diff --git a/v2rayN/ServiceLib/Handler/ClashApiHandler.cs b/v2rayN/ServiceLib/Handler/ClashApiHandler.cs
index 7ba04885..01134e6d 100644
--- a/v2rayN/ServiceLib/Handler/ClashApiHandler.cs
+++ b/v2rayN/ServiceLib/Handler/ClashApiHandler.cs
@@ -7,9 +7,9 @@ namespace ServiceLib.Handler
         private static readonly Lazy<ClashApiHandler> instance = new(() => new());
         public static ClashApiHandler Instance => instance.Value;
 
+        private static readonly string _tag = "ClashApiHandler";
         private Dictionary<string, ProxiesItem>? _proxies;
         public Dictionary<string, object> ProfileContent { get; set; }
-        private static readonly string _tag = "ClashApiHandler";
 
         public async Task<Tuple<ClashProxies, ClashProviders>?> GetClashProxiesAsync(Config config)
         {
@@ -54,7 +54,7 @@ namespace ServiceLib.Handler
                         return;
                     }
                     lstProxy = new List<ClashProxyModel>();
-                    foreach (KeyValuePair<string, ProxiesItem> kv in _proxies)
+                    foreach (var kv in _proxies)
                     {
                         if (Global.notAllowTestType.Contains(kv.Value.type.ToLower()))
                         {
diff --git a/v2rayN/ServiceLib/Handler/TaskHandler.cs b/v2rayN/ServiceLib/Handler/TaskHandler.cs
index 88657f0c..08c01a46 100644
--- a/v2rayN/ServiceLib/Handler/TaskHandler.cs
+++ b/v2rayN/ServiceLib/Handler/TaskHandler.cs
@@ -26,7 +26,7 @@ namespace ServiceLib.Handler
                 //Execute once 20 minute
                 if (numOfExecuted % 20 == 0)
                 {
-                    Logging.SaveLog("Execute save config");
+                    //Logging.SaveLog("Execute save config");
 
                     await ConfigHandler.SaveConfig(config);
                     await ProfileExHandler.Instance.SaveTo();
@@ -35,7 +35,7 @@ namespace ServiceLib.Handler
                 //Execute once 1 hour
                 if (numOfExecuted % 60 == 0)
                 {
-                    Logging.SaveLog("Execute delete expired files");
+                    //Logging.SaveLog("Execute delete expired files");
 
                     FileManager.DeleteExpiredFiles(Utils.GetBinConfigPath(), DateTime.Now.AddHours(-1));
                     FileManager.DeleteExpiredFiles(Utils.GetLogPath(), DateTime.Now.AddMonths(-1));
@@ -72,7 +72,7 @@ namespace ServiceLib.Handler
                     updateFunc?.Invoke(success, msg);
                     if (success)
                     {
-                        Logging.SaveLog("Update subscription end" + msg);
+                        Logging.SaveLog($"Update subscription end. {msg}");
                     }
                 });
                 item.UpdateTime = updateTime;
diff --git a/v2rayN/ServiceLib/ViewModels/ClashConnectionsViewModel.cs b/v2rayN/ServiceLib/ViewModels/ClashConnectionsViewModel.cs
index 761fd9b7..166da0ee 100644
--- a/v2rayN/ServiceLib/ViewModels/ClashConnectionsViewModel.cs
+++ b/v2rayN/ServiceLib/ViewModels/ClashConnectionsViewModel.cs
@@ -53,26 +53,31 @@ namespace ServiceLib.ViewModels
 
         private async Task Init()
         {
-            var lastTime = DateTime.Now;
+            Task.Run(async () =>
+            {
+                var numOfExecuted = 1;
+                while (true)
+                {
+                    await Task.Delay(1000 * 5);
+                    numOfExecuted++;
+                    if (!(AutoRefresh && _config.UiItem.ShowInTaskbar && _config.IsRunningCore(ECoreType.sing_box)))
+                    {
+                        continue;
+                    }
+
+                    if (_config.ClashUIItem.ConnectionsRefreshInterval <= 0)
+                    {
+                        continue;
+                    }
+
+                    if (numOfExecuted % _config.ClashUIItem.ConnectionsRefreshInterval != 0)
+                    {
+                        continue;
+                    }
+                    await GetClashConnections();
+                }
+            });
 
-            Observable.Interval(TimeSpan.FromSeconds(5))
-              .Subscribe(async x =>
-              {
-                  if (!(AutoRefresh && _config.UiItem.ShowInTaskbar && _config.IsRunningCore(ECoreType.sing_box)))
-                  {
-                      return;
-                  }
-                  var dtNow = DateTime.Now;
-                  if (_config.ClashUIItem.ConnectionsRefreshInterval > 0)
-                  {
-                      if ((dtNow - lastTime).Minutes % _config.ClashUIItem.ConnectionsRefreshInterval == 0)
-                      {
-                          await GetClashConnections();
-                          lastTime = dtNow;
-                      }
-                      Task.Delay(1000).Wait();
-                  }
-              });
             await Task.CompletedTask;
         }
 
diff --git a/v2rayN/ServiceLib/ViewModels/ClashProxiesViewModel.cs b/v2rayN/ServiceLib/ViewModels/ClashProxiesViewModel.cs
index 091a4215..5d8535c4 100644
--- a/v2rayN/ServiceLib/ViewModels/ClashProxiesViewModel.cs
+++ b/v2rayN/ServiceLib/ViewModels/ClashProxiesViewModel.cs
@@ -95,8 +95,8 @@ namespace ServiceLib.ViewModels
 
         private async Task Init()
         {
-            await ProxiesReload();
             _ = DelayTestTask();
+            await ProxiesReload();
         }
 
         private async Task DoRulemodeSelected(bool c)
@@ -383,8 +383,6 @@ namespace ServiceLib.ViewModels
 
         private async Task ProxiesDelayTest(bool blAll)
         {
-            //UpdateHandler(false, "Clash Proxies Latency Test");
-
             ClashApiHandler.Instance.ClashProxiesDelayTest(blAll, _proxyDetails.ToList(), async (item, result) =>
             {
                 if (item == null)
@@ -434,13 +432,13 @@ namespace ServiceLib.ViewModels
 
         public async Task DelayTestTask()
         {
-            var lastTime = DateTime.Now;
-            _ = Task.Run(async () =>
+            Task.Run(async () =>
             {
+                var numOfExecuted = 1;
                 while (true)
                 {
                     await Task.Delay(1000 * 60);
-
+                    numOfExecuted++;
                     if (!(AutoRefresh && _config.UiItem.ShowInTaskbar && _config.IsRunningCore(ECoreType.sing_box)))
                     {
                         continue;
@@ -449,13 +447,11 @@ namespace ServiceLib.ViewModels
                     {
                         continue;
                     }
-                    var dtNow = DateTime.Now;
-                    if ((dtNow - lastTime).Minutes % _config.ClashUIItem.ProxiesAutoDelayTestInterval != 0)
+                    if (numOfExecuted % _config.ClashUIItem.ProxiesAutoDelayTestInterval != 0)
                     {
                         continue;
                     }
                     await ProxiesDelayTest();
-                    lastTime = dtNow;
                 }
             });
             await Task.CompletedTask;