diff --git a/elegantbook-cn.pdf b/elegantbook-cn.pdf
index 26fb5ef..78980a5 100644
Binary files a/elegantbook-cn.pdf and b/elegantbook-cn.pdf differ
diff --git a/elegantbook-cn.tex b/elegantbook-cn.tex
index 6574b83..3b4e641 100644
--- a/elegantbook-cn.tex
+++ b/elegantbook-cn.tex
@@ -12,7 +12,7 @@
 %\definecolor{second}{RGB}{204,102,0}
 %\definecolor{third}{RGB}{0,127,127}
 
-\version{3.06}
+\version{3.07}
 \equote{Victory won\rq t come to us unless we go to it. --- M. Moore}
 \logo{logo.png}
 \cover{cover.jpg}
@@ -412,10 +412,6 @@ The content of chapter one.
 
 \bibliography{reference}
 
-\appendix
-\chapter{Appendix Chapter Title}
-The content of appendix 1.
-
 \end{document}
 \end{lstlisting}
 
diff --git a/elegantbook-en.pdf b/elegantbook-en.pdf
index a6dfc6f..6a25abf 100644
Binary files a/elegantbook-en.pdf and b/elegantbook-en.pdf differ
diff --git a/elegantbook-en.tex b/elegantbook-en.tex
index e18e969..08d62d3 100644
--- a/elegantbook-en.tex
+++ b/elegantbook-en.tex
@@ -7,8 +7,9 @@
 \institute{Elegant\LaTeX{} Program}
 \date{\today}
 
-\version{3.06}
+\version{3.07}
 \equote{Victory won\rq t come to us unless we go to it. --- M. Moore}
+
 \logo{logo.png}
 \cover{cover.jpg}
 
@@ -413,11 +414,6 @@ This appendix covers some of the basic mathematics used in econometrics. We brie
 The content of chapter one.
 
 \bibliography{reference}
-
-\appendix
-\chapter{Appendix Chapter Title}
-The content of appendix 1.
-
 \end{document}
 \end{lstlisting}
 
diff --git a/elegantbook.cls b/elegantbook.cls
index e6f2076..86a0328 100644
--- a/elegantbook.cls
+++ b/elegantbook.cls
@@ -5,7 +5,7 @@
 %% This work may be distributed and/or modified freely
 %% available at https://github.com/ElegantLaTeX/ElegantBook
 % %
-%% Last Modification 2019-04-03
+%% Last Modification 2019-04-12
 %%%%%%%%%%%%%%%%%%%%%
 % % !Mode:: "TeX:UTF-8"
 \NeedsTeXFormat{LaTeX2e}
@@ -53,7 +53,7 @@
 % fontsetting
 
 \PassOptionsToPackage{no-math}{fontspec}
-\RequirePackage[UTF8, scheme=plain]{ctex}
+\RequirePackage[UTF8, scheme=plain,punct=kaiming]{ctex}
 
 \RequirePackage{ifxetex}