diff --git a/chapters/Acknowledgement.tex b/chapters/Acknowledgement.tex
index 2f39380bc145dcdbaed3032124430b973a1cf375..d21bbbb658d6252d56d876550c2fb9d412a43600 100644
--- a/chapters/Acknowledgement.tex
+++ b/chapters/Acknowledgement.tex
@@ -1,4 +1,5 @@
-\chapter*{鑷磋阿}
-\addcontentsline{toc}{chapter}{鑷磋阿}
+\begin{acknowledgement}
 
 鎰熻阿\href{https://git.nju.edu.cn/nju-lug/lug-introduction}{NJU Linux User Group}銆�
+
+\end{acknowledgement}
diff --git a/chapters/Layout.tex b/chapters/Layout.tex
index e70153ceb7c80e655bd36984fc7fc8b59826be74..e8def4e0ccd417161d915795affda3ca23163ef9 100644
--- a/chapters/Layout.tex
+++ b/chapters/Layout.tex
@@ -118,6 +118,10 @@ secondmentor 鐢ㄤ簬鎸囧畾鏄惁鍦ㄥ皝闈㈡墦鍗扮浜屽甯�
 
 鍦ㄤ娇鐢╘hologo{LuaLaTeX}缂栬瘧鏃讹紝鐮旂┒鐢熶腑鏂囨憳瑕侀〉鐨勬爣棰樹細鍑虹幇绌烘牸鏃犱笅鍒掔嚎鐨勯棶棰橈紝鐩墠姝ｅ湪绉瀬瀵绘眰瑙ｅ喅鏂规硶銆�
 
+\section{鍓嶈█椤祡
+
+浣跨敤preface鐜瀹氫箟
+
 \section{鐩綍椤祡
 
 鐩綍椤垫牸寮忓畾鍒朵簬\texttt{profile/page.sty}
@@ -136,11 +140,7 @@ secondmentor 鐢ㄤ簬鎸囧畾鏄惁鍦ㄥ皝闈㈡墦鍗扮浜屽甯�
 
 \section{鑷磋阿椤祡
 
-鑷磋阿椤甸噰鐢ㄦ棤缂栧彿绔犺妭褰㈠紡锛岄渶瑕佹墜鍔ㄦ彃鍏ョ洰褰�
-\begin{lstlisting}[language=TeX]
-\chapter*{鑷磋阿}
-\addcontentsline{toc}{chapter}{鑷磋阿}
-\end{lstlisting}
+鍚屽墠瑷€锛屼娇鐢╝cknowledgement鐜
 
 \section{闄勫綍椤祡
 
diff --git a/chapters/Preface.tex b/chapters/Preface.tex
new file mode 100644
index 0000000000000000000000000000000000000000..c1ad7d366021d5823f6f4aee074bcdf2236e1276
--- /dev/null
+++ b/chapters/Preface.tex
@@ -0,0 +1,13 @@
+\begin{preface}
+
+鎴戞兂锛屾瘡涓猏hologo{LaTeX}鏋佸鐨勬渶缁堢洰鏍囬兘鏄啓涓€涓睘浜庤嚜宸辩殑class锛岃€岃嚜宸卞緢骞歌繍鍦板湪\href{https://git.nju.edu.cn/nju-lug/lug-introduction}{NJU Linux User Group}鑾峰緱浜嗚繖鏍风殑鏈轰細銆�
+
+杩欎釜妯℃澘涔熺畻閫佺粰鑷繁鐨勬瘯涓氱ぜ鐗╁ソ浜嗐€�
+
+\vspace{1cm}
+\begin{flushright}
+寰愰樋閫歕\
+2021骞村垵绉嬩簬鎵窞
+\end{flushright}
+
+\end{preface}
diff --git a/njuthesis.cls b/njuthesis.cls
index 59822c351a2816c6891d6528a278b4c65be2a9a9..8f8c7b6404a085fff75d0714f9ba001b7236eb3b 100644
--- a/njuthesis.cls
+++ b/njuthesis.cls
@@ -1,5 +1,5 @@
 \NeedsTeXFormat{LaTeX2e}
-\ProvidesExplClass{njuthesis}{2021-09-12}{0.8.1}{NJU Thesis LaTeX Template}
+\ProvidesExplClass{njuthesis}{2021-09-12}{0.8.2}{NJU Thesis LaTeX Template}
 
 % 閫氳繃绫讳紶閫掑弬鏁�
 \RequirePackage{l3keys2e}
diff --git a/njuthesis.tex b/njuthesis.tex
index 7d3a4626b2ac1c9c83731b52e7be8125f85da212..becc87552a9698613cf2ac073f48387b596f6303 100755
--- a/njuthesis.tex
+++ b/njuthesis.tex
@@ -1,7 +1,7 @@
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 % NJU Thesis
 % 鍗椾含澶у姣曚笟璁烘枃LaTeX妯℃澘
-% Version 0.8.1 (2021-09-12)
+% Version 0.8.2 (2021-09-12)
 %
 % 璇峰叧娉ㄩ」鐩湴鍧€浠ヨ幏鍙栨渶鏂板彉鍖�
 % https://github.com/nju-lug/NJUThesis
@@ -82,11 +82,14 @@
 \begin{document}
 
 %-------------------------------------------------
-%	灏侀潰銆佹憳瑕佸拰鐩綍
+%	灏侀潰銆佹憳瑕併€佸墠瑷€鍜岀洰褰�
 %-------------------------------------------------
 
 \maketitle 
+
 \input{chapters/Abstract.tex}
+\input{chapters/Preface.tex}
+
 \tableofcontents
 
 %-------------------------------------------------
diff --git a/profile/page.sty b/profile/page.sty
index 5c480f3025b0dba51ac8dd5cf064d3299e9c06f2..23597392408a0e1e7619e568816311836522482e 100644
--- a/profile/page.sty
+++ b/profile/page.sty
@@ -84,7 +84,8 @@
   }
 
   \chapter*{鐩甛hspace{2em}褰晑%
-  \pdfbookmark[0]{鐩綍}{鐩綍} % 灏嗙洰褰曢〉鎻掑叆pdf涔︾
+  % \pdfbookmark[0]{鐩綍}{鐩綍} % 灏嗙洰褰曢〉鎻掑叆pdf涔︾
+  \addcontentsline{toc}{chapter}{鐩綍}
   % \@mkboth{\MakeUppercase\contentsname}{\MakeUppercase\contentsname}%
   \@starttoc{toc}%
   \if@restonecol\twocolumn\fi
@@ -98,3 +99,15 @@
     }
   }
 }
+
+% 瀹氬埗鍓嶈█銆佽嚧璋㈢幆澧�
+\newenvironment{preface}
+{%
+  \chapter*{鍓嶈█}
+  \addcontentsline{toc}{chapter}{鍓嶈█}
+}{}
+\newenvironment{acknowledgement}
+{%
+  \chapter*{鑷磋阿}
+  \addcontentsline{toc}{chapter}{鑷磋阿}
+}{}