diff --git a/my_game.py b/my_game.py
index 53f76a3..f6165db 100644
--- a/my_game.py
+++ b/my_game.py
@@ -1,29 +1,70 @@
 import pygame
+import random
 from pygame import locals
 
 pygame.init()  # 初始化
-# 创建一个窗口
 screen = pygame.display.set_mode((1000, 600))
+pygame.display.set_caption('悟空酷跑')
 FPS = pygame.time.Clock()  # pygame时钟，控制游戏速度（帧数）
+
 # 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')
-index = 0 
+bush = pygame.image.load('bush.png')      # 灌木丛
+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
+t = 30
+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 jumpstate == 'running':
+                if event.key == locals.K_SPACE:
+                    jumpstate = 'up'
+
+    if jumpstate == 'up':
+        if t > 0:
+            y -= t 
+            t -= 2
+        else:
+            jumpstate = 'down'
+    if jumpstate == 'down':
+        if t <= 30:
+            y += t
+            t += 2
+        else:
+            jumpstate = 'running'
+            t = 30
+
+
+
+    wukong = hero[index]
+    if jumpstate == 'running':
+        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))
+
+    if rect.x <= 0 - rect.width:
+        obstacle = random.choice([cacti,bush,stone])
+        rect = obstacle.get_rect
+        rect.x = 1000
+        rect.y = 500 - rect.height
+    rect.x -= 8
+    screen.blit(obstacle, (rect.x,rect.y))
+
     # 刷新画面
     pygame.display.update()
     FPS.tick(60)
\ No newline at end of file