diff --git a/Device/DeviceManager.cs b/Device/DeviceManager.cs
index 6a82c93..b13307a 100644
--- a/Device/DeviceManager.cs
+++ b/Device/DeviceManager.cs
@@ -54,7 +54,7 @@ namespace LY.App.Device
         private readonly RedisService _redis = ServiceLocator.Instance.GetService<RedisService>();
         private static readonly object _lock = new object();
         private readonly CancellationTokenSource _monitorCancellationTokenSource = new();
-        private readonly LogService _log = ServiceLocator.Instance.GetService<LogService>();
+
         private DeviceManager()
         {
 
@@ -338,6 +338,7 @@ namespace LY.App.Device
         {
             int retryDelay = 1000; // 初始重连间隔（1秒）
             int maxDelay = 30000;  // 最大重连间隔（30秒）
+            var _log = ServiceLocator.Instance.GetService<LogService>();
             await _log?.AddLog(new AddLog { Message = $"设备 {device.Id} 掉线，重新连接中...", Parameters = "", StackTrace = "", url = "" });
             while (!device.IsConnected)
             {
diff --git a/Service/DeviceService.cs b/Service/DeviceService.cs
index 3f6a8a3..dc5a014 100644
--- a/Service/DeviceService.cs
+++ b/Service/DeviceService.cs
@@ -9,18 +9,25 @@ using SqlSugar;
 
 namespace LY.App.Service
 {
+    /// <summary>
+    /// 设备服务
+    /// </summary>
     [ServiceInjection(InjectionType.Transient)]
     public class DeviceService
     {
         private readonly SqlSugarClient _db;
-        private readonly IConfiguration _config;
         private readonly RedisService _redisService;
         private readonly AlarmService _alarmService;
         private readonly DeviceManager deviceManager = DeviceManager.Instance;
-        public DeviceService(SqlSugarClient db, IConfiguration config, RedisService redisService, AlarmService alarmService)
+        /// <summary>
+        /// 构造函数
+        /// </summary>
+        /// <param name="db"></param>
+        /// <param name="redisService"></param>
+        /// <param name="alarmService"></param>
+        public DeviceService(SqlSugarClient db,  RedisService redisService, AlarmService alarmService)
         {
             _db = db;
-            _config = config;
             _redisService = redisService;
             _alarmService = alarmService;
         }
diff --git a/Service/LogService.cs b/Service/LogService.cs
index 43b2281..04a2281 100644
--- a/Service/LogService.cs
+++ b/Service/LogService.cs
@@ -9,7 +9,7 @@ using System.Text;
 
 namespace LY.App.Service
 {
-    [ServiceInjection(InjectionType.Singleton)]
+    [ServiceInjection(InjectionType.Transient)]
     public class LogService
     {
         private readonly SqlSugarClient _db;