diff --git a/my_Tetris.py b/my_Tetris.py
index 28c7b2b..86082a8 100644
--- a/my_Tetris.py
+++ b/my_Tetris.py
@@ -27,5 +27,7 @@ while True:
     text = font.render("score:"+str(score),True,(0,0,0))
     screen.blit(text,(325,70))
     # 刷新画面
+    pygame.draw.rect(screen,(255,0,0),(100,100,20,20),0)
+    pygame.draw.rect(screen,(255,255,255),(100,100,20,20),1)
     pygame.display.update()
     clock.tick(FPS)