diff --git a/unilabos/ros/nodes/presets/workstation.py b/unilabos/ros/nodes/presets/workstation.py
index 5a1eaa75..f8fbe97d 100644
--- a/unilabos/ros/nodes/presets/workstation.py
+++ b/unilabos/ros/nodes/presets/workstation.py
@@ -241,7 +241,7 @@ class ROS2WorkstationNode(BaseROS2DeviceNode):
                             raw_data = json.loads(response.response)
                             tree_set = ResourceTreeSet.from_raw_list(raw_data)
                             target = tree_set.dump()
-                            protocol_kwargs[k] = target[0]
+                            protocol_kwargs[k] = target[0][0] if v == "unilabos_msgs/Resource" else target
                         except Exception as ex:
                             self.lab_logger().error(f"查询资源失败: {k}, 错误: {ex}\n{traceback.format_exc()}")
                             raise