diff --git a/SynPlc/Worker.cs b/SynPlc/Worker.cs
index dcee1e6..3cb041a 100644
--- a/SynPlc/Worker.cs
+++ b/SynPlc/Worker.cs
@@ -46,13 +46,15 @@ public class Worker : BackgroundService
         // var operateResult = await S7.ConnectServerAsync();
         // if (!operateResult.IsSuccess) XTrace.WriteLine("连接失败");
 
+        DateTime timeNow = DateTime.Now;
+
         var list = await dbClient.Queryable<EEquipmentStateEntity>().ToListAsync(stoppingToken);
         foreach (var e in list)
         {
             var a = await S7.ReadBoolAsync(e.Point);
             if (a.IsSuccess)
             {
-                e.UpdateTime = DateTime.Now;
+                e.UpdateTime = timeNow;
                 e.PValue = a.Content;
                 await dbClient.Updateable(e).UpdateColumns(x => new { x.UpdateTime, x.PValue })
                     .ExecuteCommandAsync(stoppingToken);
@@ -76,7 +78,7 @@ public class Worker : BackgroundService
                 {
                     ID = Guid.NewGuid().ToString(),
                     PID = e.ID,
-                    CreateTime = DateTime.Now,
+                    CreateTime = timeNow,
                     Data = Math.Round(Convert.ToDecimal(a.Content), 2)
                 };
                 XTrace.WriteLine("Point:{0}, Value:{1}", e.Point, listd.Data);