object -> array

dist/router.js

@@ -70,7 +70,7 @@ export default class Router {
     }
     use(obj) {
         if (obj instanceof Router) {
-            this.routes = Object.assign(Object.assign({}, this.routes), obj.routes);
+            this.routes = [...this.routes, ...obj.routes];
             this.sortRoutes();
         }
         if (obj instanceof Tpl) {