如何删除参考书目第一页的页眉？

Question

\documentclass[12pt,a4paper,openany]{book}
\makeatletter
\newenvironment{keeppage}{\let\thispagestyle=\@gobble}{}
\makeatother

像这样包装目录：

\begin{keeppage}
    \bibliography{biblio}
\end{keeppage}