auto save

snake.py

@@ -61,7 +61,7 @@ while True:
         apple_y = num2*30 - 30
         apple_y = num2*30 - 30
     else:
     else:
         position.pop(0)
         position.pop(0)
-    if x == 0 or x == 630 or y == 0 or == 450:
+    if x == -30 or x == 660 or y == -30 or y == 480:
         exit()
         exit()
     # 将背景图画上去
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(background, (0, 0))