diff --git a/Netch/Controllers/MainController.cs b/Netch/Controllers/MainController.cs
index 26f6de35..a8c1a41f 100644
--- a/Netch/Controllers/MainController.cs
+++ b/Netch/Controllers/MainController.cs
@@ -13,7 +13,6 @@ namespace Netch.Controllers
     {
         public static Mode? Mode;
 
-        /// TCP or Both Server
         public static Server? Server;
 
         private static Server? _udpServer;
@@ -50,11 +49,6 @@ namespace Netch.Controllers
         /// <returns>是否启动成功</returns>
         /// <exception cref="MessageException"></exception>
         public static async Task StartAsync(Server server, Mode mode)
-        {
-            await Task.Run(() => Start(server, mode));
-        }
-
-        public static void Start(Server server, Mode mode)
         {
             Log.Information("启动主控制器: {Server} {Mode}", $"{server.Type}", $"[{(int)mode.Type}]{mode.Remark}");
             Server = server;
@@ -81,7 +75,7 @@ namespace Netch.Controllers
             }
             catch (Exception e)
             {
-                Stop();
+                await StopAsync();
 
                 switch (e)
                 {
@@ -131,21 +125,13 @@ namespace Netch.Controllers
         }
 
         public static async Task StopAsync()
-        {
-            await Task.Run(Stop);
-        }
-
-        /// <summary>
-        ///     停止
-        /// </summary>
-        public static void Stop()
         {
             if (_serverController == null && ModeController == null)
                 return;
 
             StatusPortInfoText.Reset();
 
-            _ = Task.Run(() => NTTController.Stop());
+            Task.Run(() => NTTController.Stop()).Forget();
 
             var tasks = new[]
             {
@@ -155,7 +141,7 @@ namespace Netch.Controllers
 
             try
             {
-                Task.WaitAll(tasks);
+                await Task.WhenAll(tasks);
             }
             catch (Exception e)
             {
diff --git a/Netch/Forms/MainForm.cs b/Netch/Forms/MainForm.cs
index 0d64b3b4..4c6c1236 100644
--- a/Netch/Forms/MainForm.cs
+++ b/Netch/Forms/MainForm.cs
@@ -501,14 +501,14 @@ namespace Netch.Forms
 
             State = State.Started;
 
-            _ = Task.Run(Bandwidth.NetTraffic);
-            _ = Task.Run(NatTest);
+            Task.Run(Bandwidth.NetTraffic).Forget();
+            Task.Run(NatTest).Forget();
 
             if (Global.Settings.MinimizeWhenStarted)
                 Minimize();
 
             // 自动检测延迟
-            _ = Task.Run(() =>
+            Task.Run(() =>
             {
                 while (State == State.Started)
                     if (Global.Settings.StartedPingInterval >= 0)
@@ -522,7 +522,7 @@ namespace Netch.Forms
                     {
                         Thread.Sleep(5000);
                     }
-            });
+            }).Forget();
         }
 
         #endregion
@@ -620,7 +620,7 @@ namespace Netch.Forms
             else
             {
                 ServerHelper.DelayTestHelper.TestDelayFinished += OnTestDelayFinished;
-                _ = Task.Run(ServerHelper.DelayTestHelper.TestAllDelay);
+                Task.Run(ServerHelper.DelayTestHelper.TestAllDelay).Forget();
 
                 void OnTestDelayFinished(object? o1, EventArgs? e1)
                 {
diff --git a/Netch/Utils/Configuration.cs b/Netch/Utils/Configuration.cs
index e3daaef5..b4de4f06 100644
--- a/Netch/Utils/Configuration.cs
+++ b/Netch/Utils/Configuration.cs
@@ -59,12 +59,15 @@ namespace Netch.Utils
         {
             try
             {
-                await using var fs = new FileStream(filename, FileMode.Open, FileAccess.Read, FileShare.Read, 4096, true);
-                var settings = (await JsonSerializer.DeserializeAsync<Setting>(fs, JsonSerializerOptions))!;
+                var fs = new FileStream(filename, FileMode.Open, FileAccess.Read, FileShare.Read, 4096, true);
+                await using (fs.ConfigureAwait(false))
+                {
+                    var settings = (await JsonSerializer.DeserializeAsync<Setting>(fs, JsonSerializerOptions).ConfigureAwait(false))!;
 
-                CheckSetting(settings);
-                Global.Settings = settings;
-                return true;
+                    CheckSetting(settings);
+                    Global.Settings = settings;
+                    return true;
+                }
             }
             catch (Exception e)
             {
@@ -96,10 +99,10 @@ namespace Netch.Utils
                     Directory.CreateDirectory(DataDirectoryFullName);
 
                 var tempFile = Path.Combine(DataDirectoryFullName, FileFullName + ".tmp");
-
-                await using (var fileStream = new FileStream(tempFile, FileMode.Create, FileAccess.Write, FileShare.None, 4096, true))
+                var fileStream = new FileStream(tempFile, FileMode.Create, FileAccess.Write, FileShare.None, 4096, true);
+                await using (fileStream.ConfigureAwait(false))
                 {
-                    await JsonSerializer.SerializeAsync(fileStream, Global.Settings, JsonSerializerOptions);
+                    await JsonSerializer.SerializeAsync(fileStream, Global.Settings, JsonSerializerOptions).ConfigureAwait(false);
                 }
 
                 File.Replace(tempFile, FileFullName, BackupFileFullName);
diff --git a/Netch/Utils/TplExtensions.cs b/Netch/Utils/TplExtensions.cs
new file mode 100644
index 00000000..a11d6ddc
--- /dev/null
+++ b/Netch/Utils/TplExtensions.cs
@@ -0,0 +1,11 @@
+using System.Threading.Tasks;
+
+namespace Netch.Utils
+{
+    public static class TplExtensions
+    {
+        public static void Forget(this Task? task)
+        {
+        }
+    }
+}
\ No newline at end of file