diff --git a/snake.py b/snake.py
index 6c54324..5d35d77 100644
--- a/snake.py
+++ b/snake.py
@@ -17,7 +17,7 @@ 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)
+#my_font=pygame.font.Font('neuropol.ttf',18)
 
 x, y = 240, 120
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
@@ -64,6 +64,8 @@ while True:
         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
@@ -75,9 +77,9 @@ while True:
     # 将果实画上去
     screen.blit (food,(apple_x,apple_y))
 
-    info ="Score"+str(score)
-    text = my_font(info,True,(0,0,0))
-    screen.blit(text,(540,10))
+ #   info ="Score"+str(score)
+ #   text = my_font(info,True,(0,0,0))
+ #   screen.blit(text,(540,10))
     # 刷新画面
     pygame.display.update()
     FPSCLOCK.tick(3)