diff --git a/SynPlc/Program.cs b/SynPlc/Program.cs
index d37f2fb..7374f27 100644
--- a/SynPlc/Program.cs
+++ b/SynPlc/Program.cs
@@ -1,6 +1,5 @@
 using NewLife.Extensions.Hosting.AgentService;
 using NewLife.Log;
-using SqlSugar;
 using SynPlc;
 
 // 授权示例 Authorization example
diff --git a/SynPlc/Worker.cs b/SynPlc/Worker.cs
index 87b2890..7bd216c 100644
--- a/SynPlc/Worker.cs
+++ b/SynPlc/Worker.cs
@@ -1,5 +1,6 @@
 using HslCommunication.Profinet.Siemens;
 using Microsoft.Extensions.Logging;
+using NewLife.Log;
 using SqlSugar;
 using SynPlc.Entity;
 
@@ -23,45 +24,65 @@ public class Worker : BackgroundService
     {
         while (!stoppingToken.IsCancellationRequested)
         {
-            var list = DB.Queryable<EEquipmentStateEntity>().ToList();
 
+            try
+            {
+                SynPlcFromDb(stoppingToken);
+            }
+            catch (Exception e)
+            {
+                XTrace.WriteException(e);
+            }
+            
+            _logger.LogInformation("Worker running at: {time}", DateTimeOffset.Now);
+
+            await Task.Delay(1000, stoppingToken);
+        }
+    }
+
+    private async Task SynPlcFromDb(CancellationToken stoppingToken)
+    {
+        try
+        {
+            var list = await DB.Queryable<EEquipmentStateEntity>().ToListAsync(stoppingToken);
             foreach(var e in list)
             {
-                var a = S7.ReadBool(e.Point);
+                var a = await S7.ReadBoolAsync(e.Point);
                 if (a.IsSuccess)
                 {
                     e.UpdateTime = DateTime.Now;
                     e.PValue = a.Content;
-                    DB.Updateable(e).UpdateColumns(x => new { x.UpdateTime, x.PValue }).ExecuteCommand();
+                    await DB.Updateable(e).UpdateColumns(x => new { x.UpdateTime, x.PValue }).ExecuteCommandAsync(stoppingToken);
                 }
                 else
                 {
-                    _logger.LogInformation("��ȡʧ�ܣ�");
+                    XTrace.WriteLine("{0} 读取异常",e.Point );
                 }
             }
 
-            var listp = DB.Queryable<EPointsInfoEntity>().ToList();
+            var listp = await DB.Queryable<EPointsInfoEntity>().ToListAsync(stoppingToken);
             EPointDataEntity listd = new EPointDataEntity();
             foreach (var e in listp)
             {
-                var a = S7.ReadDouble(e.Point);
+                var a = await S7.ReadDoubleAsync(e.Point);
                 if (a.IsSuccess)
                 {
                     listd.ID = Guid.NewGuid().ToString();
                     listd.PID = e.ID;
                     listd.CreateTime = DateTime.Now;
                     listd.Data = a.Content.ToDecimal();
-                    DB.Insertable(listd).ExecuteCommand();
+                    await DB.Insertable(listd).ExecuteCommandAsync(stoppingToken);
                 }
                 else
                 {
-                    _logger.LogInformation("��ȡʧ�ܣ�");
+                    XTrace.WriteLine("{0} 读取异常",e.Point );
                 }
             }
-
-            _logger.LogInformation("Worker running at: {time}", DateTimeOffset.Now);
-
-            await Task.Delay(1000, stoppingToken);
+        }
+        catch (Exception e)
+        {
+            Console.WriteLine(e);
+            throw;
         }
     }
 }
\ No newline at end of file