diff --git a/book/config.tex b/book/config.tex
index 5d35811..41958dc 100644
--- a/book/config.tex
+++ b/book/config.tex
@@ -1,30 +1,47 @@
 %# -*- coding: utf-8-unix -*-
 
-\usepackage{hyperref}
+%============================================================
+% 基本库
 \usepackage{longtable}
-\usepackage{url}
-\usepackage{array}
 \usepackage{multirow}
+\usepackage{array}
+\usepackage{caption}
 \usepackage{lscape}
-
+\usepackage{fancyhdr}
+\usepackage{amsmath,mathtools,amsthm,amsfonts,amssymb,bm}
+\usepackage[colorlinks, urlcolor=blue, linkcolor=purple, citecolor=red]{hyperref}
+\usepackage[centering,a4paper,body={16cm,22cm}]{geometry}
+%============================================================
+% 配制列表环境
+\usepackage{enumitem}
+\setlist{nosep}  % 紧凑间距
+\setlist*{leftmargin=*}  % 列表和段落头对齐
+\setlist[1]{labelindent=\parindent} % Only the level 1
+%============================================================
+% 每节单独起一页
+\usepackage{titlesec}
+\newcommand{\sectionbreak}{\clearpage}
+%============================================================
+% 绘图支持
 \usepackage{tikz}
-\usetikzlibrary{shapes.geometric, arrows}
-\usetikzlibrary{shapes,decorations}
-\usetikzlibrary{intersections,decorations.text}
-\definecolor{c1}{RGB}{116, 52, 129}
+% \usetikzlibrary{shapes.geometric, arrows}
+% \usetikzlibrary{shapes,decorations}
+% \usetikzlibrary{intersections,decorations.text}
+\definecolor{c1}{RGB}{116, 52, 129} %清华紫
 \definecolor{c2}{RGB}{130, 80, 140}
-
-\tcbuselibrary{minted} 
+\definecolor{c3}{RGB}{230, 180, 240}
+%============================================================
+% 定制代码框
+\usepackage[breakable,minted]{tcolorbox}
 \newtcblisting{code}[1][]{
   center,
   width=0.95\linewidth,
   listing only,
   breakable=true,
   minted language=#1,
-  % frame empty,
   extras={frame empty},
-  % minted style=colorful,
   fontupper=\small,
+  % minted style=colorful,
   minted options={ %自动移除前置空白、制表为4字符、mathhe和||内的不处理
     breaksymbol=,
     autogobble,
@@ -34,10 +51,120 @@
     mathescape
   }
  }
+%============================================================
+% 设置 PDF 文件信息
+\hypersetup{
+  pdfauthor = {计算机网络教案社区},
+  pdftitle = {实验指导书},
+  pdfkeywords = {计算机网络}}
 
-\newcommand{\cndash}{\rule{0.0em}{0pt}\rule[0.35em]{1.4em}{0.05em}\rule{0.2em}{0pt}}
-\newcommand{\ch}{\titleformat{\chapter}[display]{\centering}{}{-3mm}{\Huge\bfseries}
-  \titlespacing{\chapter}{0pt}{0pt}{2\baselineskip}}%用来将需要的章节标题居中
-
- \newenvironment{pre}{
-  \ch\chapter{前~~~~言}{}}{}
+%============================================================
+% 文档风格
+\ctexset{today=small}
+\ctexset{contentsname=目~~~~录}
+\setcounter{secnumdepth}{4}  % 章节编号深度 (part 对应 -1)
+\setcounter{tocdepth}{1}     % 目录深度 (part 对应 -1)
+%============================================================
+% 居中章节标题
+\newenvironment{pre}{
+  \titleformat{\chapter}[display]{\centering}{}{-3mm}{\Huge\heiti}
+  \titlespacing{\chapter}{0pt}{0pt}{2\baselineskip}
+  \chapter{前~~~~言}{}
+}{}
+%============================================================
+% chapter级样式设置
+\ctexset{chapter/name = {第,单元}}
+\titleformat{\chapter}[display]{\flushleft}{
+  \begin{tikzpicture}
+  \node[anchor=south west] (chap) at (0,1.3){
+    \Large\heiti {\chaptername}};
+  \path[left color=c1,right color=c3]
+    (0,-0.3)rectangle(\textwidth,-0.5);
+  \end{tikzpicture}
+}{-30mm}{\Huge\heiti}
+\titlespacing{\chapter}{0pt}{0pt}{2\baselineskip}
+%============================================================
+% section级样式设置
+\ctexset{section/break = \Needspace{\textheight}}
+\ctexset{section={
+  name={实验},
+  format={\Large\heiti\centering},
+  afterskip={1.0ex \@plus .2ex},
+  }
+}
+%============================================================
+% subection级样式设置
+\ctexset{subsection={
+  format={\bfseries\heiti\normalsize},
+  indent={0\ccwd},
+  afterskip={1.0ex \@plus .2ex},
+  number={\chinese{subsection}~.}
+  }
+}
+%============================================================
+% subsubection级样式设置
+\ctexset{subsubsection={
+  format={\bfseries\bfseries\normalsize},
+  indent={0\ccwd},
+  afterskip={1.0ex \@plus .2ex},
+  number={\arabic{subsection}.\arabic{subsubsection}}
+  }
+}
+%============================================================
+% paragraph级样式设置
+\ctexset{paragraph={
+  format={\normalfont\normalsize},
+  indent={0\ccwd},
+  number={\arabic{subsection}.\arabic{subsubsection}.\arabic{paragraph}}
+  }
+}
+%============================================================
+% 设置页眉与页脚样式
+\def\markboxwidth{0.75\textwidth}
+\pagestyle{fancy}
+\fancyhf{}
+\renewcommand{\chaptername}{第\zhnumber{\thechapter}单元}
+\renewcommand{\chaptermark}[1]{\markboth{\chaptername\  #1}{}}
+% 在奇数页的右上角显示页码，偶数页的左上角显示页码
+\fancyhead[LE,RO]{\sffamily\normalsize\thepage}
+\fancyhead[LO]{\nouppercase{\small\kaishu\rightmark}} % 在奇数页的左侧显示小节名
+\fancyhead[RE]{\nouppercase{\small\kaishu\leftmark}}  % 在偶数页的右侧显示章名
+\renewcommand{\headrulewidth}{0.5pt}
+\addtolength{\headheight}{2.5pt}
+\renewcommand{\footrulewidth}{0pt}
+\fancypagestyle{plain}{\fancyhead{}\renewcommand{\headrulewidth}{0pt}}
+%============================================================
+% 设置图片的标题样式
+\DeclareCaptionFont{heiti}{\heiti}
+\captionsetup{format=plain,labelformat=simple,
+              labelsep=space,justification=centering,
+              font={small,heiti}}
+\captionsetup[sub]{font=footnotesize}
+%======================================================================
+% 设置图、表的号
+\numberwithin{figure}{section}
+\numberwithin{table}{section}
+\renewcommand{\thefigure}{\arabic{chapter}.\arabic{section}--\arabic{figure}}
+\renewcommand{\thetable}{\arabic{chapter}.\arabic{section}--\arabic{table}}
+%======================================================================
+% 设置目录格式
+\makeatletter
+\renewcommand\tableofcontents{%
+  \cleardoublepage
+  \pdfbookmark[0]{\contentsname}{toc}
+  \chapter*{\centerline{\Huge\heiti\contentsname}}
+  \@mkboth{\MakeUppercase\contentsname}{\MakeUppercase\contentsname}%
+  \@starttoc{toc}%
+}
+\addtocontents{toc}{\let\string\CTEX@spaceChar\relax}
+\makeatother
+%======================================================================
+% 行距缩放
+\renewcommand{\baselinestretch}{1.5}%======================================================================
+% 调整附录格式
+\newcommand{\appendixes}{
+  \appendix
+  \renewcommand{\thefigure}{\Alph{chapter}--\arabic{figure}}
+  \renewcommand{\thetable}{\Alph{chapter}--\arabic{table}}
+  \renewcommand{\chaptername}{附录\Alph{chapter}}
+}
\ No newline at end of file
diff --git a/book/instructions.tex b/book/instructions.tex
index fb39660..fbfc439 100644
--- a/book/instructions.tex
+++ b/book/instructions.tex
@@ -1,51 +1,33 @@
 %# -*- coding: utf-8-unix -*-
 
-\documentclass[cn]{elegantbook}
+\documentclass[zihao=-4]{ctexbook}
 
 \input{config}
 
 \begin{document}
-\pagestyle{empty}
-\input{../data/cover}  % 载入封面
-
-%=========================================================================
-% 版本声明
-\clearpage
-\begin{center}
-  \Large{Version 1.0$\alpha$} \\ \vspace{2em}
-  \Large{发布日期: {\number\year 年 \number\month 月 \number\day 日}}
- % \\ \vspace{1em}
-\end{center} 
-
-% \vfill
-% \vspace{30em}
-% \begin{tabular*}{\textwidth}{ccc}
-%   \includegraphics{figure/by-nc.eps}
-%   & \begin{minipage}[b]{0.6\textwidth}
-%     \small\sffamily
-%     本作品采用知识共享 署名-非商业性使用 4.0 国际许可协议进行许可。\\
-%     访问~\href{http://creativecommons.org/licenses/by-nc/4.0/}{此链接}~查看该许可协议。
-%   \end{minipage}
-% \end{tabular*}  
-
-%=========================================================================
+
+\pagestyle{empty}                % 前导页无页眉页脚
+%============================================================
+ % 封面
+\input{../data/cover}     
+%============================================================
+ % 版权页
+\input{../data/copyright}     
+
+\frontmatter                     % 从前言开始用罗马数字作为页码
+%============================================================
 % 前言
-\thispagestyle{empty}
-\frontmatter  % 对前言和概览用罗马数字作为页码
-\pagestyle{empty}
 \input{../data/preface}
-
-%=========================================================================
+%============================================================
 % 目录
 \cleardoublepage
-\pagestyle{empty}
 \tableofcontents
-\mainmatter	  % 对正文用阿拉伯数字作为页码
 
-%======================================================================
+\mainmatter	                     % 从正文开始用阿拉伯数字作为页码
+\pagestyle{fancy}                % 正文有页眉页脚
+\setcounter{page}{1}             % 正文页码从1开始
+%============================================================
 % 正文内容
-% \pagestyle{fancy}
-\setcounter{page}{1}
 
 % “网络抓包与协议分析”
 \graphicspath{{../figure/chapters/wireshark/}}
@@ -61,7 +43,6 @@
 \input{../data/ch_socket/sec_web}
 \input{../data/ch_socket/sec_smtp}
 
-
 % “组网基础”
 \graphicspath{{../figure/chapters/ensp/}}
 \input{../data/ch_ensp/preface}
@@ -83,22 +64,9 @@
 \input{../data/ch_sdn-openbox/sec_topo}
 \input{../data/ch_sdn-openbox/sec_ns}
 
-
-% % %=========================================================================
-% % % 附录
-% % \appendix
-% % \titleformat{\chapter}[display]{\flushleft}{
-% %   \begin{tikzpicture}
-% %   \node[anchor=south west] (chap) at (0,1.3){
-% %     \Large\heiti {附录\Alph{chapter}}};
-% %   \path [left color=c1,right color=c3] (0,-0.3) rectangle (\textwidth,-0.5);
-% %   \path(0,-0.2);
-% %   \end{tikzpicture}
-% % }{-30mm}{\Huge\heiti}
-% % \titlespacing{\chapter}{0pt}{0pt}{2\baselineskip}
-% % \renewcommand{\thefigure}{\Alph{chapter}--\arabic{figure}}
-% % \renewcommand{\thetable}{\Alph{chapter}--\arabic{table}}
-% % \renewcommand{\chaptername}{附录\Alph{chapter}}
+%============================================================
+% 附录
+\appendixes
 
 % 速查手册
 \graphicspath{{../figure/appendixes/cheat_sheet/}}
@@ -116,11 +84,4 @@
 \graphicspath{{../figure/appendixes/fast/}}
 \input{../data/appendix/fast}
 
-\backmatter	
-%======================================================================
-% 参考文献
-% \printbibliography[heading=bibintoc]
-% \makeatletter
-% \makeatother
-
 \end{document}
\ No newline at end of file
diff --git a/data/copyright.tex b/data/copyright.tex
new file mode 100644
index 0000000..f202516
--- /dev/null
+++ b/data/copyright.tex
@@ -0,0 +1,20 @@
+
+%=========================================================================
+% 版本声明
+\clearpage
+\begin{center}
+  \Large{Version 1.0$\alpha$} \\ \vspace{2em}
+  \Large{发布日期: \today}%{\number\year 年 \number\month 月 \number\day 日}}
+ % \\ \vspace{1em}
+\end{center} 
+
+% \vfill
+% \vspace{30em}
+% \begin{tabular*}{\textwidth}{ccc}
+%   \includegraphics{figure/by-nc.eps}
+%   & \begin{minipage}[b]{0.6\textwidth}
+%     \small\sffamily
+%     本作品采用知识共享 署名-非商业性使用 4.0 国际许可协议进行许可。\\
+%     访问~\href{http://creativecommons.org/licenses/by-nc/4.0/}{此链接}~查看该许可协议。
+%   \end{minipage}
+% \end{tabular*}