diff --git a/sustechthesis.dtx b/sustechthesis.dtx
index 8bb1f68..929110d 100644
--- a/sustechthesis.dtx
+++ b/sustechthesis.dtx
@@ -17,7 +17,7 @@
 %
 % \iffalse
 %<*driver>
-\ProvidesFile{sustechthesis.dtx}[2023/05/06 1.3.20 Southern University of Science and Technology Thesis Template]
+\ProvidesFile{sustechthesis.dtx}[2023/05/06 1.3.19 Southern University of Science and Technology Thesis Template]
 \documentclass{ltxdoc}
 \usepackage{dtx-style}
 \EnableCrossrefs
@@ -906,7 +906,7 @@
 %    \begin{macrocode}
 %<cls>\NeedsTeXFormat{LaTeX2e}[2017/04/15]
 %<cls>\ProvidesClass{sustechthesis}
-%<cls>[2023/05/06 1.3.20 Southern University of Science and Technology Thesis Template]
+%<cls>[2023/05/06 1.3.19 Southern University of Science and Technology Thesis Template]
 %    \end{macrocode}
 %
 % 报错
@@ -957,7 +957,7 @@
 \hyphenation{Thu-Thesis SUSTech-Thesis}
 \def\thuthesis{ThuThesis}
 \def\sustechthesis{SUSTechThesis}
-\def\version{1.3.20}
+\def\version{1.3.19}
 \RequirePackage{kvdefinekeys}
 \RequirePackage{kvsetkeys}
 \RequirePackage{kvoptions}