diff --git a/unilabos/devices/workstation/workstation_http_service.py b/unilabos/devices/workstation/workstation_http_service.py
index 4565edea..27f869c0 100644
--- a/unilabos/devices/workstation/workstation_http_service.py
+++ b/unilabos/devices/workstation/workstation_http_service.py
@@ -668,7 +668,7 @@ __all__ = [
 
 if __name__ == "__main__":
     # 简单测试HTTP服务
-    class DummyWorkstation:
+    class BioyondWorkstation:
         device_id = "WS-001"
         
         def process_step_finish_report(self, report_request):
diff --git a/unilabos/resources/graphio.py b/unilabos/resources/graphio.py
index 98f6c74e..6a09d657 100644
--- a/unilabos/resources/graphio.py
+++ b/unilabos/resources/graphio.py
@@ -647,11 +647,11 @@ def resource_bioyond_to_plr(bioyond_materials: list[dict], type_mapping: Dict[st
                     + (detail.get("y", 0) - 1)
                 )
                 bottle = plr_material[number]
-                if detail["name"] in type_mapping:
+                if detail["typeName"] in type_mapping:
                     # plr_material.unassign_child_resource(bottle)
                     plr_material.sites[number] = None
                     plr_material[number] = initialize_resource(
-                        {"name": f'{detail["name"]}_{number}', "class": type_mapping[detail["name"]][0]}, resource_type=ResourcePLR
+                        {"name": f'{detail["name"]}_{number}', "class": type_mapping[detail["typeName"]][0]}, resource_type=ResourcePLR
                     )
                 else:
                     bottle.tracker.liquids = [
diff --git a/unilabos/resources/itemized_carrier.py b/unilabos/resources/itemized_carrier.py
index 44074b53..c56cc8b4 100644
--- a/unilabos/resources/itemized_carrier.py
+++ b/unilabos/resources/itemized_carrier.py
@@ -150,7 +150,7 @@ class ItemizedCarrier(ResourcePLR):
   def assign_resource_to_site(self, resource: ResourcePLR, spot: int):
     if self.sites[spot] is not None and not isinstance(self.sites[spot], ResourceHolder):
       raise ValueError(f"spot {spot} already has a resource, {resource}")
-    self.assign_child_resource(resource, location=self.child_locations.get(str(spot)), spot=spot)
+    self.assign_child_resource(resource, location=self.child_locations.get(list(self._ordering.keys())[spot]), spot=spot)
 
   def unassign_child_resource(self, resource: ResourcePLR):
     found = False