diff --git a/src/routes/(DefaultStyle)/post/[slug]/toc.svelte b/src/routes/(DefaultStyle)/post/[slug]/toc.svelte
index 36d0a19..be416b8 100644
--- a/src/routes/(DefaultStyle)/post/[slug]/toc.svelte
+++ b/src/routes/(DefaultStyle)/post/[slug]/toc.svelte
@@ -24,6 +24,8 @@
         margin: 0;
         padding: 5px;
         font-size: .9rem;
+        max-height: 280px;
+        overflow: scroll;
     }
     li {
         padding: 4px;