diff --git a/XCoder/Program.cs b/XCoder/Program.cs
index 28057c5..bd1eba0 100644
--- a/XCoder/Program.cs
+++ b/XCoder/Program.cs
@@ -1,9 +1,11 @@
 using System.Diagnostics;
+using System.Net.NetworkInformation;
 using System.Text;
 using NewLife;
 using NewLife.Log;
 using NewLife.Threading;
 using Stardust;
+using Stardust.Models;
 using Stardust.Services;
 
 namespace XCoder;
@@ -45,8 +47,6 @@ static class Program
 
         XTrace.WriteLine("初始化服务端地址：{0}", server);
 
-        var star = new StarFactory();
-
         var client = new StarClient(server)
         {
             Code = set.Code,
@@ -67,6 +67,7 @@ static class Program
             }
         };
 
+        // 使用跟踪
         client.UseTrace();
 
         Application.ApplicationExit += (s, e) => client.Logout("ApplicationExit");
@@ -79,24 +80,50 @@ static class Program
 
     private static async Task TryConnectServer(Object state)
     {
+        if (!NetworkInterface.GetIsNetworkAvailable() || AgentInfo.GetIps().IsNullOrEmpty())
+        {
+            return;
+        }
+
         var client = state as StarClient;
-        var set = XConfig.Current;
-        await client.Login();
-        await CheckUpgrade(client, set.Channel);
 
-        // 登录成功，销毁定时器
-        //TimerX.Current.Period = 0;
+        try
+        {
+            await client.Login();
+            //await CheckUpgrade(client);
+        }
+        catch (Exception ex)
+        {
+            // 登录报错后，加大定时间隔，输出简单日志
+            //_timer.Period = 30_000;
+            if (_timer.Period < 30_000) _timer.Period += 5_000;
+
+            XTrace.Log?.Error(ex.Message);
+
+            return;
+        }
+
         _timer.TryDispose();
-        _timer = null;
+        _timer = new TimerX(CheckUpgrade, null, 5_000, 600_000) { Async = true };
+
+        client.RegisterCommand("node/upgrade", s => _timer.SetNext(-1));
     }
 
     private static String _lastVersion;
-    private static async Task CheckUpgrade(StarClient client, String channel)
+    private static async Task CheckUpgrade(Object data)
     {
+        var client = _Client;
+        using var span = client.Tracer?.NewSpan("CheckUpgrade", new { _lastVersion });
+
+        // 运行过程中可能改变配置文件的通道
+        var set = XConfig.Current;
         var ug = new Stardust.Web.Upgrade { Log = XTrace.Log };
 
+        // 去除多余入口文件
+        ug.Trim("CrazyCoder");
+
         // 检查更新
-        var ur = await client.Upgrade(channel);
+        var ur = await client.Upgrade(set.Channel);
         if (ur != null && ur.Version != _lastVersion)
         {
             client.WriteInfoEvent("Upgrade", $"准备从[{_lastVersion}]更新到[{ur.Version}]，开始下载 {ur.Source}");
@@ -134,26 +161,26 @@ static class Program
                         if (rs && !ur.Executor.IsNullOrEmpty()) ug.Run(ur.Executor);
                         _lastVersion = ur.Version;
 
+                        // 去除多余入口文件
+                        ug.Trim("CrazyCoder");
+
                         // 强制更新时，马上重启
                         if (rs && ur.Force)
                         {
                             // 重新拉起进程
-                            var star = "CrazyCoder.exe";
-                            XTrace.WriteLine("强制升级，拉起进程 {0} -upgrade", star.GetFullPath());
-                            var p = Process.Start(star.GetFullPath(), "-upgrade");
+                            rs = ug.Run("CrazyCoder.exe", "-run -upgrade");
 
-                            if (p.WaitForExit(5_000) && p.ExitCode != 0)
+                            if (rs)
                             {
-                                client.WriteInfoEvent("Upgrade", "强制更新完成，但拉起新进程失败");
+                                var pid = Process.GetCurrentProcess().Id;
+                                client.WriteInfoEvent("Upgrade", "强制更新完成，新进程已拉起，准备退出当前进程！PID=" + pid);
+
+                                ug.KillSelf();
                             }
                             else
                             {
-                                client.WriteInfoEvent("Upgrade", "强制更新完成，新进程已拉起，准备退出当前进程");
-
-                                ug.KillSelf();
+                                client.WriteInfoEvent("Upgrade", "强制更新完成，但拉起新进程失败");
                             }
-
-                            Application.Exit();
                         }
                     }
                 }