如何让中间的介绍变得更大?像这样
\documentclass[12pt,a4paper]{report}
\usepackage[english,french]{babel}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage[Lenny]{fncychap}
\usepackage{fancyhdr, blindtext}
\newcommand{\changefont}{%
\fontsize{12}{12}\selectfont
}
\usepackage{minitoc}
\begin{document}
\tableofcontents
\chapter*{Introduction Générale}
\addstarredchapter{Introduction Générale}
\chapter{title number one }
\chapter*{Bibliographie}
\addstarredchapter{Bibliographie}
\end{document}