Index: documentation/tools/asciidoctor.sh
===================================================================
--- documentation/tools/asciidoctor.sh
+++ documentation/tools/asciidoctor.sh
@@ -61,6 +61,14 @@
 		local asciidoctor_file_name="_index.adoc"
 	fi
 
+	local theme_font=""
+
+	if [ "$doc_lang" = "zh-tw" ]; then
+		theme_font="-a pdf-theme=./shared/zh-tw/zh-tw-theme.yml -a pdf-fontsdir=/usr/local/share/fonts/noto/"
+	else
+		theme_font="-a pdf-theme=default-with-fallback-font"
+	fi	
+
 	$ASCIIDOCTORPDF_CMD \
 		-r ./shared/lib/man-macro.rb \
 		-r ./shared/lib/git-macro.rb \
@@ -73,7 +81,7 @@
 		-a lang="$doc_lang" \
 		-a isonline=1 \
 		-a env-beastie=1 \
-		-a pdf-theme=default-with-fallback-font \
+		"${theme_font}" \
 		-o "${cur_dir_output}${doc_name}_${doc_lang}.pdf" \
 		"${cur_dir_source}${asciidoctor_file_name}"
 }
Index: shared/zh-tw/zh-tw-theme.yml
===================================================================
--- /dev/null
+++ shared/zh-tw/zh-tw-theme.yml
@@ -0,0 +1,17 @@
+extends: default
+font:
+  catalog:
+    merge: true
+    Noto Sans TC: NotoSansCJKtc-Regular.otf
+    Noto Sans Mono TC: NotoSansMonoCJKtc-Regular.otf
+  fallbacks:
+  - Noto Serif
+base:
+  text-align: left
+  font-family: Noto Sans TC
+codespan:
+  font-family: Noto Sans Mono TC
+kbd:
+  font-family: $codespan-font-family
+code:
+  font-family: $codespan-font-family