diff --git a/src/components/Library/LibraryContentPreview.tsx b/src/components/Library/LibraryContentPreview.tsx
index 21ae3f6..72a85d7 100644
--- a/src/components/Library/LibraryContentPreview.tsx
+++ b/src/components/Library/LibraryContentPreview.tsx
@@ -20,7 +20,7 @@ export default function LibraryContentPreview(
const item = props.item;
return (
-
+
{item.thumbnail.data ? (
![]()
+
diff --git a/src/pages/contents/[slug]/index.tsx b/src/pages/contents/[slug]/index.tsx
index cd78005..774df55 100644
--- a/src/pages/contents/[slug]/index.tsx
+++ b/src/pages/contents/[slug]/index.tsx
@@ -27,7 +27,7 @@ export default function ContentIndex(props: ContentIndexProps): JSX.Element {
const subPanel = (
@@ -42,7 +42,7 @@ export default function ContentIndex(props: ContentIndexProps): JSX.Element {
{content.text_set.length > 0 ? (
-