大侠们帮忙看看database check 出错！

ERROR IN PAD STACK name = VIA
  pad size does not match the extents of the pad shape, Use refresh_padstack to update padstack.
  Error cannot be fixed.

ERROR IN PAD STACK name = VIA
  pad size does not match the extents of the pad shape, Use refresh_padstack to update padstack.
  Error cannot be fixed.
  Layer TOP

ERROR IN PAD STACK name = VIA
  pad size does not match the extents of the pad shape, Use refresh_padstack to update padstack.
  Error cannot be fixed.
  Layer BOTTOM

ERROR IN PAD STACK name = PAD156
  pad size does not match the extents of the pad shape, Use refresh_padstack to update padstack.
  Error cannot be fixed.

ERROR IN PAD STACK name = PAD156
  pad size does not match the extents of the pad shape, Use refresh_padstack to update padstack.
  Error cannot be fixed.
  Layer TOP

ERROR IN PAD STACK name = PAD156
  pad size does not match the extents of the pad shape, Use refresh_padstack to update padstack.
  Error cannot be fixed.
  Layer BOTTOM

Regenerating DRC
  0 original DRC errors replaced by
  0 current DRC errors.

0 warnings, 6 errors detected, 0 errors  fixed.
这些过孔与焊盘我干脆就没有用到，但是还删不下去，愁死了。在setup>constraints>physical rule set>set value>available database padstacks 下无法删除，点一下pad就跑到current via list里，再点一下又回来了，鼠标按下再起来，pad就跑到另一个窗口，没有机会按下面的“删除”按钮。

呵呵

tools -> padstack ->modify design padstack -> purge

没有用到的都没啦

多谢tf_summer，问题解决了！