auto save

my_game.py

@@ -92,7 +92,7 @@ while True:
         obstacle.rect.x -= 8
         screen.blit(obstacle.image, (obstacle.rect.x,obstacle.rect.y)) 
         if obstacle.rect.x <= 0- obstacle.rect.width:  
-            obstacle.kill()
+            obstacle.killvv ()
     # 刷新画面
     pygame.display.update()
     FPS.tick(60)
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