diff --git a/snake.py b/snake.py
index 537316e..b561cb2 100644
--- a/snake.py
+++ b/snake.py
@@ -1,13 +1,11 @@
 import pygame
+import random
 from pygame import locals
-
 # 初始化pygame，为使用硬件做准备
 pygame.init()
-
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
 FPSCLOCK = pygame.time.Clock()  # pygame时钟，控制游戏速度（帧数）
-
 # 背景
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')      # 头 朝右
@@ -16,13 +14,12 @@ body = pygame.image.load('body.png')        # 身体
 left = pygame.image.load('left.png')        # 头 朝左
 up = pygame.image.load('up.png')            # 头 朝上
 down = pygame.image.load('down.png')        # 头 朝下
-
 x, y = 240, 120
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
-
+apple_x=300
+apple_y=360
 setheading = "right"
 snake_head = right
-
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -41,7 +38,6 @@ while True:
             if event.key == locals.K_DOWN and setheading != "up":
                 setheading = 'down'
                 snake_head = down
-
     # 设置贪吃蛇的头部坐标
     if setheading == "right":
         x += 30
@@ -52,7 +48,12 @@ while True:
     else:
         y += 30
     position.append((x, y))
+    if x==apple_x and y==apple_y:
+        apple_x=random.randint(0,660)
+        apple_y=random.randint(0,480)
     position.pop(0)
+    #苹果
+    
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇的头画上去
@@ -62,7 +63,7 @@ while True:
         screen.blit(body, position[i])
 
     # 将果实画上去
-    screen.blit(food, (360, 300))
+    screen.blit(food, (apple_x, apple_y))
     # 刷新画面
     pygame.display.update()
     FPSCLOCK.tick(3)
\ No newline at end of file