diff --git a/snake.py b/snake.py
index b6e0a6e..a1b60b6 100644
--- a/snake.py
+++ b/snake.py
@@ -16,13 +16,14 @@ 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
-
+my_font=pygame.font.Font("neuropol.ttf",18)
 x, y = 240, 120
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
-
+s=[]
 setheading = "right"
 snake_head = right
 food_x,food_y=360,300
+score=0
 while True:
     for event in pygame.event.get():
         if event.type == QUIT:
@@ -41,7 +42,10 @@ while True:
             if event.key == K_DOWN and setheading != "up":
                 setheading = 'down'
                 snake_head = down
-
+    for i in position[:-1]:
+       if i==(x,y):
+           exit()
+            
     # 设置贪吃蛇的头部坐标
     if setheading == "right":
         x += 30
@@ -53,12 +57,13 @@ while True:
         y += 30
     position.append((x, y))
     
-        
+   
     if x==food_x and y==food_y:
         o=random.randint(1,22)
         o1=random.randint(1,16)
         food_x=o*30-30
         food_y=o1*30-30
+        score+=10
     else:
         position.pop(0) 
 
@@ -75,6 +80,10 @@ while True:
 
     # 将果实画上去
     screen.blit(food, (food_x, food_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)
\ No newline at end of file