diff --git a/doc/readme/chap/pkuthss-copyright.tex b/doc/readme/chap/pkuthss-copyright.tex
index 0ede20a..0161b5b 100644
--- a/doc/readme/chap/pkuthss-copyright.tex
+++ b/doc/readme/chap/pkuthss-copyright.tex
@@ -33,7 +33,7 @@
 
 版权所有 \copyright\ 2008--2009 solvethis
 \par
-版权所有 \copyright\ 2010--2015 Casper Ti. Vector
+版权所有 \copyright\ 2010--2016 Casper Ti. Vector
 \vskip 1em
 
 pkuthss 文档类及其说明文档均以 \hologo{LaTeX} Project Public License 发布。