diff --git a/test/experiments/reaction_station_bioyond.json b/test/experiments/reaction_station_bioyond.json
index 72d8eb68..013855ed 100644
--- a/test/experiments/reaction_station_bioyond.json
+++ b/test/experiments/reaction_station_bioyond.json
@@ -19,8 +19,8 @@
                         "Solid_feeding_vials": "3a160877-87e7-7699-7bc6-ec72b05eb5e6",
                         "Liquid_feeding_vials(non-titration)": "3a167d99-6158-c6f0-15b5-eb030f7d8e47",
                         "Liquid_feeding_solvents": "3a160824-0665-01ed-285a-51ef817a9046",
-                        "Liquid_feeding(titration)": "3a160824-0665-01ed-285a-51ef817a9046",
-                        "Liquid_feeding_beaker": "3a16087e-124f-8ddb-8ec1-c2dff09ca784",
+                        "Liquid_feeding(titration)": "3a16082a-96ac-0449-446a-4ed39f3365b6",
+                        "liquid_feeding_beaker": "3a16087e-124f-8ddb-8ec1-c2dff09ca784",
                         "Drip_back": "3a162cf9-6aac-565a-ddd7-682ba1796a4a"
                     },
                     "material_type_mappings": {
diff --git a/unilabos/resources/itemized_carrier.py b/unilabos/resources/itemized_carrier.py
index 17f63cf4..44074b53 100644
--- a/unilabos/resources/itemized_carrier.py
+++ b/unilabos/resources/itemized_carrier.py
@@ -32,6 +32,7 @@ class Bottle(Well):
         barcode: Optional[str] = "",
         category: str = "container",
         model: Optional[str] = None,
+        **kwargs,
     ):
         super().__init__(
             name=name,
@@ -427,6 +428,7 @@ class BottleCarrier(ItemizedCarrier):
         sites: Optional[Dict[Union[int, str], ResourceHolder]] = None,
         category: str = "bottle_carrier",
         model: Optional[str] = None,
+        **kwargs,
     ):
         super().__init__(
             name=name,
diff --git a/unilabos/ros/nodes/base_device_node.py b/unilabos/ros/nodes/base_device_node.py
index 5900acac..7a311881 100644
--- a/unilabos/ros/nodes/base_device_node.py
+++ b/unilabos/ros/nodes/base_device_node.py
@@ -582,6 +582,7 @@ class BaseROS2DeviceNode(Node, Generic[T]):
         - update: 更新现有资源
         - remove: 从资源树中移除资源
         """
+        from pylabrobot.resources import Resource as ResourcePLR
         try:
             data = json.loads(req.command)
             results = []
@@ -672,7 +673,8 @@ class BaseROS2DeviceNode(Node, Generic[T]):
                         if callable(func):
                             func(found_plr_resources)
                         for plr_resource in found_plr_resources:
-                            plr_resource.parent.unassign_child_resource(plr_resource)
+                            if plr_resource.parent is not None:
+                                plr_resource.parent.unassign_child_resource(plr_resource)
                             self.resource_tracker.remove_resource(plr_resource)
                             self.lab_logger().info(f"移除物料 {plr_resource} 及其子节点")
                         for res in other_plr_resources: