diff --git a/SynPlc/PlcConnect.cs b/SynPlc/PlcConnect.cs
index 30e3ef0..5f28270 100644
--- a/SynPlc/PlcConnect.cs
+++ b/SynPlc/PlcConnect.cs
@@ -1,28 +1 @@
-using HslCommunication.Profinet.Siemens;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace SynPlc
-{
-    public class PlcConnect
-    {
-
-        private static readonly Lazy<SiemensS7Net> lazy = new Lazy<SiemensS7Net>(() => new PlcConnect().SiemensS7NetConnection());
-        public static SiemensS7Net Instance => lazy.Value;
-
-        public SiemensS7Net SiemensS7NetConnection()
-        {
-            SiemensPLCS siemensPLCS = SiemensPLCS.S200Smart;
-            SiemensS7Net s7 = new SiemensS7Net(siemensPLCS);
-
-            s7.IpAddress = "127.0.0.1";
-            s7.Port = 102;
-            var su = s7.ConnectServer();
-
-            return s7;
-        }
-    }
-}
+
\ No newline at end of file
diff --git a/SynPlc/Program.cs b/SynPlc/Program.cs
index 975e84f..c98a1a9 100644
--- a/SynPlc/Program.cs
+++ b/SynPlc/Program.cs
@@ -1,3 +1,4 @@
+using HslCommunication.Profinet.Siemens;
 using NewLife.Extensions.Hosting.AgentService;
 using NewLife.Log;
 using SqlSugar;
@@ -16,6 +17,15 @@ IHost host = Host.CreateDefaultBuilder(args)
     .ConfigureServices((context,services) =>
     {
         string sqlConect = context.Configuration.GetConnectionString("Sql");
+        string Plc = context.Configuration.GetConnectionString("Plc");
+
+        services.AddSingleton(() => new SiemensS7Net(SiemensPLCS.S200Smart)
+        {
+            IpAddress = Plc,
+            Port = 102
+        });
+        
+        
         services.AddScoped<ISqlSugarClient>(s =>
         {
             //Scoped用SqlSugarClient 
diff --git a/SynPlc/Worker.cs b/SynPlc/Worker.cs
index 35ec662..47583d2 100644
--- a/SynPlc/Worker.cs
+++ b/SynPlc/Worker.cs
@@ -1,5 +1,4 @@
 using HslCommunication.Profinet.Siemens;
-using Microsoft.Extensions.Logging;
 using NewLife.Log;
 using SqlSugar;
 using SynPlc.Entity;
@@ -8,19 +7,17 @@ namespace SynPlc;
 
 public class Worker : BackgroundService
 {
-    
-    SiemensS7Net S7 = PlcConnect.Instance;
-    private IServiceScopeFactory scopeFactory;
-    public Worker(IServiceScopeFactory _scopeFactory)
+    private readonly IServiceScopeFactory scopeFactory;
+
+    public Worker(IServiceScopeFactory scopeFactory)
     {
-        this.scopeFactory=_scopeFactory;
+        this.scopeFactory = scopeFactory;
     }
 
     protected override async Task ExecuteAsync(CancellationToken stoppingToken)
     {
         while (!stoppingToken.IsCancellationRequested)
         {
-
             try
             {
                 SynPlcFromDb(stoppingToken);
@@ -29,7 +26,7 @@ public class Worker : BackgroundService
             {
                 XTrace.WriteException(e);
             }
-            
+
             XTrace.WriteLine("Worker running at: {05}", DateTimeOffset.Now);
 
             await Task.Delay(1000, stoppingToken);
@@ -38,51 +35,57 @@ public class Worker : BackgroundService
 
     private async Task SynPlcFromDb(CancellationToken stoppingToken)
     {
-        
         using var scope = scopeFactory.CreateScope();
         var services = scope.ServiceProvider;
         var dbClient = services.GetService<ISqlSugarClient>();
+
+        var S7 = services.GetService<SiemensS7Net>();
+        var operateResult = await S7.ConnectServerAsync();
+        if (!operateResult.IsSuccess)
+        {
+            operateResult = await S7.ConnectServerAsync();
+            if (!operateResult.IsSuccess) XTrace.WriteLine("连接失败");
+        }
+
+
         var list = await dbClient.Queryable<EEquipmentStateEntity>().ToListAsync(stoppingToken);
-        foreach(var e in list)
+        foreach (var e in list)
         {
             var a = await S7.ReadBoolAsync(e.Point);
             if (a.IsSuccess)
             {
                 e.UpdateTime = DateTime.Now;
                 e.PValue = a.Content;
-                await dbClient.Updateable(e).UpdateColumns(x => new { x.UpdateTime, x.PValue }).ExecuteCommandAsync(stoppingToken);
+                await dbClient.Updateable(e).UpdateColumns(x => new { x.UpdateTime, x.PValue })
+                    .ExecuteCommandAsync(stoppingToken);
             }
             else
             {
-                XTrace.WriteLine("{0} 读取异常",e.Point );
+                XTrace.WriteLine("{0} 读取异常", e.Point);
             }
         }
 
         var listp = await dbClient.Queryable<EPointsInfoEntity>().ToListAsync(stoppingToken);
 
-        List<EPointDataEntity> ls = new List<EPointDataEntity>();
+        var ls = new List<EPointDataEntity>();
         foreach (var e in listp)
         {
             var a = await S7.ReadDoubleAsync(e.Point);
             if (a.IsSuccess)
             {
-                EPointDataEntity listd = new EPointDataEntity();
+                var listd = new EPointDataEntity();
                 listd.ID = Guid.NewGuid().ToString();
                 listd.PID = e.ID;
                 listd.CreateTime = DateTime.Now;
                 listd.Data = a.Content.ToDecimal();
                 ls.Add(listd);
-               
             }
             else
             {
-                XTrace.WriteLine("{0} 读取异常",e.Point );
+                XTrace.WriteLine("{0} 读取异常", e.Point);
             }
         }
 
-        if (ls.Any())
-        {
-            await dbClient.Insertable(ls).ExecuteCommandAsync(stoppingToken);
-        }
+        if (ls.Any()) await dbClient.Insertable(ls).ExecuteCommandAsync(stoppingToken);
     }
 }
\ No newline at end of file
diff --git a/SynPlc/appsettings.json b/SynPlc/appsettings.json
index b67ba7f..45e093e 100644
--- a/SynPlc/appsettings.json
+++ b/SynPlc/appsettings.json
@@ -6,6 +6,7 @@
     }
   },
   "ConnectionStrings": {
-    "Sql": "server=175.27.215.92;uid=sa;pwd=Hawei@123;database=Hsdb;"
+    "Sql": "server=175.27.215.92;uid=sa;pwd=Hawei@123;database=Hsdb;",
+    "Plc":"127.0.0.1"
   }
 }