diff --git a/pages/02.linux/19.step-ca/default.en.md b/pages/02.linux/19.step-ca/default.en.md
index d44328c..934d552 100644
--- a/pages/02.linux/19.step-ca/default.en.md
+++ b/pages/02.linux/19.step-ca/default.en.md
@@ -2,6 +2,7 @@
 title: Step-CA
 ---
 
+[toc]
 ## Server
 ```
 # podman run -d --name step-ca \