auto save

my_game.py

@@ -52,7 +52,8 @@ while True:
         if index == 5:
             index = 0
     else:
-        hero = hero_img[4]
+        index = 4
+        hero = hero_img[index]
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(road_img, (0, 500))