diff --git a/my_Tetris.py b/my_Tetris.py
index 8711234..90c8e5e 100644
--- a/my_Tetris.py
+++ b/my_Tetris.py
@@ -61,7 +61,6 @@ while True:
             elif event.key == locals.K_DOWN:    # 向下
                 if center[0] < 25:
                     center[0] += 1
-
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 计算出所有小方块的行、列位置
@@ -80,4 +79,4 @@ while True:
     screen.blit(text_surface, (350,70))
     # 刷新画面
     pygame.display.update()
-    clock.tick(FPS)
+    clock.tick(FPS)
\ No newline at end of file