save project

my_Tetris.py

@@ -22,8 +22,10 @@ while True:
             exit()
 
     # 将背景图画上去
-    pygame.Surface.blit(background)
+    screen.blit(background,(0,0))
     # 得分
+    score_text = font.render(str(score),True,(0, 0, 0))
+    screen.blit(score_text,(350,70))
     # 刷新画面
     pygame.display.update()
     clock.tick(FPS)