diff --git a/src/Highlighter/FullFeatured.tsx b/src/Highlighter/FullFeatured.tsx
index 520b172e..c5478e5e 100644
--- a/src/Highlighter/FullFeatured.tsx
+++ b/src/Highlighter/FullFeatured.tsx
@@ -28,7 +28,7 @@ export const HighlighterFullFeatured = memo<HighlighterFullFeaturedProps>(
     showLanguage,
     className,
     style,
-    allowChangeLanguage = true,
+    allowChangeLanguage = false,
     fileName,
     icon,
     actionsRender,
diff --git a/src/Highlighter/SyntaxHighlighter/index.tsx b/src/Highlighter/SyntaxHighlighter/index.tsx
index 34517239..c0a56933 100644
--- a/src/Highlighter/SyntaxHighlighter/index.tsx
+++ b/src/Highlighter/SyntaxHighlighter/index.tsx
@@ -33,6 +33,7 @@ const SyntaxHighlighter = memo<SyntaxHighlighterProps>(
             dangerouslySetInnerHTML={{
               __html: data as string,
             }}
+            dir="ltr"
             style={style}
           />
         )}