如何去除黑斧?
\documentclass[pstricks,border=1cm,dvipsnames]{standalone}
\usepackage{pst-plot}
\newpsstyle{mygrid}
{
labels=none,
subticks=5,
tickcolor=Red,
subtickcolor=ForestGreen,
xticksize=-3 3,
yticksize=-2 2,
subticksize=1,
}
\begin{document}
\begin{pspicture}(-2,-3)(2,3)
\psaxes[style=mygrid](0,0)(-2,-3)(2,3)
\end{pspicture}
\end{document}