diff --git a/docs/_sidebar.md b/docs/_sidebar.md
new file mode 100644
index 0000000..74b28e7
--- /dev/null
+++ b/docs/_sidebar.md
@@ -0,0 +1,5 @@
+- [🏠 Home](README.md)
+- 📌 **实验过程**
+  - [🇨🇳 中文版](EAP-TLS-RADIUS-Ubuntu-Full.md)
+  - [🇬🇧 English Version](EAP-TLS-RADIUS-Ubuntu-Full-en.md)
+  - [🇯🇵 日本語版](EAP-TLS-RADIUS-Ubuntu-Full-ja.md)