diff --git a/my_game.py b/my_game.py
index 53f76a3..00cf8be 100644
--- a/my_game.py
+++ b/my_game.py
@@ -13,17 +13,25 @@ cacti = pygame.image.load('cacti.png')      # 仙人掌
 apple = pygame.image.load('bush.png')      # 灌木丛
 hero = pygame.image.load('hero1.png')
 index = 0 
+list = [pygame.image.load("hero1.png"),
+pygame.image.load("hero2.png"),
+pygame.image.load("hero3.png"),
+pygame.image.load("hero4.png"),
+pygame.image.load("hero5.png")]
 
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             exit()
-
+    index += 1
+    if index == len(list):
+        index = 0
+    wukong = list[index]
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(road, (0, 500))
-    screen.blit(hero, (150, 400))
+    screen.blit(wukong, (150, 400))
     # 刷新画面
     pygame.display.update()
     FPS.tick(60)
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