diff --git a/my_game.py b/my_game.py
index 53f76a3..e41ff95 100644
--- a/my_game.py
+++ b/my_game.py
@@ -5,25 +5,49 @@ pygame.init()  # 初始化
 # 创建一个窗口
 screen = pygame.display.set_mode((1000, 600))
 FPS = pygame.time.Clock()  # pygame时钟，控制游戏速度（帧数）
+pygame.display.set_caption("悟空酷跑")            #设置窗口标题
 # 载入图片
 background = pygame.image.load('bg.png')    # 背景
 road = pygame.image.load('road.png')      # 路
 stone = pygame.image.load('stone.png')      # 石头
 cacti = pygame.image.load('cacti.png')      # 仙人掌
 apple = pygame.image.load('bush.png')      # 灌木丛
-hero = pygame.image.load('hero1.png')
+hero=[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')]
 index = 0 
-
+y = 400
+jumpState = "running"
 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()
-
+        if event.type == locals.KEYDOWN:
+            if event.key == locals.K_SPACE:
+                jumpState ="up"
+    if jumpState =="up":
+        if y > 150:
+            y -= 5
+        else:
+            jumpState ="down"
+    if jumpState =="down":
+        if y < 400:
+            y += 5
+        else:
+            jumpState ="running"
+        
+                
+    wukong = hero[index]
+    index += 1
+    if index >= 5:
+        index = 0
     # 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,y))
     # 刷新画面
     pygame.display.update()
-    FPS.tick(60)
\ No newline at end of file
+    FPS.tick(120)
\ No newline at end of file