diff --git a/AirBomber/AirBomber/DrawningBomber.cs b/AirBomber/AirBomber/DrawningBomber.cs
index 1643a4f..6b37f11 100644
--- a/AirBomber/AirBomber/DrawningBomber.cs
+++ b/AirBomber/AirBomber/DrawningBomber.cs
@@ -24,9 +24,9 @@ namespace AirBomber
 
         public void SetPosition(int x, int y, int width, int height)
         {
-            if (x > _pictureWidth || x < 0) return;
+            if (x + _airBomberWidth > width || x < 0) return;
             else _startPosX = x;
-            if (y > _pictureHeight || y < 0) return;
+            if (y + _airBomberHeight> height || y < 0) return;
             else _startPosY = y;
             _pictureWidth = width;
             _pictureHeight = height;
diff --git a/AirBomber/AirBomber/FormAirBomber.Designer.cs b/AirBomber/AirBomber/FormAirBomber.Designer.cs
index e939b45..9234790 100644
--- a/AirBomber/AirBomber/FormAirBomber.Designer.cs
+++ b/AirBomber/AirBomber/FormAirBomber.Designer.cs
@@ -48,6 +48,7 @@
             this.pictureBoxAirBomber.Location = new System.Drawing.Point(0, 0);
             this.pictureBoxAirBomber.Name = "pictureBoxAirBomber";
             this.pictureBoxAirBomber.Size = new System.Drawing.Size(874, 515);
+            this.pictureBoxAirBomber.SizeMode = System.Windows.Forms.PictureBoxSizeMode.AutoSize;
             this.pictureBoxAirBomber.TabIndex = 0;
             this.pictureBoxAirBomber.TabStop = false;
             this.pictureBoxAirBomber.Resize += new System.EventHandler(this.PictureBoxAirBomber_Resize);