diff --git a/docs/conf.py b/docs/conf.py
index b25d4b4..108b05b 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -38,7 +38,3 @@
     "repository_url": "https://github.com/Dengyu-Wu/snncutoff",
     "use_repository_button": True,
 }
-
-html_sidebars = {
-    "**": ["navbar-logo.html", "sbt-sidebar-nav.html",  "icon-links.html"]
-}
\ No newline at end of file
diff --git a/docs/index.md b/docs/index.md
index 96521ac..30bcd04 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -10,14 +10,15 @@
 
 tutorials/installation
 tutorials/examples
+```
 
-{toctree}
+```{toctree}
 :maxdepth: 2
 :hidden:
 :caption: 'Cutoff'
 cutoff/topk
-
-{toctree}
+```
+```{toctree}
 :maxdepth: 2
 :hidden:
 :caption: 'References'
diff --git a/docs/references.md b/docs/references.md
index fc721a0..45b95b4 100644
--- a/docs/references.md
+++ b/docs/references.md
@@ -1,4 +1,4 @@
-# Notations and References 
+# References 
 
 <b> Notation:</b> &nbsp;&nbsp; <span style="color:#FB929E">Conversion</span>    &nbsp;&nbsp;<span style="color:#AEDEFC">Direct Training </span>  &nbsp;&nbsp; <span style="color:#CF9FD2"> Hybrid</span>   &nbsp;&nbsp;   <span style="color:#929292"><ins> Reproduced</ins></span>