diff --git a/lib/doc/zh_CN/Intro.lyx b/lib/doc/zh_CN/Intro.lyx
index 762040272b..a7fce53231 100644
--- a/lib/doc/zh_CN/Intro.lyx
+++ b/lib/doc/zh_CN/Intro.lyx
@@ -11,9 +11,9 @@
 \language_package default
 \inputencoding utf8-cjk
 \fontencoding auto
-\font_roman "lmodern" "default"
-\font_sans "default" "default"
-\font_typewriter "default" "default"
+\font_roman "lmodern" "Noto Serif CJK SC"
+\font_sans "default" "Noto Sans CJK SC"
+\font_typewriter "default" "Noto Sans Mono CJK SC"
 \font_math "auto" "auto"
 \font_default_family default
 \use_non_tex_fonts false
@@ -71,6 +71,7 @@
 \suppress_date false
 \justification true
 \use_refstyle 0
+\use_formatted_ref 0
 \use_minted 0
 \use_lineno 0
 \index 索引
diff --git a/lib/doc/zh_CN/Tutorial.lyx b/lib/doc/zh_CN/Tutorial.lyx
index 93f95e389e..83727bbfae 100644
--- a/lib/doc/zh_CN/Tutorial.lyx
+++ b/lib/doc/zh_CN/Tutorial.lyx
@@ -12,9 +12,9 @@
 \language_package default
 \inputencoding utf8-cjk
 \fontencoding auto
-\font_roman "lmodern" "default"
-\font_sans "default" "default"
-\font_typewriter "default" "default"
+\font_roman "lmodern" "Noto Serif CJK SC"
+\font_sans "default" "Noto Sans CJK SC"
+\font_typewriter "default" "Noto Sans Mono CJK SC"
 \font_math "auto" "auto"
 \font_default_family default
 \use_non_tex_fonts false
@@ -72,6 +72,7 @@
 \suppress_date false
 \justification true
 \use_refstyle 0
+\use_formatted_ref 0
 \use_minted 0
 \use_lineno 0
 \index 索引