diff --git a/snake.py b/snake.py
index 19c233a..1c60cd3 100644
--- a/snake.py
+++ b/snake.py
@@ -12,7 +12,7 @@ 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
-food = pygame.image.load('apple.png')
+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
@@ -21,7 +21,6 @@ my_font=pygame.font.Font('neuropol.ttf',18)
 x, y = 240, 120
 food_x=360
 food_y=300
-
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
 
 setheading = "right"
@@ -63,8 +62,7 @@ while True:
         food_y=30*mun2-30
         score=score+1
     else:
-        position.pop(0) 
-      
+        position.pop(0)    
     
     # 将背景图画上去
     screen.blit(background, (0, 0))
@@ -81,5 +79,4 @@ while True:
     text=my_font.render(info,True,(0,0,0))
     screen.blit(text,(540,10))
     pygame.display.update()
-    FPSCLOCK.tick(5)  
-    
\ No newline at end of file
+    FPSCLOCK.tick(5)
\ No newline at end of file