save project

snake.py

@@ -67,8 +67,8 @@ while True:
     # 将果实画上去
     screen.blit(food, (apple_x, apple_y))
     if apple_x == x and apple_y == y:
-        apple_x = random.randint(0,22) * 30
-        apple_y = random.randint(0,16) * 30
+        apple_x = random.randint(0,21) * 30
+        apple_y = random.randint(0,15) * 30
     # 刷新画面
     pygame.display.update()
     FPSCLOCK.tick(3)
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