diff --git a/Wox/App.xaml.cs b/Wox/App.xaml.cs
index d1b7f5f69b..44b57bb193 100644
--- a/Wox/App.xaml.cs
+++ b/Wox/App.xaml.cs
@@ -4,6 +4,7 @@ using System.IO;
 using System.Linq;
 using System.Threading;
 using Wox.CommandArgs;
+using Wox.Core.Plugin;
 using Wox.Helper;
 using Application = System.Windows.Application;
 using MessageBox = System.Windows.MessageBox;
@@ -35,6 +36,8 @@ namespace Wox
             AppDomain.CurrentDomain.UnhandledException += ErrorReporting.UnhandledExceptionHandle;
 
             Window = new MainWindow();
+            PluginManager.Init(Window);
+            ImageLoader.ImageLoader.PreloadImages();
             CommandArgsFactory.Execute(e.Args.ToList());
         }
 
diff --git a/Wox/MainWindow.xaml.cs b/Wox/MainWindow.xaml.cs
index 9e305ff40c..80dc021829 100644
--- a/Wox/MainWindow.xaml.cs
+++ b/Wox/MainWindow.xaml.cs
@@ -207,18 +207,7 @@ namespace Wox
             InitialTray();
 
             Closing += MainWindow_Closing;
-            //since MainWIndow implement IPublicAPI, so we need to finish ctor MainWindow object before
-            //PublicAPI invoke in plugin init methods. E.g FolderPlugin
-            ThreadPool.QueueUserWorkItem(o =>
-            {
-                Thread.Sleep(50);
-                PluginManager.Init(this);
-            });
-            ThreadPool.QueueUserWorkItem(o =>
-            {
-                Thread.Sleep(50);
-                PreLoadImages();
-            });
+
         }
 
         void pnlResult_ItemDropEvent(Result result, IDataObject dropDataObject, DragEventArgs args)
@@ -245,11 +234,6 @@ namespace Wox
             return true;
         }
 
-        private void PreLoadImages()
-        {
-            ImageLoader.ImageLoader.PreloadImages();
-        }
-
         void pnlResult_RightMouseClickEvent(Result result)
         {
             ShowContextMenu(result);