diff --git a/pages/02.linux/23.overclocking/default.en.md b/pages/02.linux/23.overclocking/default.en.md
index 6cd4227..bccb421 100644
--- a/pages/02.linux/23.overclocking/default.en.md
+++ b/pages/02.linux/23.overclocking/default.en.md
@@ -2,6 +2,7 @@
 title: Overclocking
 ---
 
+[toc]
 - [CPU](./cpu)
 - [GPU](./gpu)
 - [RAM](./ram)