diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index e88593e..9458d57 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -20,50 +20,22 @@ jobs:
     - name: Install Rust
       run: |
         rustup set profile minimal
-        rustup toolchain install 1.62 -c rust-docs
-        rustup default 1.62
+        rustup toolchain install 1.74.1 -c rust-docs
+        rustup default 1.74.1
     - name: Install mdbook
       run: |
         mkdir bin
-        curl -sSL https://github.com/rust-lang/mdBook/releases/download/v0.4.21/mdbook-v0.4.21-x86_64-unknown-linux-gnu.tar.gz | tar -xz --directory=bin
+        curl -sSL https://github.com/rust-lang/mdBook/releases/download/v0.4.36/mdbook-v0.4.36-x86_64-unknown-linux-gnu.tar.gz | tar -xz --directory=bin
         echo "$(pwd)/bin" >> ${GITHUB_PATH}
-    - name: Install mdbook-latex-pdf
+    - name: Install mdbook-typst-pdf
       run: |
-        curl -sL -o bin/mdbook-latex-pdf https://github.com/KaiserY/mdbook-latex-pdf/releases/download/0.1.1/mdbook-latex-pdf-x86_64-unknown-linux-gnu
-        chmod +x bin/mdbook-latex-pdf
+        curl -sL -o bin/mdbook-typst-pdf https://github.com/KaiserY/mdbook-typst-pdf/releases/download/0.1.0/mdbook-typst-pdf-x86_64-unknown-linux-gnu
+        chmod +x bin/mdbook-typst-pdf
         echo "$(pwd)/bin" >> ${GITHUB_PATH}
-        pip install --upgrade --force-reinstall Pygments
     - name: Install font
       run: |
         echo ttf-mscorefonts-installer msttcorefonts/accepted-mscorefonts-eula select true | sudo debconf-set-selections
         sudo apt-get -y install msttcorefonts
-        mkdir fonts
-        mkdir -p ~/.local/share/fonts
-        curl -sL -o Noto_Sans.zip https://fonts.google.com/download?family=Noto%20Sans
-        unzip Noto_Sans.zip -d fonts/Noto_Sans
-        curl -sL -o Noto_Sans_SC.zip https://fonts.google.com/download?family=Noto%20Sans%20SC
-        unzip Noto_Sans_SC.zip -d fonts/Noto_Sans_SC
-        curl -sL -o Noto_Sans_Mono.zip https://fonts.google.com/download?family=Noto%20Sans%20Mono
-        unzip Noto_Sans_Mono.zip -d fonts/Noto_Sans_Mono
-        rm -fv fonts/Noto_Sans_Mono/NotoSansMono-VariableFont_wdth,wght.ttf
-        curl -sL -o Noto_Sans_KR.zip https://fonts.google.com/download?family=Noto%20Sans%20KR
-        unzip Noto_Sans_KR.zip -d fonts/Noto_Sans_KR
-        curl -sL -o Noto_Sans_Thai.zip https://fonts.google.com/download?family=Noto%20Sans%20Thai
-        unzip Noto_Sans_Thai.zip -d fonts/Noto_Sans_Thai
-        rm -fv fonts/Noto_Sans_Thai/NotoSansThai-VariableFont_wdth,wght.ttf
-        curl -sL -o Noto_Sans_Arabic.zip https://fonts.google.com/download?family=Noto%20Sans%20Arabic
-        unzip Noto_Sans_Arabic.zip -d fonts/Noto_Sans_Arabic
-        curl -sL -o Noto_Sans_Hebrew.zip https://fonts.google.com/download?family=Noto%20Sans%20Hebrew
-        unzip Noto_Sans_Hebrew.zip -d fonts/Noto_Sans_Hebrew
-        curl -sL -o Noto_Sans_Devanagari.zip https://fonts.google.com/download?family=Noto%20Sans%20Devanagari
-        unzip Noto_Sans_Devanagari.zip -d fonts/Noto_Sans_Devanagari
-        rm -fv fonts/Noto_Sans_Devanagari/NotoSansDevanagari-VariableFont_wdth,wght.ttf
-        curl -sL -o Noto_Emoji.zip https://fonts.google.com/download?family=Noto%20Emoji
-        unzip Noto_Emoji.zip -d fonts/Noto_Emoji
-        curl -sL -o times_sans_serif.zip  https://dl.dafont.com/dl/?f=times_sans_serif
-        unzip times_sans_serif.zip -d fonts/times_sans_serif
-        mv fonts/* ~/.local/share/fonts/
-        fc-cache -rv
     - name: Report versions
       run: |
         rustup --version
@@ -73,9 +45,9 @@ jobs:
       run:  |
         mdbook build
         mv book/html/* book/
-        mv "book/latex-pdf/Rust 程序设计语言 简体中文版.pdf" book/
+        mv "book/typst-pdf/Rust 程序设计语言 简体中文版.pdf" book/
         rm -r book/html/
-        rm -rf book/latex-pdf/
+        rm -rf book/typst-pdf/
     - name: Deploy gh-pages
       if: ${{ github.ref == 'refs/heads/main' }}
       uses: peaceiris/actions-gh-pages@v3
diff --git a/book.toml b/book.toml
index 4eddbb0..626a10c 100644
--- a/book.toml
+++ b/book.toml
@@ -10,6 +10,5 @@ additional-js = ["ferris.js"]
 git-repository-url = "https://github.com/KaiserY/trpl-zh-cn/tree/main"
 edit-url-template = "https://github.com/KaiserY/trpl-zh-cn/edit/main/{path}"
 
-[output.latex-pdf]
-latex = false
+[output.typst-pdf]
 pdf = true
diff --git a/src/ch12-01-accepting-command-line-arguments.md b/src/ch12-01-accepting-command-line-arguments.md
index 2b86ccf..69c8322 100644
--- a/src/ch12-01-accepting-command-line-arguments.md
+++ b/src/ch12-01-accepting-command-line-arguments.md
@@ -1,4 +1,4 @@
-### 接受命令行参数
+## 接受命令行参数
 
 > [ch12-01-accepting-command-line-arguments.md](https://github.com/rust-lang/book/blob/main/src/ch12-01-accepting-command-line-arguments.md)
 > <br>
diff --git a/src/ch12-02-reading-a-file.md b/src/ch12-02-reading-a-file.md
index 7c48b33..73bc8b3 100644
--- a/src/ch12-02-reading-a-file.md
+++ b/src/ch12-02-reading-a-file.md
@@ -1,4 +1,4 @@
-### 读取文件
+## 读取文件
 
 > [ch12-02-reading-a-file.md](https://github.com/rust-lang/book/blob/main/src/ch12-02-reading-a-file.md)
 > <br>
diff --git a/src/ch13-01-closures.md b/src/ch13-01-closures.md
index 77f4204..36e9c88 100644
--- a/src/ch13-01-closures.md
+++ b/src/ch13-01-closures.md
@@ -217,4 +217,4 @@ impl<T> Option<T> {
 
 当定义或使用用到闭包的函数或类型时，`Fn`  trait 十分重要。在下个小节中，我们将会讨论迭代器。许多迭代器方法都接收闭包参数，因而在继续前先记住这些闭包的细节！
 
-[unwrap-or-else]: ../std/option/enum.Option.html#method.unwrap_or_else
+[unwrap-or-else]: https://doc.rust-lang.org/std/option/enum.Option.html#method.unwrap_or_else