diff --git a/Tank/src/FormTankGenerate.java b/Tank/src/FormTankGenerate.java
index 0e95bdf..3f1e687 100644
--- a/Tank/src/FormTankGenerate.java
+++ b/Tank/src/FormTankGenerate.java
@@ -41,8 +41,8 @@ public class FormTankGenerate extends JFrame {
         creatButton.addActionListener(
             new ActionListener() {
                 public void actionPerformed(ActionEvent e){
-                   _drawingTank = genericTankGenerate.GenerateTank(pictureBoxWidth,pictureBoxHeight);
-                   canv.repaint();
+                    _drawingTank = genericTankGenerate.GenerateTank(pictureBoxWidth,pictureBoxHeight);
+                    canv.repaint();
                 }
             }
         );