diff --git a/snake.py b/snake.py
index c4b8530..de1ce09 100644
--- a/snake.py
+++ b/snake.py
@@ -1,5 +1,6 @@
 import pygame
 from pygame import locals
+import random
 
 # 初始化pygame，为使用硬件做准备
 pygame.init()
@@ -16,9 +17,12 @@ 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
-
+zi=pygame.font.Font("neuropol.ttf",18)
 x, y = 240, 120
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
+applex=360
+appley=300
+score=0
 
 setheading = "right"
 snake_head = right
@@ -52,7 +56,19 @@ while True:
     else:
         y += 30
     position.append((x, y))
-    position.pop(0)
+    
+    if applex==x and appley==y:
+        num1=random.randint(1,22)
+        num2=random.randint(1,16)
+        applex=num1*30-30
+        appley=num2*30-30
+        score+=10
+    else:
+        position.pop(0)
+
+    if x>630 or x<0 or y>450 or y<0:
+        exit()
+
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇的头画上去
@@ -62,7 +78,12 @@ while True:
         screen.blit(body, position[i])
 
     # 将果实画上去
-    screen.blit(food, (360, 300))
+    screen.blit(food, (applex, appley))
+
+    info="score"+str(score)
+    text=zi.render(info,True,(0,0,0))
+    
+    screen.blit(text,(540,10))
     # 刷新画面
     pygame.display.update()
-    FPSCLOCK.tick(60)
\ No newline at end of file
+    FPSCLOCK.tick(5)
\ No newline at end of file