diff --git a/unilabos/registry/device_comms/modbus_ioboard.yaml b/unilabos/registry/device_comms/modbus_ioboard.yaml
index 1473241..b1d04ee 100644
--- a/unilabos/registry/device_comms/modbus_ioboard.yaml
+++ b/unilabos/registry/device_comms/modbus_ioboard.yaml
@@ -5,6 +5,6 @@ io_snrd:
     type: python
     hardware_interface:
       name: modbus_client
-      extra_info: address
+      extra_info: []
       read: read_io_coil
       write: write_io_coil
\ No newline at end of file
diff --git a/unilabos/ros/nodes/presets/protocol_node.py b/unilabos/ros/nodes/presets/protocol_node.py
index c4dfd08..822146c 100644
--- a/unilabos/ros/nodes/presets/protocol_node.py
+++ b/unilabos/ros/nodes/presets/protocol_node.py
@@ -241,15 +241,15 @@ class ROS2ProtocolNode(BaseROS2DeviceNode):
 
     def _setup_hardware_proxy(self, device: ROS2DeviceNode, communication_device: ROS2DeviceNode, read_method, write_method):
         """为设备设置硬件接口代理"""
-        extra_info = [getattr(device.driver_instance, info) for info in communication_device.ros_node_instance._hardware_interface.get("extra_info", [])]
-        write_func = getattr(communication_device.ros_node_instance, communication_device.ros_node_instance._hardware_interface["write"])
-        read_func = getattr(communication_device.ros_node_instance, communication_device.ros_node_instance._hardware_interface["read"])
+        # extra_info = [getattr(device.driver_instance, info) for info in communication_device.ros_node_instance._hardware_interface.get("extra_info", [])]
+        write_func = getattr(communication_device.driver_instance, communication_device.ros_node_instance._hardware_interface["write"])
+        read_func = getattr(communication_device.driver_instance, communication_device.ros_node_instance._hardware_interface["read"])
 
-        def _read():
-            return read_func(*extra_info)
+        def _read(*args, **kwargs):
+            return read_func(*args, **kwargs)
 
-        def _write(command):
-            return write_func(*extra_info, command)
+        def _write(*args, **kwargs):
+            return write_func(*args, **kwargs)
 
         if read_method:
             setattr(device.driver_instance, read_method, _read)