diff --git a/src/lshort-zh-cn.tex b/src/lshort-zh-cn.tex
index b2acba0..127de6d 100644
--- a/src/lshort-zh-cn.tex
+++ b/src/lshort-zh-cn.tex
@@ -2,8 +2,8 @@
 \usepackage{lshort-zh-cn-style}
 
 \def\lshortversionoriginal{6.4}
-\def\lshortdateoriginal{March 9, 2021}
-\def\lshortversioncn{6.03}
+\def\lshortdateoriginal{May 5, 2023}
+\def\lshortversioncn{6.04}
 
 \hypersetup{
   pdftitle={The Short Introduction to LaTeX2e (Chinese Simplified)},