diff --git a/src/components/Post/Toc.astro b/src/components/Post/Toc.astro
index 141f433..37d7c22 100644
--- a/src/components/Post/Toc.astro
+++ b/src/components/Post/Toc.astro
@@ -30,18 +30,18 @@ const lowLevel = Math.min(...toc.map((v) => v.level));
 <style>
   .toc-mount {
     position: absolute;
-    top: -20px;
-    height: 100%;
+    top: 0;
+    bottom: -64px;
     right: -320px;
     width: 280px;
-    padding: 24px 0;
+    padding: 0px 0;
   }
 
   .toc {
     position: sticky;
     top: 60px;
     height: calc(100vh - 120px);
-    bottom: -64px;
+    width: 100%;
     overflow-y: auto;
     display: flex;
     flex-direction: column;