diff --git a/app/api/v1/endpoints/devices.py b/app/api/v1/endpoints/devices.py
index 41db545..29a291c 100644
--- a/app/api/v1/endpoints/devices.py
+++ b/app/api/v1/endpoints/devices.py
@@ -24,7 +24,10 @@ async def get_devices():
         return DeviceListResponse(
             success=True,
             message=f"成功获取 {len(devices)} 个设备",
-            data=devices
+            data={
+                "devices": [device.dict() for device in devices],
+                "total": len(devices)
+            }
         )
     except Exception as e:
         logger.error(f"获取设备列表失败: {e}")
diff --git a/app/services/device_service.py b/app/services/device_service.py
index 98dbe51..b36868c 100644
--- a/app/services/device_service.py
+++ b/app/services/device_service.py
@@ -29,7 +29,7 @@ class DeviceService:
         """获取所有设备"""
         try:
             devices = await self.device_manager.get_all_devices()
-            return [Device.from_device_info(device) for device in devices]
+            return devices  # 直接返回Device对象列表，不需要转换
         except Exception as e:
             logger.error(f"获取所有设备失败: {e}")
             raise
@@ -39,7 +39,7 @@ class DeviceService:
         try:
             device_info = await self.device_manager.get_device(device_id)
             if device_info:
-                return Device.from_device_info(device_info)
+                return device_info  # 直接返回Device对象，不需要转换
             return None
         except Exception as e:
             logger.error(f"获取设备 {device_id} 失败: {e}")
@@ -55,10 +55,7 @@ class DeviceService:
             return DeviceStatusResponse(
                 device_id=device_id,
                 status=device.status,
-                protocol_type=device.protocol_type,
-                source=device.source,
-                last_seen=device.last_seen,
-                properties=device.properties
+                timestamp=device.updated_at
             )
         except Exception as e:
             logger.error(f"获取设备 {device_id} 状态失败: {e}")
@@ -71,7 +68,10 @@ class DeviceService:
             if not device:
                 raise ValueError(f"设备 {device_id} 不存在")
             
-            if device.source == DeviceSource.REGISTERED:
+            # 获取设备来源
+            device_source = await self.device_manager.get_device_source(device_id)
+            
+            if device_source == DeviceSource.REGISTERED:
                 # 注册设备：通过设备分发器执行
                 return await self.device_dispatcher.execute_operation(
                     device_id=device_id,
diff --git a/新建文本文档.txt b/新建文本文档.txt
new file mode 100644
index 0000000..e69de29