diff --git a/njuthesis.dtx b/njuthesis.dtx
index 83d13c88f3f6274f98660b7f2de0c284fcec88fe..008b7173f746dfea6ba6cf46c1bf6a5fc80afe87 100644
--- a/njuthesis.dtx
+++ b/njuthesis.dtx
@@ -210,7 +210,7 @@ through XeTeX.
 %
 %<class>\NeedsTeXFormat{LaTeX2e}
 %<class>\RequirePackage{expl3}
-%<!(readme-zh|readme-en)> \GetIdInfo  $Id: njuthesis.dtx 0.9.1 2021-09-16 12:00:00 +0800  NJU LUG <nju.lug@yaoge123.cn> $
+%<!(readme-zh|readme-en)> \GetIdInfo  $Id: njuthesis.dtx 0.9.2 2021-09-17 22:00:00 +0800  NJU LUG <nju.lug@yaoge123.cn> $
 %<class>  {Thesis template for Nanjing University}
 %<class>\ProvidesExplClass{\ExplFileName}{\ExplFileDate}{\ExplFileVersion}{\ExplFileDescription}
 %
@@ -234,7 +234,7 @@ through XeTeX.
 % Nanjing University Linux User Group
 % \thanks{E-mail: \href{mailto:nju.lug@yaoge123.cn}{nju.lug@yaoge123.cn}}}
 %
-% \date{v0.9.1 \\ Released 2021-09-16}
+% \date{v0.9.2 \\ Released 2021-09-17}
 %
 % \maketitle
 %
@@ -242,6 +242,11 @@ through XeTeX.
 % 鍗椾含澶у瀛︿綅璁烘枃\hologo{LaTeX}妯℃澘鍩轰簬鏈鐢熼櫌鐨勮鏂囨挵鍐欒鑼冨埗浣滐紝鍚屾椂鍙傝€冪爺绌剁敓闄㈡彁渚涚殑纭曞＋銆佸崥澹浣嶆潗鏂欏寘锛岀敤浜庣敓鎴愮鍚堝崡浜ぇ瀛﹀浣嶈鏂囨帓鐗堣姹傚拰鐩稿簲鐨勫浗瀹惰鑼冦€佽涓氭爣鍑嗙殑瀛︿綅璁烘枃锛屾棬鍦ㄤ负鍚屽鎻愪緵姣曚笟璁烘枃涔﹀啓鐨勬柟渚裤€�
 % \end{abstract}
 %
+% \def\abstractname{Abstract}
+% \begin{abstract}
+% The \textsc{NJuThesis} class is intended for typesetting Nanjing University thesis with LaTeX, providing support for bachelor, master, and doctoral thesis. 
+% \end{abstract}
+%
 % \def\abstractname{鐗瑰埆澹版槑}
 % \begin{abstract}
 % 璇锋敞鎰忥紝鏈ā鏉夸粛鏈畬鎴愬紑鍙戯紝鍑虹幇bug鎴栬€呮枃妗ｄ笉瀹屽杽灞炰簬姝ｅ父鎯呭喌锛屾彁issue鎴朠ull Request鍗冲彲銆�