为什么我的代码仅打印 2 个缩写：
%*******************************************************
% Acronyms
%*******************************************************
\automark[section]{chapter}
\renewcommand{\chaptermark}[1]{\markboth{\spacedlowsmallcaps{#1}}{\spacedlowsmallcaps{#1}}}
\renewcommand{\sectionmark}[1]{\markright{\thesection\enspace\spacedlowsmallcaps{#1}}}
\refstepcounter{dummy}
\pdfbookmark[1]{Acronyms}{Acronyms}
\markboth{\spacedlowsmallcaps{Acronyms}}{\spacedlowsmallcaps{Acronyms}}
\chapter*{Acronyms}
%\section{List of Acronyms}
% Insert your acronyms here
\begin{acronym}[API]
\acro{DRY}{Don't Repeat Yourself}
\acro{AET}{Atomic Event Trees}
\acro{API}{Application Programming Interface}
\acro{UML}{Unified Modeling Language}
\end{acronym}
\cleardoublepage