diff --git a/elegantbook-cn.tex b/elegantbook-cn.tex
index a97666d..fc26125 100644
--- a/elegantbook-cn.tex
+++ b/elegantbook-cn.tex
@@ -1,4 +1,4 @@
-\documentclass[cn,11pt]{elegantbook}
+\documentclass[cn,11pt, simple]{elegantbook}
 
 \title{ElegantBook：优美的 \LaTeX{} 书籍模板}
 \subtitle{Elegant\LaTeX{} 经典之作}
@@ -14,6 +14,9 @@
 \logo{logo.png}
 \cover{cover.jpg}
 
+
+
+
 \begin{document}
 
 \maketitle
diff --git a/elegantbook-en.tex b/elegantbook-en.tex
index ebac7f7..aecec0a 100644
--- a/elegantbook-en.tex
+++ b/elegantbook-en.tex
@@ -1,4 +1,4 @@
-\documentclass[fancy,11pt,twocol,mtpro2]{elegantbook}
+\documentclass[fancy,11pt]{elegantbook}
 
 \title{An Elegant \LaTeX{} Template for Books}
 \subtitle{Classic Elegant\LaTeX{} Template}
diff --git a/elegantbook.cls b/elegantbook.cls
index dfff534..ca28ed0 100644
--- a/elegantbook.cls
+++ b/elegantbook.cls
@@ -280,7 +280,6 @@
   \newcommand\figref[1]{\textbf{Figure}~\ref{#1}}
   \newcommand\tabref[1]{\textbf{Table}~\ref{#1}}
   \renewcommand{\chaptername}{Chapter \thechapter}
-  \renewcommand{\chaptername}{Appendix \thechapter}
   \bibliographystyle{aer}
 }{\relax}