diff --git a/detect.gui/Services/DeviceClientService.cs b/detect.gui/Services/DeviceClientService.cs
index 28b89bc..cab47b6 100644
--- a/detect.gui/Services/DeviceClientService.cs
+++ b/detect.gui/Services/DeviceClientService.cs
@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
+using System.Threading.Tasks;
 using detect.device;
 using detect.device.Utils;
 using detect.gui.Models.Entities;
@@ -72,6 +73,18 @@ public class DeviceClientService
         return ConnectDevice(eventService.ListById(deviceId).Result!);
     }
     
+    /// <summary>
+    /// 刷新连接客户端，设备信息更新后调用
+    /// </summary>
+    /// <param name="device"></param>
+    /// <returns></returns>
+    public IDeviceClient? RefreshDeviceClient(DeviceEntity device)
+    {
+        _deviceClients.TryGetValue(device.Id!.Value, out var deviceClient);
+        deviceClient?.DisConnectAsync();
+        return ConnectDevice(device);
+    }
+    
     /// <summary>
     /// 连接云台设备
     /// </summary>
@@ -106,7 +119,13 @@ public class DeviceClientService
 
     private void DeviceClientOnDeviceEvent(object? sender, DeviceEvent e)
     {
-        Log.Information("DeviceEvent-[{Name}]:{@Result}", e.Name, e.Result);
+        Log.Information("DeviceEvent-[{Name}]-{Address}:{@Result}", e.Name, (sender as DeviceClientSocket)!.Address, e.Result);
+        if (e.Name == detect.device.DeviceEvent.EventDeviceConnected)
+        {
+            var sysInfo = GetDeviceInfo(1).GetAwaiter().GetResult();
+            Log.Information("device info: {@Info}", sysInfo);
+        }
+        
         // var deviceService = Locator.Current.GetService<VapDeviceService>()!;
         // var eventService = Locator.Current.GetService<VapEventService>()!;
         // var constantService = Locator.Current.GetService<VapConstantService>()!;
@@ -150,4 +169,31 @@ public class DeviceClientService
         // }
         // eventService.AddData(eventEntity);
     }
+
+    #region 业务方法
+    /// <summary>
+    /// 查询设备信息
+    /// </summary>
+    /// <param name="deviceId"></param>
+    /// <returns></returns>
+    /// <exception cref="Exception"></exception>
+    public async Task<Dictionary<string, object>?> GetDeviceInfo(long deviceId)
+    {
+        var deviceClient = GetDeviceClient(deviceId);
+        if (deviceClient == null)
+        {
+            throw new Exception("设备未连接！");
+        }
+
+        var req = DeviceClientRequestBuilder.Create().WithType("service").WithComponent("_database")
+            .WithMethod("system_info");
+        var resp = await deviceClient.RequestAction<Dictionary<string, object>>(req);
+        if (resp.IsFailed)
+        {
+            throw new Exception(resp.Message);
+        }
+        return resp.Result;
+    }
+
+    #endregion
 }
\ No newline at end of file