diff --git a/snake.py b/snake.py
index 3538d14..6e6fd05 100644
--- a/snake.py
+++ b/snake.py
@@ -55,6 +55,10 @@ 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))
@@ -65,7 +69,7 @@ while True:
         screen.blit(body, position[i])
 
     # 将果实画上去
-    screen.blit(food, (360, 300))
+    screen.blit(food, (apple_x, apple_y))
     # 刷新画面
     pygame.display.update()
     FPSCLOCK.tick(3)
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