diff --git a/snake.py b/snake.py
index 537316e..0153f32 100644
--- a/snake.py
+++ b/snake.py
@@ -19,10 +19,11 @@ down = pygame.image.load('down.png')        # 头 朝下
 
 x, y = 240, 120
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
+apple_x = 360
+apple_y = 300
 
 setheading = "right"
 snake_head = right
-
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -52,6 +53,9 @@ while True:
     else:
         y += 30
     position.append((x, y))
+    if x == apple_x and y == apple_y:
+        apple_x = random.randint(0,660)
+        apple_y = random.randint(0,480)
     position.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))
@@ -65,4 +69,5 @@ while True:
     screen.blit(food, (360, 300))
     # 刷新画面
     pygame.display.update()
+    
     FPSCLOCK.tick(3)
\ No newline at end of file