diff --git a/images/fme01.png b/images/fme01.png
new file mode 100644
index 0000000..0e42eca
Binary files /dev/null and b/images/fme01.png differ
diff --git a/images/fme02.png b/images/fme02.png
new file mode 100644
index 0000000..1a9316d
Binary files /dev/null and b/images/fme02.png differ
diff --git a/images/fme03.png b/images/fme03.png
new file mode 100644
index 0000000..5623e73
Binary files /dev/null and b/images/fme03.png differ
diff --git a/pdf/rk3588_guide.pdf b/pdf/rk3588_guide.pdf
index b02a7c5..c1e7871 100644
Binary files a/pdf/rk3588_guide.pdf and b/pdf/rk3588_guide.pdf differ
diff --git a/tex/deploy.tex b/tex/deploy.tex
index adbc4eb..62908f7 100644
--- a/tex/deploy.tex
+++ b/tex/deploy.tex
@@ -1,17 +1,66 @@
 \chapter{系统安装}
 
-\section{烧写系统文件}
 电脑需要安装瑞芯微的 USB 驱动程序。接上 USB 线，运行 \\
-RKDevTool.exe 程序，然后上电进入 maskrom 模式：
-\begin{figure}[H] 
+RKDevTool.exe 程序，然后上电进入 maskrom 模式，按下面步骤进行操作：
+\begin{enumerate}[(1)]
+    \item  运行 RKDevTooL.exe 出现如下界面：
+
+ \begin{figure}[H] 
+    \centering
+    \begin{tikzpicture}
+        \node [anchor=south west, inner sep=0pt] (image) at (0, 0) {
+            \includegraphics[width=\textwidth]{burn.png}
+        };
+        \begin{scope} [
+            x = {($0.1*(image.south east)$)},
+            y = {($0.1*(image.north west)$)}
+            ]
+        % grid for debugging
+        % \draw [lightgray, step=1] (image.south west) grid (image.north east);
+        % \foreach \x in {0, 1, ..., 10} {\node [below] at (\x, 0) {\x};}
+        % \foreach \y in {0, 1, ..., 10} {\node [left] at (0, \y) {\y};}
+        \draw [red, thick, rounded corners] (0.75, 8.7) rectangle (1.4, 9.2);
+        \draw [red, thick, arrow] (2, 10) node [anchor=south west, inner sep=0, font=\fontsize{6}{6}] {点击这里}  to (1.5, 9.4);
+        \end{scope}
+    \end{tikzpicture}
+    \caption{RKDevTooL 界面}\label{fig:rkdevtool}
+ \end{figure}
+        \item 点击上图中的``升级固件'':
+\begin{figure}[H]
     \centering
-    \includegraphics[width=\textwidth]{burn.png}
-    \caption{RKDevTooL 配置}\label{fig:rkdevtool}
+    \includegraphics[width=\textwidth]{fme01.png}
 \end{figure}
+    点击``固件``按钮。
+        \item 在弹出的对话框中选择正确的``update.img'' 文件, 等待``打开'' 执行完成。
+\begin{figure}[H]
+    \centering
+    \includegraphics[width=\textwidth]{fme02.png}
+\end{figure}
+    \item 点击``升级''按钮：等待升级完成。
+\begin{figure}[H]
+    \centering
+    \begin{tikzpicture}
+        \node [anchor=south west, inner sep=0pt] (image) at (0, 0) {
+            \includegraphics[width=\textwidth]{fme03.png}
+        };
+        \begin{scope} [
+            x = {($0.1*(image.south east)$)},
+            y = {($0.1*(image.north west)$)}
+            ]
+        % grid for debugging
+        % \draw [lightgray, step=1] (image.south west) grid (image.north east);
+        % \foreach \x in {0, 1, ..., 10} {\node [below] at (\x, 0) {\x};}
+        % \foreach \y in {0, 1, ..., 10} {\node [left] at (0, \y) {\y};}
+        \draw [red, thick, rounded corners] (1.1, 7.8) rectangle (1.6, 8.4);
+        \draw [red, thick, arrow] (2.0, 8.75) node [anchor=south west, inner sep=0, font=\fontsize{6}{6}] {点击这里} .. controls (1.7, 8.7) .. (1.61, 8.4);
+        \end{scope}
+    \end{tikzpicture}
+    \caption{升级 update.img}\label{fig:updateimg}
+\end{figure}
+    等待升级完成。
+\end{enumerate}
 
-若用 update.img 的话。点击``升级固件'' => ``固件'' => ``升级''。
-
-\section{配置系统}
+\chapter{配置系统}
 在调试串口上按住 \zhsquote{CTRL-C}并上电开机，将调试串口停止在 U-Boot 的命令行上，
 用 \zhsquote{\textcolor{blue!80}{\tt setsn}}，将板卡的编号设置进去，例如：