diff --git a/README.md b/README.md
index 2413a4c..e0695d0 100644
--- a/README.md
+++ b/README.md
@@ -53,8 +53,21 @@ ElegantBook 是为 LaTeX 书籍写作而设计的模板，由 [Dongsheng Deng](h
 | 郭德良 | 88 RMB | 2019/11/03 | 微信 |
 | 自强不息 | 20 RMB | 2019/11/04 | 支付宝 |
 | 读书之虫 | 20 RMB | 2019/11/18 | 微信 |
-| *等 |  10 RMB | 2019/11/18 | 微信 |
-| *哲 |  20 RMB | 2019/11/18 | 微信 |
+| *等    |  10 RMB | 2019/11/18 | 微信 |
+| *哲   |  20 RMB | 2019/11/18 | 微信 |
+| 佚名  | 10 RMB | 2019/11/24 | 微信 |
+| Jiye Qian | 66 RMB | 2019/12/04 | 微信 |
+| * 阳 | 20 RMB | 2019/12/05 | 微信 |
+| Catcher | 11 RMB | 2019/12/08 | 支付宝 |
+| 希尔波特门徒 | 10 RMB | 2019/12/09 | 支付宝 |
+| * 伟 | 10 RMB | 2019/12/09 | 微信 |
+| Simon | 20 RMB | 2019/12/11 | 支付宝 |
+| 流殇丶浅忆 | 66.60 RMB | 2019/12/18 | 支付宝 |
+| 羽 | 10 RMB | 2019/12/20 | 支付宝 |
+| * 琛 | 15 RMB | 2019/12/20 | 微信 |
+| 随风 | 20 RMB | 2019/12/27 | 支付宝 |
+| Ws  | 23.30 RMB | 2019/12/28 | 微信 |
+
 
 再次感谢大家对于模板的喜爱！
 
diff --git a/elegantbook-cn.tex b/elegantbook-cn.tex
index fc26125..c7b9050 100644
--- a/elegantbook-cn.tex
+++ b/elegantbook-cn.tex
@@ -11,12 +11,10 @@
 
 \extrainfo{Victory won\rq t come to us unless we go to it. --- M. Moore}
 
-\logo{logo.png}
+\logo{logo-blue.png}
 \cover{cover.jpg}
 
 
-
-
 \begin{document}
 
 \maketitle
@@ -169,6 +167,7 @@ Elegant\LaTeX{} 系列模板从创立至今已经有 8 年了，我们的模板
 \documentclass[lang=cn]{elegantbook}
 \end{lstlisting}
 
+
 \begin{remark}
 只有中文环境（\lstinline{lang=cn}）才可以输入中文。另外如果抄录环境（\lstinline{lstlisting}）中有中文字符，请务必使用 \hologo{XeLaTeX} 编译。
 \end{remark}
@@ -673,7 +672,7 @@ Lebesgue 积分有几种不同的定义方式。我们将采用逐步定义非
 \end{custom}
 
 \begin{solution}
-在 Mac 系统下，中文编译请使用 \lstinline{XeLaTeX}。
+在 Mac 系统下，中文编译请使用 \hologo{XeLaTeX}。
 \end{solution}
 
 \begin{custom}{问题}
diff --git a/elegantbook-en.tex b/elegantbook-en.tex
index aecec0a..6d53c2c 100644
--- a/elegantbook-en.tex
+++ b/elegantbook-en.tex
@@ -10,7 +10,7 @@
 
 \extrainfo{Victory won\rq t come to us unless we go to it. }
 
-\logo{logo.png}
+\logo{logo-blue.png}
 \cover{cover.jpg}
 
 \begin{document}
diff --git a/elegantbook.cls b/elegantbook.cls
index a90dc54..78882c1 100644
--- a/elegantbook.cls
+++ b/elegantbook.cls
@@ -76,6 +76,33 @@
 % \ProcessOptions*\relax
 \LoadClass[a4paper,oneside]{book}
 
+%% device settings
+\RequirePackage{geometry}
+\ifdefstring{\ELEGANT@device}{normal}{
+\geometry{
+  a4paper,
+  top=25.4mm, bottom=25.4mm,
+  headheight=2.17cm,
+  headsep=4mm,
+  footskip=12mm
+}
+
+\ifdefstring{\ELEGANT@marginpar}{margintrue}{
+\geometry{
+  marginparwidth=5cm, marginparsep=5mm,
+  left=2cm,right=7cm,
+}
+}{\relax}
+}{\relax}
+
+\ifdefstring{\ELEGANT@device}{pad}{
+\geometry{
+  paperwidth=7.5in, 
+  paperheight=10in,
+  margin=16mm,
+  headheight=2.17cm,
+  footskip=4mm
+}}{\relax}
 
 \RequirePackage{indentfirst,comment}
 % fontsetting
@@ -155,30 +182,30 @@
 }{\relax}
 
 %green color
-  \definecolor{structure1}{RGB}{0,120,2}%
-  \definecolor{main1}{RGB}{0,120,2}%
-  \definecolor{second1}{RGB}{230,90,7}%
-  \definecolor{third1}{RGB}{0,160,152}%
+\definecolor{structure1}{RGB}{0,120,2}%
+\definecolor{main1}{RGB}{0,120,2}%
+\definecolor{second1}{RGB}{230,90,7}%
+\definecolor{third1}{RGB}{0,160,152}%
 %cyan color
-  \definecolor{structure2}{RGB}{31,186,190}%
-  \definecolor{main2}{RGB}{59,180,5}%
-  \definecolor{second2}{RGB}{175,153,8}%
-  \definecolor{third2}{RGB}{244,105,102}%
+\definecolor{structure2}{RGB}{31,186,190}%
+\definecolor{main2}{RGB}{59,180,5}%
+\definecolor{second2}{RGB}{175,153,8}%
+\definecolor{third2}{RGB}{244,105,102}%
 %blue color
-  \definecolor{structure3}{RGB}{60,113,183}
-  \definecolor{main3}{RGB}{0,166,82}%
-  \definecolor{second3}{RGB}{255,134,24}%
-  \definecolor{third3}{RGB}{0,174,247}%
+\definecolor{structure3}{RGB}{60,113,183}
+\definecolor{main3}{RGB}{0,166,82}%
+\definecolor{second3}{RGB}{255,134,24}%
+\definecolor{third3}{RGB}{0,174,247}%
 % gray color
-  \definecolor{structure4}{RGB}{150,150,150}
-  \definecolor{main4}{RGB}{150,150,150}%
-  \definecolor{second4}{RGB}{150,150,150}%
-  \definecolor{third4}{RGB}{150,150,150}%
+\definecolor{structure4}{RGB}{150,150,150}
+\definecolor{main4}{RGB}{150,150,150}%
+\definecolor{second4}{RGB}{150,150,150}%
+\definecolor{third4}{RGB}{150,150,150}%
 % black color
-  \definecolor{structure5}{RGB}{0,0,0}
-  \definecolor{main5}{RGB}{0,0,0}%
-  \definecolor{second5}{RGB}{0,0,0}%
-  \definecolor{third5}{RGB}{0,0,0}%
+\definecolor{structure5}{RGB}{0,0,0}
+\definecolor{main5}{RGB}{0,0,0}%
+\definecolor{second5}{RGB}{0,0,0}%
+\definecolor{third5}{RGB}{0,0,0}%
 
 % corlor definition
 \definecolor{winered}{rgb}{0.5,0,0}
@@ -306,35 +333,6 @@
 \setlist[itemize,3]{label={\eitemiii}}
 
 
-%% device settings
-
-\RequirePackage{geometry}
-\ifdefstring{\ELEGANT@device}{normal}{
-\geometry{
-  a4paper,
-  top=25.4mm, bottom=25.4mm,
-  headheight=2.17cm,
-  headsep=4mm,
-  footskip=12mm
-}
-
-\ifdefstring{\ELEGANT@marginpar}{margintrue}{
-\geometry{
-  marginparwidth=5cm, marginparsep=5mm,
-  left=2cm,right=7cm,
-}
-}{\relax}
-}{\relax}
-
-\ifdefstring{\ELEGANT@device}{pad}{
-\geometry{
-  paperwidth=7.5in, 
-  paperheight=10in,
-  margin=16mm,
-  headheight=2.17cm,
-  footskip=4mm
-}}{\relax}
-
 \RequirePackage{hyperref}
 \hypersetup{
   breaklinks,
@@ -441,6 +439,10 @@
   \ifdefstring{\ELEGANT@lang}{en}{Theorem}{定理}
 }{thmstyle}{thm}
 
+% \newtcbtheorem[auto counter,use counter from=theorem]{axiom}{
+%   \ifdefstring{\ELEGANT@lang}{en}{Axiom}{公理}
+% }{thmstyle}{axi}
+
 \newtcbtheorem[auto counter,number within=chapter]{proposition}{
   \ifdefstring{\ELEGANT@lang}{en}{Proposition}{命题}
 }{propstyle}{pro}
diff --git a/figure/logo-blue.png b/figure/logo-blue.png
new file mode 100644
index 0000000..5b6db83
Binary files /dev/null and b/figure/logo-blue.png differ