diff --git a/unilabos/ros/nodes/base_device_node.py b/unilabos/ros/nodes/base_device_node.py
index febc95f2..e52ea80d 100644
--- a/unilabos/ros/nodes/base_device_node.py
+++ b/unilabos/ros/nodes/base_device_node.py
@@ -705,8 +705,8 @@ class BaseROS2DeviceNode(Node, Generic[T]):
             return {
                 "success": True,
                 "action": "remove",
-                "removed_plr": found_plr_resources,
-                "removed_other": other_plr_resources,
+                # "removed_plr": found_plr_resources,
+                # "removed_other": other_plr_resources,
             }
 
         def _handle_update(
@@ -736,13 +736,11 @@ class BaseROS2DeviceNode(Node, Generic[T]):
                     self.lab_logger().info(f"物料改名操作：{old_name} -> {new_name}")
 
                     # 收集所有相关的uuid（包括子节点）
-                    all_uuids = self.resource_tracker.loop_gather_uuid(original_instance)
-                    _handle_remove(all_uuids)
+                    _handle_remove([original_instance.unilabos_uuid])
                     original_instance.name = new_name
                     _handle_add([original_instance], tree_set, additional_add_params)
 
                     self.lab_logger().info(f"物料改名完成：{old_name} -> {new_name}")
-                    continue
 
                 # 常规更新：不涉及改名
                 original_parent_resource = original_instance.parent
@@ -827,7 +825,7 @@ class BaseROS2DeviceNode(Node, Generic[T]):
 
             # 返回处理结果
             result_json = {"results": results, "total": len(data)}
-            res.response = json.dumps(result_json, ensure_ascii=False)
+            res.response = json.dumps(result_json, ensure_ascii=False, cls=TypeEncoder)
             self.lab_logger().info(f"[Resource Tree Update] Completed processing {len(data)} operations")
 
         except json.JSONDecodeError as e:
diff --git a/unilabos/ros/nodes/presets/host_node.py b/unilabos/ros/nodes/presets/host_node.py
index 5c43a5d0..7a8806d4 100644
--- a/unilabos/ros/nodes/presets/host_node.py
+++ b/unilabos/ros/nodes/presets/host_node.py
@@ -165,29 +165,16 @@ class HostNode(BaseROS2DeviceNode):
                     # resources_config 的 root node 是
                     # # 创建反向映射：new_uuid -> old_uuid
                     # reverse_uuid_mapping = {new_uuid: old_uuid for old_uuid, new_uuid in uuid_mapping.items()}
-                    # for tree in resources_config.trees:
-                    #     node = tree.root_node
-                    #     if node.res_content.type == "device":
-                    #         if node.res_content.id == "host_node":
-                    #             continue
-                    #         # slave节点走c2s更新接口，拿到add自行update uuid
-                    #         device_tracker = self.devices_instances[node.res_content.id].resource_tracker
-                    #         old_uuid = reverse_uuid_mapping.get(node.res_content.uuid)
-                    #         if old_uuid:
-                    #             # 找到旧UUID，使用UUID查找
-                    #             resource_instance = device_tracker.uuid_to_resources.get(old_uuid)
-                    #         else:
-                    #             # 未找到旧UUID，使用name查找
-                    #             resource_instance = device_tracker.figure_resource(
-                    #                 {"name": node.res_content.name}
-                    #             )
-                    #         device_tracker.loop_update_uuid(resource_instance, uuid_mapping)
-                    #     else:
-                    #         try:
-                    #             for plr_resource in ResourceTreeSet([tree]).to_plr_resources():
-                    #                 self.resource_tracker.add_resource(plr_resource)
-                    #         except Exception as ex:
-                    #             self.lab_logger().warning("[Host Node-Resource] 根节点物料序列化失败！")
+                    for tree in resources_config.trees:
+                        node = tree.root_node
+                        if node.res_content.type == "device":
+                            continue
+                        else:
+                            try:
+                                for plr_resource in ResourceTreeSet([tree]).to_plr_resources():
+                                    self._resource_tracker.add_resource(plr_resource)
+                            except Exception as ex:
+                                self.lab_logger().warning(f"[Host Node-Resource] 根节点物料{tree}序列化失败！")
         except Exception as ex:
             logger.error(f"[Host Node-Resource] 添加物料出错！\n{traceback.format_exc()}")
         # 初始化Node基类，传递空参数覆盖列表