\documentclass[doctor,proposal,color]{buaascseproposal}
\begin{document}
\input{content/info}
\input{content/title_page}
\input{content/toc}
\input{content/abstract}
\input{content/sec_1}
\input{content/sec_2}
\input{content/reference}
\input{content/appendix}
\end{document}
