auto save

my_game.py

@@ -80,7 +80,7 @@ while True:
         rect = obctacle.get_rect()
         rect.x = 1000
         rect.y = 500 - rect.height
-    aa.rect.x -= 8 
+    rect.x -= 8 
     screen.blit(obctacle, (rect.x, rect.y)) 
     # 刷新画面
     pygame.display.update()