Readjust the top and bottom guidelines so that they are once again snap to the top and bottom of the background image.

重新调整顶部和底部的参考线，直到它们再一次吸附到背景图片的顶端和底端。

youdao

Readjust the top and bottom guidelines so that they are once again snap to the top and bottom of the background image.

重新调整顶部和底部的参考线，直到它们再一次吸附到背景图片的顶端和底端。

youdao