diff --git a/.vuepress/styles/index.scss b/.vuepress/styles/index.scss
index 0f9b6b6a0be..7a77e84048b 100755
--- a/.vuepress/styles/index.scss
+++ b/.vuepress/styles/index.scss
@@ -38,6 +38,8 @@ div[class*='language-'].line-numbers-mode .line-numbers {
   --code-line-height: 1.1;
   --font-family-code: 'Fira Code', Consolas, Monaco, 'Andale Mono', 'DejaVu Sans Mono',
     'Ubuntu Mono', monospace;
+  --code-font-family: 'Fira Code', Consolas, Monaco, 'Andale Mono', 'DejaVu Sans Mono',
+    'Ubuntu Mono', monospace;
 }
 
 @media screen and (min-width: 720px) and (max-width: 815px) {