diff --git a/snake.py b/snake.py
index 537316e..a10d972 100644
--- a/snake.py
+++ b/snake.py
@@ -1,9 +1,10 @@
 import pygame
 from pygame import locals
-
+import random
 # 初始化pygame，为使用硬件做准备
 pygame.init()
-
+apple_x=0
+apple_y=0
 # 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）
@@ -14,12 +15,12 @@ right = pygame.image.load('right.png')      # 头 朝右
 food = pygame.image.load('apple.png')       # 食物 苹果
 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
+up = pygame.image.load('up.png')            # 头 朝上       
 down = pygame.image.load('down.png')        # 头 朝下
-
+my_font=pygame.font.Font('neuropol.ttf',18)
 x, y = 240, 120
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
-
+score = 0
 setheading = "right"
 snake_head = right
 
@@ -52,7 +53,16 @@ while True:
     else:
         y += 30
     position.append((x, y))
-    position.pop(0)
+    if x==apple_x and y==apple_y:
+        num1=random.randint(1,22)
+        num2=random.randint(1,16)    
+        apple_x=num1*30-30
+        apple_y=num2*30-30
+        score+=1
+    else:
+        position.pop(0)
+    if x < 0 or x > 630 or y < 0 or y > 450:
+        exit()
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇的头画上去
@@ -62,7 +72,10 @@ while True:
         screen.blit(body, position[i])
 
     # 将果实画上去
-    screen.blit(food, (360, 300))
-    # 刷新画面
+    screen.blit(food, (apple_x, apple_y))
+    info='Score'+str(score)
+    text=my_font.render(info, True, (0,0,0))
+    screen.blit(text, (540,10))
+# 刷新画面
     pygame.display.update()
     FPSCLOCK.tick(3)
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