diff --git a/features/udm_user/api_udm_user.go b/features/udm_user/api_udm_user.go
index f5c081cc..452d090c 100644
--- a/features/udm_user/api_udm_user.go
+++ b/features/udm_user/api_udm_user.go
@@ -812,6 +812,7 @@ func (s *UdmUserApi) UdmSubUserEdit(w http.ResponseWriter, r *http.Request) {
 	if body.SmData != "" {
 		msg += fmt.Sprintf(",sm_data=%s", body.SmData)
 	}
+	msg += fmt.Sprintf(",static_ip=%s", body.StaticIp)
 
 	// 发送MML
 	data, err := mmlclient.MMLSendMsgToString(neInfo.Ip, msg)
diff --git a/features/udm_user/repo/repo_udm_sub_user.go b/features/udm_user/repo/repo_udm_sub_user.go
index 406c7d97..230fd1a0 100644
--- a/features/udm_user/repo/repo_udm_sub_user.go
+++ b/features/udm_user/repo/repo_udm_sub_user.go
@@ -291,6 +291,7 @@ func (r *RepoUdmSubUser) Update(neID string, authUser model.UdmSubUser) int64 {
 	if authUser.EpsDat != "" && authUser.EpsDat != user.EpsDat {
 		user.EpsDat = authUser.EpsDat
 	}
+	user.StaticIp = authUser.StaticIp
 
 	results, err := datasource.DefaultDB().Table("u_sub_user").Where("imsi = ? and ne_id = ?", user.Imsi, user.NeID).Update(user)
 	if err != nil {