diff --git a/elegantbook-cn.tex b/elegantbook-cn.tex
index f0c64ca..69fc65f 100644
--- a/elegantbook-cn.tex
+++ b/elegantbook-cn.tex
@@ -1,4 +1,4 @@
-\documentclass[lang=cn,10pt,newtx]{elegantbook}
+\documentclass[lang=cn,10pt,newtx,scheme=chinese]{elegantbook}
 
 \title{ElegantBook：优美的 \LaTeX{} 书籍模板}
 \subtitle{Elegant\LaTeX{} 经典之作}
diff --git a/elegantbook.cls b/elegantbook.cls
index e32625f..724ff47 100644
--- a/elegantbook.cls
+++ b/elegantbook.cls
@@ -1439,7 +1439,10 @@
 \ifdefstring{\ELEGANT@lang}{cn}{
   % \renewcommand{\cftchappresnum}{\beforechap\space}
   % \renewcommand{\cftchapaftersnum}{\space\afterchap}
-  \setlength{\cftchapnumwidth}{\widthof{\textbf{附录~999}}}
+  % \setlength{\cftchapnumwidth}{\widthof{\textbf{附录~十一}}}
+  \renewcommand{\numberline}[1]{%
+  \@cftbsnum #1\@cftasnum~\@cftasnumb ~%
+  }
   \g@addto@macro\appendix{%
     % recover \thechapter in the \NR@chapter's \numberline
     \ifELEGANT@Hy@later