fix: balance issue

backend/app/models/users.go

@@ -167,6 +167,7 @@ func (m *usersModel) Update(ctx context.Context, id int64, userModel *model.User
 	stmt := tbl.
 		UPDATE(
 			tbl.MutableColumns.Except(
+				tbl.Balance,
 				tbl.CreatedAt,
 				tbl.DeletedAt,
 			),