change to leap-lab backend. Support feedback interval. Reduce cocurrent lags.

unilabos/app/main.py

@@ -233,7 +233,7 @@ def parse_args():
     parser.add_argument(
         "--addr",
         type=str,
-        default="https://uni-lab.bohrium.com/api/v1",
+        default="https://leap-lab.bohrium.com/api/v1",
         help="Laboratory backend address",
     )
     parser.add_argument(
@@ -438,10 +438,10 @@ def main():
     if args.addr != parser.get_default("addr"):
         if args.addr == "test":
             print_status("使用测试环境地址", "info")
-            HTTPConfig.remote_addr = "https://uni-lab.test.bohrium.com/api/v1"
+            HTTPConfig.remote_addr = "https://leap-lab.test.bohrium.com/api/v1"
         elif args.addr == "uat":
             print_status("使用uat环境地址", "info")
-            HTTPConfig.remote_addr = "https://uni-lab.uat.bohrium.com/api/v1"
+            HTTPConfig.remote_addr = "https://leap-lab.uat.bohrium.com/api/v1"
         elif args.addr == "local":
             print_status("使用本地环境地址", "info")
             HTTPConfig.remote_addr = "http://127.0.0.1:48197/api/v1"
@@ -553,7 +553,7 @@ def main():
         os._exit(0)
 
     if not BasicConfig.ak or not BasicConfig.sk:
-        print_status("后续运行必须拥有一个实验室，请前往 https://uni-lab.bohrium.com 注册实验室！", "warning")
+        print_status("后续运行必须拥有一个实验室，请前往 https://leap-lab.bohrium.com 注册实验室！", "warning")
         os._exit(1)
     graph: nx.Graph
     resource_tree_set: ResourceTreeSet

unilabos/app/web/client.py

@@ -36,6 +36,9 @@ class HTTPClient:
             auth_secret = BasicConfig.auth_secret()
             self.auth = auth_secret
             info(f"正在使用ak sk作为授权信息：[{auth_secret}]")
+        # 复用 TCP/TLS 连接，避免每次请求重新握手
+        self._session = requests.Session()
+        self._session.headers.update({"Authorization": f"Lab {self.auth}"})
         info(f"HTTPClient 初始化完成: remote_addr={self.remote_addr}")
 
     def resource_edge_add(self, resources: List[Dict[str, Any]]) -> requests.Response:
@@ -48,7 +51,7 @@ class HTTPClient:
         Returns:
             Response: API响应对象
         """
-        response = requests.post(
+        response = self._session.post(
             f"{self.remote_addr}/edge/material/edge",
             json={
                 "edges": resources,
@@ -75,26 +78,28 @@ class HTTPClient:
         Returns:
             Dict[str, str]: 旧UUID到新UUID的映射关系 {old_uuid: new_uuid}
         """
-        with open(os.path.join(BasicConfig.working_dir, "req_resource_tree_add.json"), "w", encoding="utf-8") as f:
+        # dump() 只调用一次，复用给文件保存和 HTTP 请求
-            payload = {"nodes": [x for xs in resources.dump() for x in xs], "mount_uuid": mount_uuid}
-            f.write(json.dumps(payload, indent=4))
-        # 从序列化数据中提取所有节点的UUID（保存旧UUID）
-        old_uuids = {n.res_content.uuid: n for n in resources.all_nodes}
         nodes_info = [x for xs in resources.dump() for x in xs]
+        old_uuids = {n.res_content.uuid: n for n in resources.all_nodes}
+        payload = {"nodes": nodes_info, "mount_uuid": mount_uuid}
+        body_bytes = _fast_dumps(payload)
+        with open(os.path.join(BasicConfig.working_dir, "req_resource_tree_add.json"), "wb") as f:
+            f.write(_fast_dumps_pretty(payload))
+        http_headers = {"Content-Type": "application/json"}
         if not self.initialized or first_add:
             self.initialized = True
             info(f"首次添加资源，当前远程地址: {self.remote_addr}")
-            response = requests.post(
+            response = self._session.post(
                 f"{self.remote_addr}/edge/material",
-                json={"nodes": nodes_info, "mount_uuid": mount_uuid},
+                data=body_bytes,
-                headers={"Authorization": f"Lab {self.auth}"},
+                headers=http_headers,
                 timeout=60,
             )
         else:
-            response = requests.put(
+            response = self._session.put(
                 f"{self.remote_addr}/edge/material",
-                json={"nodes": nodes_info, "mount_uuid": mount_uuid},
+                data=body_bytes,
-                headers={"Authorization": f"Lab {self.auth}"},
+                headers=http_headers,
                 timeout=10,
             )
 
@@ -133,7 +138,7 @@ class HTTPClient:
         """
         with open(os.path.join(BasicConfig.working_dir, "req_resource_tree_get.json"), "w", encoding="utf-8") as f:
             f.write(json.dumps({"uuids": uuid_list, "with_children": with_children}, indent=4))
-        response = requests.post(
+        response = self._session.post(
             f"{self.remote_addr}/edge/material/query",
             json={"uuids": uuid_list, "with_children": with_children},
             headers={"Authorization": f"Lab {self.auth}"},
@@ -164,14 +169,14 @@ class HTTPClient:
         if not self.initialized:
             self.initialized = True
             info(f"首次添加资源，当前远程地址: {self.remote_addr}")
-            response = requests.post(
+            response = self._session.post(
                 f"{self.remote_addr}/lab/material",
                 json={"nodes": resources},
                 headers={"Authorization": f"Lab {self.auth}"},
                 timeout=100,
             )
         else:
-            response = requests.put(
+            response = self._session.put(
                 f"{self.remote_addr}/lab/material",
                 json={"nodes": resources},
                 headers={"Authorization": f"Lab {self.auth}"},
@@ -198,7 +203,7 @@ class HTTPClient:
         """
         with open(os.path.join(BasicConfig.working_dir, "req_resource_get.json"), "w", encoding="utf-8") as f:
             f.write(json.dumps({"id": id, "with_children": with_children}, indent=4))
-        response = requests.get(
+        response = self._session.get(
             f"{self.remote_addr}/lab/material",
             params={"id": id, "with_children": with_children},
             headers={"Authorization": f"Lab {self.auth}"},
@@ -239,14 +244,14 @@ class HTTPClient:
         if not self.initialized:
             self.initialized = True
             info(f"首次添加资源，当前远程地址: {self.remote_addr}")
-            response = requests.post(
+            response = self._session.post(
                 f"{self.remote_addr}/lab/material",
                 json={"nodes": resources},
                 headers={"Authorization": f"Lab {self.auth}"},
                 timeout=100,
             )
         else:
-            response = requests.put(
+            response = self._session.put(
                 f"{self.remote_addr}/lab/material",
                 json={"nodes": resources},
                 headers={"Authorization": f"Lab {self.auth}"},
@@ -276,7 +281,7 @@ class HTTPClient:
         with open(file_path, "rb") as file:
             files = {"files": file}
             logger.info(f"上传文件: {file_path} 到 {scene}")
-            response = requests.post(
+            response = self._session.post(
                 f"{self.remote_addr}/api/account/file_upload/{scene}",
                 files=files,
                 headers={"Authorization": f"Lab {self.auth}"},
@@ -316,7 +321,7 @@ class HTTPClient:
             "Content-Type": "application/json",
             "Content-Encoding": "gzip",
         }
-        response = requests.post(
+        response = self._session.post(
             f"{self.remote_addr}/lab/resource",
             data=compressed_body,
             headers=headers,
@@ -350,7 +355,7 @@ class HTTPClient:
         Returns:
             Response: API响应对象
         """
-        response = requests.get(
+        response = self._session.get(
             f"{self.remote_addr}/edge/material/download",
             headers={"Authorization": f"Lab {self.auth}"},
             timeout=(3, 30),
@@ -411,7 +416,7 @@ class HTTPClient:
         with open(os.path.join(BasicConfig.working_dir, "req_workflow_upload.json"), "w", encoding="utf-8") as f:
             f.write(json.dumps(payload, indent=4, ensure_ascii=False))
 
-        response = requests.post(
+        response = self._session.post(
             f"{self.remote_addr}/lab/workflow/owner/import",
             json=payload,
             headers={"Authorization": f"Lab {self.auth}"},

unilabos/app/ws_client.py

@@ -1269,7 +1269,13 @@ class QueueProcessor:
         if not queued_jobs:
             return
 
-        logger.debug(f"[QueueProcessor] Sending busy status for {len(queued_jobs)} queued jobs")
+        queue_summary = {}
+        for j in queued_jobs:
+            key = f"{j.device_id}/{j.action_name}"
+            queue_summary[key] = queue_summary.get(key, 0) + 1
+        logger.debug(
+            f"[QueueProcessor] Sending busy status for {len(queued_jobs)} queued jobs: {queue_summary}"
+        )
 
         for job_info in queued_jobs:
             # 快照可能已过期：在遍历过程中 end_job() 可能已将此 job 移至 READY，

unilabos/config/config.py

@@ -46,7 +46,7 @@ class WSConfig:
 
 # HTTP配置
 class HTTPConfig:
-    remote_addr = "https://uni-lab.bohrium.com/api/v1"
+    remote_addr = "https://leap-lab.bohrium.com/api/v1"
 
 
 # ROS配置

unilabos/registry/ast_registry_scanner.py

@@ -825,6 +825,7 @@ def _extract_class_body(
             action_args.setdefault("placeholder_keys", {})
             action_args.setdefault("always_free", False)
             action_args.setdefault("is_protocol", False)
+            action_args.setdefault("feedback_interval", 1.0)
             action_args.setdefault("description", "")
             action_args.setdefault("auto_prefix", False)
             action_args.setdefault("parent", False)

unilabos/registry/decorators.py

@@ -343,6 +343,7 @@ def action(
     auto_prefix: bool = False,
     parent: bool = False,
     node_type: Optional["NodeType"] = None,
+    feedback_interval: Optional[float] = None,
 ):
     """
     动作方法装饰器
@@ -399,6 +400,8 @@ def action(
             "auto_prefix": auto_prefix,
             "parent": parent,
         }
+        if feedback_interval is not None:
+            meta["feedback_interval"] = feedback_interval
         if node_type is not None:
             meta["node_type"] = node_type.value if isinstance(node_type, NodeType) else str(node_type)
         wrapper._action_registry_meta = meta  # type: ignore[attr-defined]

unilabos/registry/registry.py

@@ -238,6 +238,7 @@ class Registry:
                             "class_name": "unilabos_class",
                         },
                         "always_free": True,
+                        "feedback_interval": 300.0,
                     },
                     "test_latency": test_latency_action,
                     "auto-test_resource": test_resource_action,
@@ -852,6 +853,8 @@ class Registry:
             }
             if (action_args or {}).get("always_free") or method_info.get("always_free"):
                 entry["always_free"] = True
+            _fb_iv = (action_args or {}).get("feedback_interval", method_info.get("feedback_interval", 1.0))
+            entry["feedback_interval"] = _fb_iv
             nt = normalize_enum_value((action_args or {}).get("node_type"), NodeType)
             if nt:
                 entry["node_type"] = nt
@@ -979,6 +982,8 @@ class Registry:
             }
             if action_args.get("always_free") or method_info.get("always_free"):
                 action_entry["always_free"] = True
+            _fb_iv = action_args.get("feedback_interval", method_info.get("feedback_interval", 1.0))
+            action_entry["feedback_interval"] = _fb_iv
             nt = normalize_enum_value(action_args.get("node_type"), NodeType)
             if nt:
                 action_entry["node_type"] = nt

unilabos/ros/nodes/base_device_node.py

@@ -4,6 +4,8 @@ import json
 import threading
 import time
 import traceback
+
+from unilabos.utils.tools import fast_dumps_str as _fast_dumps_str, fast_loads as _fast_loads
 from typing import (
     get_type_hints,
     TypeVar,
@@ -78,6 +80,67 @@ if TYPE_CHECKING:
 T = TypeVar("T")
 
 
+class RclpyAsyncMutex:
+    """rclpy executor 兼容的异步互斥锁
+
+    通过 executor.create_task 唤醒等待者，避免 timer 的 InvalidHandle 问题。
+    """
+
+    def __init__(self, name: str = ""):
+        self._lock = threading.Lock()
+        self._acquired = False
+        self._queue: List[Future] = []
+        self._name = name
+        self._holder: Optional[str] = None
+
+    async def acquire(self, node: "BaseROS2DeviceNode", tag: str = ""):
+        """获取锁。如果已被占用，则异步等待直到锁释放。"""
+        # t0 = time.time()
+        with self._lock:
+            # qlen = len(self._queue)
+            if not self._acquired:
+                self._acquired = True
+                self._holder = tag
+                # node.lab_logger().debug(
+                #     f"[Mutex:{self._name}] 获取锁 tag={tag} (无等待, queue=0)"
+                # )
+                return
+            waiter = Future()
+            self._queue.append(waiter)
+            # node.lab_logger().info(
+            #     f"[Mutex:{self._name}] 等待锁 tag={tag} "
+            #     f"(holder={self._holder}, queue={qlen + 1})"
+            # )
+        await waiter
+        # wait_ms = (time.time() - t0) * 1000
+        self._holder = tag
+        # node.lab_logger().info(
+        #     f"[Mutex:{self._name}] 获取锁 tag={tag} (等了 {wait_ms:.0f}ms)"
+        # )
+
+    def release(self, node: "BaseROS2DeviceNode"):
+        """释放锁，通过 executor task 唤醒下一个等待者。"""
+        with self._lock:
+            # old_holder = self._holder
+            if self._queue:
+                next_waiter = self._queue.pop(0)
+                # node.lab_logger().debug(
+                #     f"[Mutex:{self._name}] 释放锁 holder={old_holder} → 唤醒下一个 (剩余 queue={len(self._queue)})"
+                # )
+
+                async def _wake():
+                    if not next_waiter.done():
+                        next_waiter.set_result(None)
+
+                rclpy.get_global_executor().create_task(_wake())
+            else:
+                self._acquired = False
+                self._holder = None
+                # node.lab_logger().debug(
+                #     f"[Mutex:{self._name}] 释放锁 holder={old_holder} → 空闲"
+                # )
+
+
 # 在线设备注册表
 registered_devices: Dict[str, "DeviceInfoType"] = {}
 
@@ -355,6 +418,8 @@ class BaseROS2DeviceNode(Node, Generic[T]):
             max_workers=max(len(action_value_mappings), 1), thread_name_prefix=f"ROSDevice{self.device_id}"
         )
 
+        self._append_resource_lock = RclpyAsyncMutex(name=f"AR:{device_id}")
+
         # 创建资源管理客户端
         self._resource_clients: Dict[str, Client] = {
             "resource_add": self.create_client(ResourceAdd, "/resources/add", callback_group=self.callback_group),
@@ -378,15 +443,40 @@ class BaseROS2DeviceNode(Node, Generic[T]):
             return res
 
         async def append_resource(req: SerialCommand_Request, res: SerialCommand_Response):
+            _cmd = _fast_loads(req.command)
+            _res_name = _cmd.get("resource", [{}])
+            _res_name = (_res_name[0].get("id", "?") if isinstance(_res_name, list) and _res_name
+                         else _res_name.get("id", "?") if isinstance(_res_name, dict) else "?")
+            _ar_tag = f"{_res_name}"
+            # _t_enter = time.time()
+            # self.lab_logger().info(f"[AR:{_ar_tag}] 进入 append_resource")
+            await self._append_resource_lock.acquire(self, tag=_ar_tag)
+            # _t_locked = time.time()
+            try:
+                return await _append_resource_inner(req, res, _ar_tag)
+                # _t_done = time.time()
+                # self.lab_logger().info(
+                #     f"[AR:{_ar_tag}] 完成 "
+                #     f"等锁={(_t_locked - _t_enter) * 1000:.0f}ms "
+                #     f"执行={(_t_done - _t_locked) * 1000:.0f}ms "
+                #     f"总计={(_t_done - _t_enter) * 1000:.0f}ms"
+                # )
+            except Exception as _ex:
+                self.lab_logger().error(f"[AR:{_ar_tag}] 异常: {_ex}")
+                raise
+            finally:
+                self._append_resource_lock.release(self)
+
+        async def _append_resource_inner(req: SerialCommand_Request, res: SerialCommand_Response, _ar_tag: str = ""):
             from pylabrobot.resources.deck import Deck
             from pylabrobot.resources import Coordinate
             from pylabrobot.resources import Plate
 
-            # 物料传输到对应的node节点
+            # _t0 = time.time()
             client = self._resource_clients["c2s_update_resource_tree"]
             request = SerialCommand.Request()
             request2 = SerialCommand.Request()
-            command_json = json.loads(req.command)
+            command_json = _fast_loads(req.command)
             namespace = command_json["namespace"]
             bind_parent_id = command_json["bind_parent_id"]
             edge_device_id = command_json["edge_device_id"]
@@ -439,7 +529,11 @@ class BaseROS2DeviceNode(Node, Generic[T]):
                             f"更新物料{container_instance.name}出现不支持的数据类型{type(found_resource)} {found_resource}"
                         )
             # noinspection PyUnresolvedReferences
-            request.command = json.dumps(
+            # _t1 = time.time()
+            # self.lab_logger().debug(
+            #     f"[AR:{_ar_tag}] 准备完成 PLR转换+序列化 {((_t1 - _t0) * 1000):.0f}ms, 发送首次上传..."
+            # )
+            request.command = _fast_dumps_str(
                 {
                     "action": "add",
                     "data": {
@@ -450,7 +544,11 @@ class BaseROS2DeviceNode(Node, Generic[T]):
                 }
             )
             tree_response: SerialCommand.Response = await client.call_async(request)
-            uuid_maps = json.loads(tree_response.response)
+            # _t2 = time.time()
+            # self.lab_logger().debug(
+            #     f"[AR:{_ar_tag}] 首次上传完成 {((_t2 - _t1) * 1000):.0f}ms"
+            # )
+            uuid_maps = _fast_loads(tree_response.response)
             plr_instances = rts.to_plr_resources()
             for plr_instance in plr_instances:
                 self.resource_tracker.loop_update_uuid(plr_instance, uuid_maps)
@@ -527,12 +625,13 @@ class BaseROS2DeviceNode(Node, Generic[T]):
                             Coordinate(location["x"], location["y"], location["z"]),
                             **other_calling_param,
                         )
-                    # 调整了液体以及Deck之后要重新Assign
                     # noinspection PyUnresolvedReferences
+                    # _t3 = time.time()
                     rts_with_parent = ResourceTreeSet.from_plr_resources([parent_resource])
+                    # _n_parent = len(rts_with_parent.all_nodes)
                     if rts_with_parent.root_nodes[0].res_content.uuid_parent is None:
                         rts_with_parent.root_nodes[0].res_content.parent_uuid = self.uuid
-                    request.command = json.dumps(
+                    request.command = _fast_dumps_str(
                         {
                             "action": "add",
                             "data": {
@@ -542,11 +641,18 @@ class BaseROS2DeviceNode(Node, Generic[T]):
                             },
                         }
                     )
+                    # _t4 = time.time()
+                    # self.lab_logger().debug(
+                    #     f"[AR:{_ar_tag}] 二次上传序列化 {_n_parent}节点 {((_t4 - _t3) * 1000):.0f}ms, 发送中..."
+                    # )
                     tree_response: SerialCommand.Response = await client.call_async(request)
-                    uuid_maps = json.loads(tree_response.response)
+                    # _t5 = time.time()
+                    uuid_maps = _fast_loads(tree_response.response)
                     self.resource_tracker.loop_update_uuid(input_resources, uuid_maps)
-                    self._lab_logger.info(f"Resource tree added. UUID mapping: {len(uuid_maps)} nodes")
+                    # self._lab_logger.info(
-                    # 这里created_resources不包含parent_resource
+                    #     f"[AR:{_ar_tag}] 二次上传完成 HTTP={(_t5 - _t4) * 1000:.0f}ms "
+                    #     f"UUID映射={len(uuid_maps)}节点 总执行={(_t5 - _t0) * 1000:.0f}ms"
+                    # )
                 # 发送给ResourceMeshManager
                 action_client = ActionClient(
                     self,
@@ -1567,37 +1673,69 @@ class BaseROS2DeviceNode(Node, Generic[T]):
             feedback_msg_types = action_type.Feedback.get_fields_and_field_types()
             result_msg_types = action_type.Result.get_fields_and_field_types()
 
-            while future is not None and not future.done():
+            # 低频 feedback timer（10s），不阻塞完成检测
-                if goal_handle.is_cancel_requested:
+            _feedback_timer = None
-                    self.lab_logger().info(f"取消动作: {action_name}")
-                    future.cancel()  # 尝试取消线程池中的任务
-                    goal_handle.canceled()
-                    return action_type.Result()
 
-                self._time_spent = time.time() - time_start
+            def _publish_feedback():
-                self._time_remaining = time_overall - self._time_spent
+                if future is not None and not future.done():
+                    self._time_spent = time.time() - time_start
+                    self._time_remaining = time_overall - self._time_spent
+                    feedback_values = {}
+                    for msg_name, attr_name in action_value_mapping["feedback"].items():
+                        if hasattr(self.driver_instance, f"get_{attr_name}"):
+                            method = getattr(self.driver_instance, f"get_{attr_name}")
+                            if not asyncio.iscoroutinefunction(method):
+                                feedback_values[msg_name] = method()
+                        elif hasattr(self.driver_instance, attr_name):
+                            feedback_values[msg_name] = getattr(self.driver_instance, attr_name)
+                    if self._print_publish:
+                        self.lab_logger().info(f"反馈: {feedback_values}")
+                    feedback_msg = convert_to_ros_msg_with_mapping(
+                        ros_msg_type=action_type.Feedback(),
+                        obj=feedback_values,
+                        value_mapping=action_value_mapping["feedback"],
+                    )
+                    goal_handle.publish_feedback(feedback_msg)
 
-                # 发布反馈
+            if action_value_mapping.get("feedback"):
-                feedback_values = {}
+                _fb_interval = action_value_mapping.get("feedback_interval", 0.5)
-                for msg_name, attr_name in action_value_mapping["feedback"].items():
+                _feedback_timer = self.create_timer(
-                    if hasattr(self.driver_instance, f"get_{attr_name}"):
+                    _fb_interval, _publish_feedback, callback_group=self.callback_group
-                        method = getattr(self.driver_instance, f"get_{attr_name}")
-                        if not asyncio.iscoroutinefunction(method):
-                            feedback_values[msg_name] = method()
-                    elif hasattr(self.driver_instance, attr_name):
-                        feedback_values[msg_name] = getattr(self.driver_instance, attr_name)
-
-                if self._print_publish:
-                    self.lab_logger().info(f"反馈: {feedback_values}")
-
-                feedback_msg = convert_to_ros_msg_with_mapping(
-                    ros_msg_type=action_type.Feedback(),
-                    obj=feedback_values,
-                    value_mapping=action_value_mapping["feedback"],
                 )
 
-                goal_handle.publish_feedback(feedback_msg)
+            # 等待 action 完成
-                time.sleep(0.5)
+            if future is not None:
+                if isinstance(future, Task):
+                    # rclpy Task：直接 await，完成瞬间唤醒
+                    _raw_result = await future
+                else:
+                    # concurrent.futures.Future（同步 action）：用 rclpy 兼容的轮询
+                    _poll_future = Future()
+
+                    def _on_sync_done(fut):
+                        if not _poll_future.done():
+                            _poll_future.set_result(None)
+
+                    future.add_done_callback(_on_sync_done)
+                    await _poll_future
+                    _raw_result = future.result()
+
+                # 确保 execution_error/success 被正确设置（不依赖 done callback 时序）
+                if isinstance(_raw_result, BaseException):
+                    if not execution_error:
+                        execution_error = traceback.format_exception(
+                            type(_raw_result), _raw_result, _raw_result.__traceback__
+                        )
+                        execution_error = "".join(execution_error)
+                    execution_success = False
+                    action_return_value = _raw_result
+                elif not execution_error:
+                    execution_success = True
+                    action_return_value = _raw_result
+
+            # 清理 feedback timer
+            if _feedback_timer is not None:
+                _feedback_timer.cancel()
 
             if future is not None and future.cancelled():
                 self.lab_logger().info(f"动作 {action_name} 已取消")

unilabos/ros/nodes/presets/host_node.py

@@ -4,6 +4,8 @@ import threading
 import time
 import traceback
 import uuid
+
+from unilabos.utils.tools import fast_dumps_str as _fast_dumps_str, fast_loads as _fast_loads
 from dataclasses import dataclass, field
 from typing import TYPE_CHECKING, Optional, Dict, Any, List, ClassVar, Set, Union
 
@@ -618,22 +620,17 @@ class HostNode(BaseROS2DeviceNode):
                 }
             )
         ]
-
         response: List[str] = await self.create_resource_detailed(
             resources, device_ids, bind_parent_id, bind_location, other_calling_param
         )
 
-        try:
+        assert len(response) == 1, "Create Resource应当只返回一个结果"
-            assert len(response) == 1, "Create Resource应当只返回一个结果"
+        for i in response:
-            for i in response:
+            res = json.loads(i)
-                res = json.loads(i)
+            if "suc" in res and not res["suc"]:
-                if "suc" in res:
+                raise ValueError(res.get("error", "未知错误"))
-                    raise ValueError(res.get("error"))
+            return res
-                return res
+        raise ValueError(f"创建资源时失败！响应为空")
-        except Exception as ex:
-            pass
-        _n = "\n"
-        raise ValueError(f"创建资源时失败！\n{_n.join(response)}")
 
     def initialize_device(self, device_id: str, device_config: ResourceDictInstance) -> None:
         """
@@ -1168,7 +1165,7 @@ class HostNode(BaseROS2DeviceNode):
                 else:
                     physical_setup_graph.nodes[resource_dict["id"]]["data"].update(resource_dict.get("data", {}))
 
-        response.response = json.dumps(uuid_mapping) if success else "FAILED"
+        response.response = _fast_dumps_str(uuid_mapping) if success else "FAILED"
         self.lab_logger().info(f"[Host Node-Resource] Resource tree add completed, success: {success}")
 
     async def _resource_tree_action_get_callback(self, data: dict, response: SerialCommand_Response):  # OK
@@ -1230,9 +1227,26 @@ class HostNode(BaseROS2DeviceNode):
         """
         try:
             # 解析请求数据
-            data = json.loads(request.command)
+            data = _fast_loads(request.command)
             action = data["action"]
-            self.lab_logger().info(f"[Host Node-Resource] Resource tree {action} request received")
+            inner = data.get("data", {})
+            if action == "add":
+                mount_uuid = inner.get("mount_uuid", "?")[:8] if isinstance(inner, dict) else "?"
+                tree_data = inner.get("data", []) if isinstance(inner, dict) else inner
+                node_count = len(tree_data) if isinstance(tree_data, list) else "?"
+                source = f"mount={mount_uuid}.. nodes≈{node_count}"
+            elif action in ("get", "remove"):
+                uid_list = inner.get("data", inner) if isinstance(inner, dict) else inner
+                source = f"uuids={len(uid_list) if isinstance(uid_list, list) else '?'}"
+            elif action == "update":
+                tree_data = inner.get("data", []) if isinstance(inner, dict) else inner
+                node_count = len(tree_data) if isinstance(tree_data, list) else "?"
+                source = f"nodes≈{node_count}"
+            else:
+                source = ""
+            self.lab_logger().info(
+                f"[Host Node-Resource] Resource tree {action} request received ({source})"
+            )
             data = data["data"]
             if action == "add":
                 await self._resource_tree_action_add_callback(data, response)

unilabos/utils/tools.py

@@ -17,6 +17,14 @@ try:
             default=json_default,
         )
 
+    def fast_loads(data) -> dict:
+        """JSON 反序列化，优先使用 orjson。接受 str / bytes。"""
+        return orjson.loads(data)
+
+    def fast_dumps_str(obj, **kwargs) -> str:
+        """JSON 序列化为 str，优先使用 orjson。用于需要 str 而非 bytes 的场景（如 ROS msg）。"""
+        return orjson.dumps(obj, option=orjson.OPT_NON_STR_KEYS, default=json_default).decode("utf-8")
+
     def normalize_json(info: dict) -> dict:
         """经 JSON 序列化/反序列化一轮来清理非标准类型。"""
         return orjson.loads(orjson.dumps(info, default=json_default))
@@ -29,6 +37,14 @@ except ImportError:
     def fast_dumps_pretty(obj, **kwargs) -> bytes:  # type: ignore[misc]
         return json.dumps(obj, indent=2, ensure_ascii=False, cls=TypeEncoder).encode("utf-8")
 
+    def fast_loads(data) -> dict:  # type: ignore[misc]
+        if isinstance(data, bytes):
+            data = data.decode("utf-8")
+        return json.loads(data)
+
+    def fast_dumps_str(obj, **kwargs) -> str:  # type: ignore[misc]
+        return json.dumps(obj, ensure_ascii=False, cls=TypeEncoder)
+
     def normalize_json(info: dict) -> dict:  # type: ignore[misc]
         return json.loads(json.dumps(info, ensure_ascii=False, cls=TypeEncoder))