diff --git a/Flow.Launcher.Core/Plugin/PluginManager.cs b/Flow.Launcher.Core/Plugin/PluginManager.cs
index 0ee268f5c..4c85fb061 100644
--- a/Flow.Launcher.Core/Plugin/PluginManager.cs
+++ b/Flow.Launcher.Core/Plugin/PluginManager.cs
@@ -23,6 +23,8 @@ namespace Flow.Launcher.Core.Plugin
     /// </summary>
     public static class PluginManager
     {
+        private static readonly string ClassName = nameof(PluginManager);
+
         private static IEnumerable<PluginPair> _contextMenuPlugins;
 
         public static List<PluginPair> AllPlugins { get; private set; }
@@ -194,7 +196,7 @@ namespace Flow.Launcher.Core.Plugin
             {
                 try
                 {
-                    var milliseconds = await Stopwatch.DebugAsync($"|PluginManager.InitializePlugins|Init method time cost for <{pair.Metadata.Name}>",
+                    var milliseconds = await API.StopwatchLogDebugAsync(ClassName, $"Init method time cost for <{pair.Metadata.Name}>",
                         () => pair.Plugin.InitAsync(new PluginInitContext(pair.Metadata, API)));
 
                     pair.Metadata.InitTime += milliseconds;
@@ -266,7 +268,7 @@ namespace Flow.Launcher.Core.Plugin
 
             try
             {
-                var milliseconds = await Stopwatch.DebugAsync($"|PluginManager.QueryForPlugin|Cost for {metadata.Name}",
+                var milliseconds = await API.StopwatchLogDebugAsync(ClassName, $"Cost for {metadata.Name}",
                     async () => results = await pair.Plugin.QueryAsync(query, token).ConfigureAwait(false));
 
                 token.ThrowIfCancellationRequested();
diff --git a/Flow.Launcher.Core/Plugin/PluginsLoader.cs b/Flow.Launcher.Core/Plugin/PluginsLoader.cs
index 495a4c1ab..1010d9f08 100644
--- a/Flow.Launcher.Core/Plugin/PluginsLoader.cs
+++ b/Flow.Launcher.Core/Plugin/PluginsLoader.cs
@@ -11,12 +11,17 @@ using Flow.Launcher.Infrastructure.Logger;
 #pragma warning restore IDE0005
 using Flow.Launcher.Infrastructure.UserSettings;
 using Flow.Launcher.Plugin;
-using Stopwatch = Flow.Launcher.Infrastructure.Stopwatch;
 
 namespace Flow.Launcher.Core.Plugin
 {
     public static class PluginsLoader
     {
+        private static readonly string ClassName = nameof(PluginsLoader);
+
+        // We should not initialize API in static constructor because it will create another API instance
+        private static IPublicAPI api = null;
+        private static IPublicAPI API => api ??= Ioc.Default.GetRequiredService<IPublicAPI>();
+
         public static List<PluginPair> Plugins(List<PluginMetadata> metadatas, PluginsSettings settings)
         {
             var dotnetPlugins = DotNetPlugins(metadatas);
@@ -59,8 +64,7 @@ namespace Flow.Launcher.Core.Plugin
 
             foreach (var metadata in metadatas)
             {
-                var milliseconds = Stopwatch.Debug(
-                    $"|PluginsLoader.DotNetPlugins|Constructor init cost for {metadata.Name}", () =>
+                var milliseconds = API.StopwatchLogDebug(ClassName, $"Constructor init cost for {metadata.Name}", () =>
                     {
                         Assembly assembly = null;
                         IAsyncPlugin plugin = null;
diff --git a/Flow.Launcher/App.xaml.cs b/Flow.Launcher/App.xaml.cs
index 81938612c..90fefe0a6 100644
--- a/Flow.Launcher/App.xaml.cs
+++ b/Flow.Launcher/App.xaml.cs
@@ -21,7 +21,6 @@ using Flow.Launcher.Plugin;
 using Flow.Launcher.ViewModel;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
-using Stopwatch = Flow.Launcher.Infrastructure.Stopwatch;
 
 namespace Flow.Launcher
 {
@@ -35,6 +34,8 @@ namespace Flow.Launcher
 
         #region Private Fields
 
+        private static readonly string ClassName = nameof(App);
+
         private static bool _disposed;
         private MainWindow _mainWindow;
         private readonly MainViewModel _mainVM;
@@ -136,7 +137,7 @@ namespace Flow.Launcher
 
         private async void OnStartup(object sender, StartupEventArgs e)
         {
-            await Stopwatch.NormalAsync("|App.OnStartup|Startup cost", async () =>
+            await API.StopwatchLogInfoAsync(ClassName, "Startup cost", async () =>
             {
                 // Because new message box api uses MessageBoxEx window,
                 // if it is created and closed before main window is created, it will cause the application to exit.
@@ -313,7 +314,7 @@ namespace Flow.Launcher
                 _disposed = true;
             }
 
-            Stopwatch.Normal("|App.Dispose|Dispose cost", () =>
+            API.StopwatchLogInfo(ClassName, "Dispose cost", () =>
             {
                 Log.Info("|App.Dispose|Begin Flow Launcher dispose ----------------------------------------------------");