffic) (error, bool, bool) {
+func (s *InboundService) AddTraffic(inboundTraffics []*xray.Traffic, clientTraffics []*xray.ClientTraffic) (bool, bool, error) {
 	var err error
 	db := database.GetDB()
 	tx := db.Begin()
@@ -1331,11 +1331,11 @@ func (s *InboundService) AddTraffic(inboundTraffics []*xray.Traffic, clientTraff
 	}()
 	err = s.addInboundTraffic(tx, inboundTraffics)
 	if err != nil {
-		return err, false, false
+		return false, false, err
 	}
 	err = s.addClientTraffic(tx, clientTraffics)
 	if err != nil {
-		return err, false, false
+		return false, false, err
 	}
 
 	needRestart0, count, err := s.autoRenewClients(tx)