diff --git a/unilabos/devices/liquid_handling/liquid_handler_abstract.py b/unilabos/devices/liquid_handling/liquid_handler_abstract.py
index 32e370fe..6aefaf31 100644
--- a/unilabos/devices/liquid_handling/liquid_handler_abstract.py
+++ b/unilabos/devices/liquid_handling/liquid_handler_abstract.py
@@ -1,11 +1,11 @@
 from __future__ import annotations
-import re
-import traceback
-from typing import List, Sequence, Optional, Literal, Union, Iterator, Dict, Any, Callable, Set, cast
-from collections import Counter
+
 import asyncio
 import time
-import pprint as pp
+import traceback
+from collections import Counter
+from typing import List, Sequence, Optional, Literal, Union, Iterator, Dict, Any, Callable, Set, cast
+
 from pylabrobot.liquid_handling import LiquidHandler, LiquidHandlerBackend, LiquidHandlerChatterboxBackend, Strictness
 from pylabrobot.liquid_handling.liquid_handler import TipPresenceProbingMethod
 from pylabrobot.liquid_handling.standard import GripDirection
diff --git a/unilabos/ros/nodes/resource_tracker.py b/unilabos/ros/nodes/resource_tracker.py
index fc3ca7a0..085ce028 100644
--- a/unilabos/ros/nodes/resource_tracker.py
+++ b/unilabos/ros/nodes/resource_tracker.py
@@ -894,7 +894,7 @@ class DeviceNodeResourceTracker(object):
                 new_uuid = name_to_uuid_map[resource_name]
                 self.set_resource_uuid(res, new_uuid)
                 self.uuid_to_resources[new_uuid] = res
-                logger.debug(f"设置资源UUID: {resource_name} -> {new_uuid}")
+                logger.trace(f"设置资源UUID: {resource_name} -> {new_uuid}")
                 return 1
             return 0
 
@@ -917,7 +917,8 @@ class DeviceNodeResourceTracker(object):
             if resource_name and resource_name in name_to_extra_map:
                 extra = name_to_extra_map[resource_name]
                 self.set_resource_extra(res, extra)
-                logger.debug(f"设置资源Extra: {resource_name} -> {extra}")
+                if len(extra):
+                    logger.debug(f"设置资源Extra: {resource_name} -> {extra}")
                 return 1
             return 0
 
@@ -986,9 +987,10 @@ class DeviceNodeResourceTracker(object):
             if current_uuid:
                 old = self.uuid_to_resources.get(current_uuid)
                 self.uuid_to_resources[current_uuid] = res
-                logger.debug(
+                logger.trace(
                     f"收集资源UUID映射: {current_uuid} -> {res} {'' if old is None else f'(覆盖旧值: {old})'}"
                 )
+                return 1
             return 0
 
         self._traverse_and_process(resource, process)