diff --git a/backend/service/client.go b/backend/service/client.go
index cccf260..b782836 100644
--- a/backend/service/client.go
+++ b/backend/service/client.go
@@ -251,7 +251,7 @@ func (s *ClientService) UpdateClientsOnInboundDelete(tx *gorm.DB, id uint, tag s
 func (s *ClientService) UpdateLinksByInboundChange(tx *gorm.DB, inbounIds []uint, hostname string) error {
 	var inbounds []model.Inbound
 	err := tx.Model(model.Inbound{}).Preload("Tls").Where("id in ? and type in ?", inbounIds, util.InboundTypeWithLink).Find(&inbounds).Error
-	if err != nil && err != gorm.ErrRecordNotFound {
+	if err != nil && database.IsNotFound(err) {
 		return err
 	}
 	for _, inbound := range inbounds {
diff --git a/backend/service/inbounds.go b/backend/service/inbounds.go
index 7b4aeea..1ff63a0 100644
--- a/backend/service/inbounds.go
+++ b/backend/service/inbounds.go
@@ -96,7 +96,7 @@ func (s *InboundService) FromIds(ids []uint) ([]*model.Inbound, error) {
 	return inbounds, nil
 }
 
-func (s *InboundService) Save(tx *gorm.DB, act string, data json.RawMessage, initUsers string, hostname string) (uint, error) {
+func (s *InboundService) Save(tx *gorm.DB, act string, data json.RawMessage, initUserIds string, hostname string) (uint, error) {
 	var err error
 	var id uint
 
@@ -146,7 +146,7 @@ func (s *InboundService) Save(tx *gorm.DB, act string, data json.RawMessage, ini
 			if act == "edit" {
 				inboundConfig, err = s.addUsers(tx, inboundConfig, inbound.Id, inbound.Type)
 			} else {
-				inboundConfig, err = s.initUsers(tx, inboundConfig, initUsers, inbound.Id, inbound.Type)
+				inboundConfig, err = s.initUsers(tx, inboundConfig, initUserIds, inbound.Type)
 			}
 			if err != nil {
 				return 0, err
@@ -270,7 +270,7 @@ func (s *InboundService) addUsers(db *gorm.DB, inboundJson []byte, inboundId uin
 	return json.Marshal(inbound)
 }
 
-func (s *InboundService) initUsers(db *gorm.DB, inboundJson []byte, clientIds string, inboundId uint, inboundType string) ([]byte, error) {
+func (s *InboundService) initUsers(db *gorm.DB, inboundJson []byte, clientIds string, inboundType string) ([]byte, error) {
 	ClientIds := strings.Split(clientIds, ",")
 	if len(ClientIds) == 0 {
 		return inboundJson, nil
diff --git a/backend/service/user.go b/backend/service/user.go
index 6e2920d..3a476f2 100644
--- a/backend/service/user.go
+++ b/backend/service/user.go
@@ -6,8 +6,6 @@ import (
 	"s-ui/logger"
 	"s-ui/util/common"
 	"time"
-
-	"gorm.io/gorm"
 )
 
 type UserService struct {
@@ -63,7 +61,7 @@ func (s *UserService) CheckUser(username string, password string, remoteIP strin
 		Where("username = ? and password = ?", username, password).
 		First(user).
 		Error
-	if err == gorm.ErrRecordNotFound {
+	if database.IsNotFound(err) {
 		return nil
 	} else if err != nil {
 		logger.Warning("check user err:", err, " IP: ", remoteIP)