``` \documentclass[UTF8]{ctexbook} \usepackage{tocloft} \let\origcftsecpagefont\cftsecpagefont \let\origcftsecafterpnum\cftsecafterpnum \let\origcftchappagefont\cftchappagefont \let\origcftchapafterpnum\cftchapafterpnum \renewcommand{\cftsecpagefont}{(\origcftsecpagefont} \renewcommand{\cftsecafterpnum}{\origcftsecafterpnum)} \renewcommand{\cftchappagefont}{(\origcftchappagefont} \renewcommand{\cftchapafterpnum}{\origcftchapafterpnum)} \begin{document} \tableofcontents \section{第一章} \end{document} ``` 自己回答，参考[https://tex.stackexchange.com/questions/305149/how-to-add-text-before-page-number-using-tocloft](https://tex.stackexchange.com/questions/305149/how-to-add-text-before-page-number-using-tocloft) 感谢官方群大佬指路。