diff --git a/src/utils/markdown.ts b/src/utils/markdown.ts
index 295234c..7f5262a 100644
--- a/src/utils/markdown.ts
+++ b/src/utils/markdown.ts
@@ -49,10 +49,12 @@ function highlightHtmlCode(html: string): string {
 }
 
 export function renderArticle(content: string): string {
+  let html: string
   if (content.trimStart().startsWith('<')) {
-    const safe = DOMPurify.sanitize(content)
-    return highlightHtmlCode(safe)
+    html = DOMPurify.sanitize(content)
+  } else {
+    const rawHtml = marked.parse(content, { async: false }) as string
+    html = DOMPurify.sanitize(rawHtml)
   }
-  const rawHtml = marked.parse(content, { async: false }) as string
-  return DOMPurify.sanitize(rawHtml)
+  return highlightHtmlCode(html)
 }
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