diff --git a/VPet-Simulator.Windows/Function/MWController.cs b/VPet-Simulator.Windows/Function/MWController.cs
index b5850cc..4cebeeb 100644
--- a/VPet-Simulator.Windows/Function/MWController.cs
+++ b/VPet-Simulator.Windows/Function/MWController.cs
@@ -16,6 +16,13 @@ namespace VPet_Simulator.Windows
             this.mw = mw;
             _isPrimaryScreen = mw.Set.MoveAreaDefault;
             _screenBorder = mw.Set.MoveArea;
+
+            // control position inside bounds
+            double dist;
+            if ((dist = GetWindowsDistanceLeft()) < 0) mw.Left -= dist;
+            if ((dist = GetWindowsDistanceRight()) < 0) mw.Left += dist;
+            if ((dist = GetWindowsDistanceUp()) < 0) mw.Top -= dist;
+            if ((dist = GetWindowsDistanceDown()) < 0) mw.Top += dist;
         }
 
         private Rectangle _screenBorder;