diff --git a/.gitignore b/.gitignore
index 0b4d55d..5f469bd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -47,6 +47,7 @@ thesis/
 # Other
 .DS_Store
 *.zip
+*.otf
 source/*.md
 source/*.sh
 source/fduthesis-code.*
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4429f2d..35f156d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,6 +18,7 @@
   - 封面信息栏改用表格实现 - [#60]、[#86]
   - 通过引入 `ctex-c5size.clo` 来修改字号 - [#78]
   - (fdudoc) 移除多余的文档层定义
+  - (fdudoc) 更新宏包手册字体
 
 ## [v0.8 (2022-09-04)]
 
diff --git a/source/fduthesis-doc.dtx b/source/fduthesis-doc.dtx
index d3493de..546f30b 100644
--- a/source/fduthesis-doc.dtx
+++ b/source/fduthesis-doc.dtx
@@ -1660,7 +1660,8 @@
 \bibliographystyle{gbt7714-numerical}
 %    \end{macrocode}
 %
-% \changes{v0.7c}{2019/02/08}{修改宏包手册主要字体。}
+% \changes{v0.7c}{2019/02/08}{[\pkg{fdudoc}] 修改宏包手册主要字体。}
+% \changes{v0.9}{2023/02/18}{[\pkg{fdudoc}] 更新宏包手册字体。}
 %
 % 西文字体。为兼容 macOS，系统字体需使用字体名，而 \TeXLive{}
 % 中的字体需使用文件名。
@@ -1678,29 +1679,36 @@
   BoldFont       = *-Bold,
   ItalicFont     = *-Italic,
   BoldItalicFont = *-BoldItalic]
-\setmonofont{Iosevka Slab}[
-  UprightFont    = * Light,
-  BoldFont       = * Semibold,
-  ItalicFont     = * Light Oblique,
-  BoldItalicFont = * Semibold Oblique,
-  Scale          = MatchLowercase]
+\setmonofont{lmmonolt10}[
+  Extension      = .otf,
+  UprightFont    = *-regular,
+  BoldFont       = *-bold,
+  ItalicFont     = *-oblique,
+  BoldItalicFont = *-boldoblique]
 \setmathfont{LibertinusMath-Regular.otf}
 %    \end{macrocode}
 %
 % 中文字体。
 %    \begin{macrocode}
-\setCJKmainfont{Source Han Serif SC}[
-  ItalicFont     = FZKai-Z03,
-  CharacterWidth = Full]
-\setCJKsansfont{Source Han Sans SC}[
-  ItalicFont     = *,
-  CharacterWidth = Full]
-\setCJKmonofont{Source Han Sans SC}[
-  UprightFont    = * Normal,
-  BoldFont       = * Bold,
-  AutoFakeSlant  = 0.1763,  % = tan(10 deg)
-  Scale          = 0.8903,
-  CharacterWidth = Full]
+\setCJKmainfont{SourceHanSerifSC}[
+  Extension       = .otf,
+  UprightFont     = *-Regular,
+  BoldFont        = *-Bold,
+  ItalicFont      = FandolKai-Regular,
+  UprightFeatures = { CharacterWidth = Full },
+  BoldFeatures    = { CharacterWidth = Full }]
+\setCJKsansfont{SourceHanSansSC}[
+  Extension       = .otf,
+  UprightFont     = *-Regular,
+  BoldFont        = *-Bold,
+  CharacterWidth  = Full]
+\setCJKmonofont{SourceHanSansSC}[
+  Extension       = .otf,
+  UprightFont     = *-Normal,
+  BoldFont        = *-Bold,
+  AutoFakeSlant   = 0.1763, % = tan(10 deg)
+  Scale           = 0.9,
+  CharacterWidth  = Full]
 %    \end{macrocode}
 %
 % 版式排版格式。
@@ -1971,7 +1979,7 @@
 % \begin{macro}[int]{style@base}
 %    \begin{macrocode}
 \lstdefinestyle{style@base}{
-  basewidth       = 0.5 em,
+  basewidth       = 0.525 em,
   gobble          = 3,
   lineskip        = 2 pt,
   frame           = l,
@@ -2016,17 +2024,17 @@
 % \begin{macro}[int]{style@syntax}
 %    \begin{macrocode}
 \lstdefinestyle{style@syntax}{
-  basewidth     = 0.5 em,
-  gobble        = 6,
-  escapeinside  = {(*}{*)},
-  language      = [LaTeX]TeX,
-  alsoletter    = {*, -},
-  basicstyle    = \footnotesize\ttfamily\color{MaterialGrey900},
-  keywordstyle  = \bfseries\color{MaterialIndigo},
-  commentstyle  = \itshape\color{MaterialGrey600},
-  texcsstyle    = *\color{MaterialDeepOrange},
-  emphstyle     = [1]\color{MaterialGreen800},
-  emphstyle     = [2]\color{MaterialTeal}
+  basewidth    = 0.525 em,
+  gobble       = 6,
+  escapeinside = {(*}{*)},
+  language     = [LaTeX]TeX,
+  alsoletter   = {*, -},
+  basicstyle   = \footnotesize\ttfamily\color{MaterialGrey900},
+  keywordstyle = \bfseries\color{MaterialIndigo},
+  commentstyle = \itshape\color{MaterialGrey600},
+  texcsstyle   = *\color{MaterialDeepOrange},
+  emphstyle    = [1]\color{MaterialGreen800},
+  emphstyle    = [2]\color{MaterialTeal}
 }
 %    \end{macrocode}
 % \end{macro}