diff --git a/setup.py b/setup.py
index 3f71dff..080f1e1 100644
--- a/setup.py
+++ b/setup.py
@@ -17,6 +17,7 @@ setup(
     entry_points={
         'console_scripts': [
             "unilab = unilabos.app.main:main",
+            "unilab-register = unilabos.app.register:main"
         ],
     },
 )
diff --git a/unilabos/app/main.py b/unilabos/app/main.py
index 918ef59..471df4b 100644
--- a/unilabos/app/main.py
+++ b/unilabos/app/main.py
@@ -22,6 +22,21 @@ from unilabos.config.config import load_config, BasicConfig, _update_config_from
 from unilabos.utils.banner_print import print_status, print_unilab_banner
 
 
+def load_config_from_file(config_path):
+    if config_path is None:
+        config_path = os.environ.get("UNILABOS.BASICCONFIG.CONFIG_PATH", None)
+    if config_path:
+        if not os.path.exists(config_path):
+            print_status(f"配置文件 {config_path} 不存在", "error")
+        elif not config_path.endswith(".py"):
+            print_status(f"配置文件 {config_path} 不是Python文件，必须以.py结尾", "error")
+        else:
+            load_config(config_path)
+    else:
+        print_status(f"启动 UniLab-OS时，配置文件参数未正确传入 --config '{config_path}' 尝试本地配置...", "warning")
+        load_config(config_path)
+
+
 def parse_args():
     """解析命令行参数"""
     parser = argparse.ArgumentParser(description="Start Uni-Lab Edge server.")
@@ -97,18 +112,7 @@ def main():
 
     # 加载配置文件，优先加载config，然后从env读取
     config_path = args_dict.get("config")
-    if config_path is None:
-        config_path = os.environ.get("UNILABOS.BASICCONFIG.CONFIG_PATH", None)
-    if config_path:
-        if not os.path.exists(config_path):
-            print_status(f"配置文件 {config_path} 不存在", "error")
-        elif not config_path.endswith(".py"):
-            print_status(f"配置文件 {config_path} 不是Python文件，必须以.py结尾", "error")
-        else:
-            load_config(config_path)
-    else:
-        print_status(f"启动 UniLab-OS时，配置文件参数未正确传入 --config '{config_path}' 尝试本地配置...", "warning")
-        load_config(config_path)
+    load_config_from_file(config_path)
 
     # 设置BasicConfig参数
     BasicConfig.is_host_mode = not args_dict.get("without_host", False)
diff --git a/unilabos/registry/devices/virtual_device.yaml b/unilabos/registry/devices/virtual_device.yaml
index af00af1..ea244ec 100644
--- a/unilabos/registry/devices/virtual_device.yaml
+++ b/unilabos/registry/devices/virtual_device.yaml
@@ -211,6 +211,7 @@ virtual_multiway_valve:
   - handler_key: transferpump
     label: transferpump
     data_type: fluid
+    side: NORTH
     io_type: target
     data_source: handle
     data_key: fluid_in
diff --git a/unilabos/ros/nodes/presets/host_node.py b/unilabos/ros/nodes/presets/host_node.py
index ceba584..e8bd909 100644
--- a/unilabos/ros/nodes/presets/host_node.py
+++ b/unilabos/ros/nodes/presets/host_node.py
@@ -147,12 +147,12 @@ class HostNode(BaseROS2DeviceNode):
         self.device_status = {}  # 用来存储设备状态
         self.device_status_timestamps = {}  # 用来存储设备状态最后更新时间
 
-        from unilabos.app.mq import mqtt_client
-
-        for device_info in lab_registry.obtain_registry_device_info():
-            mqtt_client.publish_registry(device_info["id"], device_info)
-        for resource_info in lab_registry.obtain_registry_resource_info():
-            mqtt_client.publish_registry(resource_info["id"], resource_info)
+        # from unilabos.app.mq import mqtt_client
+        #
+        # for device_info in lab_registry.obtain_registry_device_info():
+        #     mqtt_client.publish_registry(device_info["id"], device_info)
+        # for resource_info in lab_registry.obtain_registry_resource_info():
+        #     mqtt_client.publish_registry(resource_info["id"], resource_info)
         time.sleep(1) # 等待MQTT连接稳定
         # 首次发现网络中的设备
         self._discover_devices()