diff --git a/Wox.Plugin.SystemPlugins/Sys.cs b/Wox.Plugin.SystemPlugins/Sys.cs
index 9a9d28d80..fd85057f2 100644
--- a/Wox.Plugin.SystemPlugins/Sys.cs
+++ b/Wox.Plugin.SystemPlugins/Sys.cs
@@ -86,6 +86,24 @@ namespace Wox.Plugin.SystemPlugins
                 }
             });
             availableResults.Add(new Result
+            {
+                Title = "Restart Wox",
+                SubTitle = "Restart Wox",
+                Score = 110,
+                IcoPath = "Images\\restart.png",
+                Action = (c) =>
+                {
+                    ProcessStartInfo Info = new ProcessStartInfo();
+                    Info.Arguments = "/C ping 127.0.0.1 -n 1 && \"" + Application.ExecutablePath + "\"";
+                    Info.WindowStyle = ProcessWindowStyle.Hidden;
+                    Info.CreateNoWindow = true;
+                    Info.FileName = "cmd.exe";
+                    Process.Start(Info);
+                    context.CloseApp();
+                    return true;
+                }
+            });
+            availableResults.Add(new Result
             {
                 Title = "Setting",
                 SubTitle = "Tweak this app",
diff --git a/Wox/Images/restart.png b/Wox/Images/restart.png
new file mode 100644
index 000000000..7230a66fc
Binary files /dev/null and b/Wox/Images/restart.png differ
diff --git a/Wox/MainWindow.xaml.cs b/Wox/MainWindow.xaml.cs
index df5b560a2..b221b88fe 100644
--- a/Wox/MainWindow.xaml.cs
+++ b/Wox/MainWindow.xaml.cs
@@ -247,10 +247,10 @@ namespace Wox
             {
                 var origScreen = Screen.FromRectangle(new Rectangle((int) Left, (int) Top, (int) ActualWidth, (int) ActualHeight));
                 var screen = Screen.FromPoint(System.Windows.Forms.Cursor.Position);
-                var croodX = (Left + ActualWidth / 2.0 - (origScreen.Bounds.Left + origScreen.Bounds.Right) / 2.0) / origScreen.Bounds.Width;
-                var croodY = (Top + ActualHeight / 2.0 - (origScreen.Bounds.Top + origScreen.Bounds.Bottom) / 2.0) / origScreen.Bounds.Height;
-                Left = croodX * screen.Bounds.Width - ActualWidth / 2.0 + (screen.Bounds.Left + screen.Bounds.Right) / 2.0;
-                Top = croodY * screen.Bounds.Height - ActualHeight / 2.0 + (screen.Bounds.Top + screen.Bounds.Bottom) / 2.0;
+                var coordX = (Left - origScreen.WorkingArea.Left)/(origScreen.WorkingArea.Width - ActualWidth);
+                var coordY = (Top - origScreen.WorkingArea.Top)/(origScreen.WorkingArea.Height - ActualHeight);
+                Left = (screen.WorkingArea.Width - ActualWidth)*coordX + screen.WorkingArea.Left;
+                Top = (screen.WorkingArea.Height - ActualHeight)*coordY + screen.WorkingArea.Top;
             }
 
             Show();