fix bug

rest.go

@@ -636,9 +636,10 @@ func ModelTypes(ctx context.Context, db *gorm.DB, model any, domainName, labelCo
 	tx := db.WithContext(ctx)
 	result := make([]map[string]any, 0, 10)
 	if domainName == "" {
-		domainName = defaultDomain
+		tx.Model(model).Select(labelColumn, valueColumn).Scan(&result)
+	} else {
+		tx.Model(model).Select(labelColumn, valueColumn).Where("domain=?", domainName).Scan(&result)
 	}
-	tx.Model(model).Select(labelColumn, valueColumn).Where("domain=?", domainName).Scan(&result)
 	values = make([]*types.TypeValue, 0, len(result))
 	for _, pairs := range result {
 		feed := &types.TypeValue{}