docs: private RouteDoc extractDocInfo(RouteMeta routeMeta) {
          RouteDoc routeDoc = new RouteDoc();
          routeDoc.setGroup(routeMeta.getGroup());
          routeDoc.setPath(routeMeta.getPath());
          routeDoc.setDescription(routeMeta.getName());
          routeDoc.setType(routeMeta.getType().name().toLowerCase());
          routeDoc.setMark(routeMeta.getExtra());
  
          return routeDoc;
      }