save project

my_Tetris.py

@@ -25,7 +25,7 @@ while True:
     screen.blit(background,(0,0))
     # 得分
     score_show=font.render(str(score),True,(0,0,0))
-    pygame.Surface.blit(score_show,(350,70))
+    screen.Surface.blit(score_show,(350,70))
     # 刷新画面
     pygame.display.update()
     clock.tick(FPS)