diff --git a/lib/doc/zh_CN/Intro.lyx b/lib/doc/zh_CN/Intro.lyx
index 46321bd255..1cc4a83d50 100644
--- a/lib/doc/zh_CN/Intro.lyx
+++ b/lib/doc/zh_CN/Intro.lyx
@@ -18,9 +18,9 @@
 \language_package default
 \inputencoding utf8-cjk
 \fontencoding auto
-\font_roman "lmodern" "WenQuanYi Micro Hei"
-\font_sans "default" "WenQuanYi Micro Hei"
-\font_typewriter "default" "WenQuanYi Micro Hei Mono"
+\font_roman "lmodern" "default"
+\font_sans "default" "default"
+\font_typewriter "default" "default"
 \font_math "auto" "auto"
 \font_default_family default
 \use_non_tex_fonts false
diff --git a/lib/doc/zh_CN/Tutorial.lyx b/lib/doc/zh_CN/Tutorial.lyx
index 44f6cded94..b169a8af6e 100644
--- a/lib/doc/zh_CN/Tutorial.lyx
+++ b/lib/doc/zh_CN/Tutorial.lyx
@@ -19,9 +19,9 @@
 \language_package default
 \inputencoding utf8-cjk
 \fontencoding auto
-\font_roman "lmodern" "WenQuanYi Micro Hei"
-\font_sans "default" "WenQuanYi Micro Hei"
-\font_typewriter "default" "WenQuanYi Micro Hei Mono"
+\font_roman "lmodern" "default"
+\font_sans "default" "default"
+\font_typewriter "default" "default"
 \font_math "auto" "auto"
 \font_default_family default
 \use_non_tex_fonts false
@@ -2723,7 +2723,7 @@ reference "subsec:其它序言"
 
 \begin_layout Subsection
 导入 \SpecialChar LaTeX
- 文档── tex2lyx
+ 文档— tex2lyx
 \begin_inset CommandInset label
 LatexCommand label
 name "subsec:tex2lyx"