diff --git a/src/renderer/src/pages/home/Markdown/Markdown.tsx b/src/renderer/src/pages/home/Markdown/Markdown.tsx
index 843e96c9..5a61a922 100644
--- a/src/renderer/src/pages/home/Markdown/Markdown.tsx
+++ b/src/renderer/src/pages/home/Markdown/Markdown.tsx
@@ -19,7 +19,7 @@ import ImagePreview from './ImagePreview'
 import Link from './Link'
 
 const ALLOWED_ELEMENTS =
-  /<(style|p|div|span|b|i|strong|em|ul|ol|li|table|tr|td|th|thead|tbody|h[1-6]|blockquote|pre|code|br|hr|svg|path|circle|rect|line|polyline|polygon|text|g|defs|title|desc|tspan)/i
+  /<(style|p|div|span|b|i|strong|em|ul|ol|li|table|tr|td|th|thead|tbody|h[1-6]|blockquote|pre|code|br|hr|svg|path|circle|rect|line|polyline|polygon|text|g|defs|title|desc|tspan|sub|sup)/i
 
 interface Props {
   message: Message