diff --git a/config/_default/params.toml b/config/_default/params.toml
index b9f36ca..dcbc7bd 100644
--- a/config/_default/params.toml
+++ b/config/_default/params.toml
@@ -81,7 +81,7 @@ lastMod = false
   flexSearch = true
   darkMode = true
   bootStrapJs = true
-  breadCrumb = false
+  breadCrumb = true
   highLight = true
   kaTex = false
   collapsibleSidebar = true
diff --git a/layouts/partials/sidebar/docs-menu.html b/layouts/partials/sidebar/docs-menu.html
index fcdc21b..316de10 100644
--- a/layouts/partials/sidebar/docs-menu.html
+++ b/layouts/partials/sidebar/docs-menu.html
@@ -1,104 +1,64 @@
-<aside>
-  <ul class="list-unstyled collapsible-sidebar">
-      {{ $currentPage := . }}
-      {{ range .Site.Menus.docs }}
-          {{ if .HasChildren }}
-              <li class="{{ if $currentPage.HasMenuCurrent "docs" . }}active{{ end }}">
-                  <a href="#">
-                      {{ .Pre }}
-                      <span>{{ .Name }}</span>
-                  </a>
-              </li>
-              <ul class="sub-menu">
-                  {{ range .Children }}
-
-
-                    {{ if .HasChildren }}
-                        <li class="{{ if $currentPage.HasMenuCurrent "docs" . }}active{{ end }}">
-                            <a href="#">
-                                {{ .Pre }}
-                                <span>{{ .Name }}</span>
-                            </a>
-                        </li>
-                        <ul class="sub-menu">
-                            {{ range .Children }}
-
-
-                                {{ if .HasChildren }}
-                                    <li class="{{ if $currentPage.HasMenuCurrent "docs" . }}active{{ end }}">
-                                        <a href="#">
-                                            {{ .Pre }}
-                                            <span>{{ .Name }}</span>
-                                        </a>
-                                    </li>
-                                    <ul class="sub-menu">
-                                        {{ range .Children }}
-                                            <li class="{{ if $currentPage.IsMenuCurrent "docs" . }}active{{ end }}">
-                                                <a href="{{ .URL }}">{{ .Name }}</a>
-                                            </li>
-                                        {{ end }}
-                                    </ul>
-                                {{ else }}
-                                    <li>
-                                        <a href="{{ .URL }}">
-                                            {{ .Pre }}
-                                            <span>{{ .Name }}</span>
-                                        </a>
-                                    </li>
-                                {{ end }}
-
-
-                            {{ end }}
-                        </ul>
-                    {{ else }}
-                        <li>
-                            <a href="{{ .URL }}">
-                                {{ .Pre }}
-                                <span>{{ .Name }}</span>
-                            </a>
-                        </li>
-                    {{ end }}
-
-
-
-                  {{ end }}
-              </ul>
-          {{ else }}
-              <li>
-                  <a href="{{ .URL }}">
-                      {{ .Pre }}
-                      <span>{{ .Name }}</span>
-                  </a>
-              </li>
-          {{ end }}
-      {{ end }}
-  </ul>
-</aside>
-
-<!--
 {{ if .Site.Params.options.collapsibleSidebar -}}
   <ul class="list-unstyled collapsible-sidebar">
-  {{ $currentPage := . -}}
-  {{ range $index, $element := .Site.Menus.docs -}}
-  {{- $active := or ($currentPage.IsMenuCurrent "docs" .) ($currentPage.HasMenuCurrent "docs" .) -}}
-  {{- $active = or $active (eq $currentPage.Section .Identifier) -}}
-    <li class="mb-1">
-      <button class="btn btn-toggle align-items-center rounded collapsed" data-bs-toggle="collapse" data-bs-target="#section-{{ .Identifier }}" aria-expanded="{{ if $active }}true{{ else }}false{{ end }}">
-        {{ .Name }}
-      </button>
-      {{ if .HasChildren -}}
-      <div class="collapse{{ if $active }} show{{ end }}" id="section-{{ .Identifier }}">
-        <ul class="btn-toggle-nav list-unstyled fw-normal pb-1 small">
-        {{ range .Children -}}
-          {{- $active := or ($currentPage.IsMenuCurrent "docs" .) ($currentPage.HasMenuCurrent "docs" .) -}}
-          {{- $active = or $active (eq $currentPage.Section .Identifier) -}}
-          <li><a class="docs-link rounded{{ if $active }} active{{ end }}" href="{{ .URL | relURL }}">{{ .Name }}</a></li>
+    {{ $currentPage := . -}}
+    {{ range $index, $element := .Site.Menus.docs -}}
+      {{- $active := or ($currentPage.IsMenuCurrent "docs" .) ($currentPage.HasMenuCurrent "docs" .) -}}
+      {{- $active = or $active (eq $currentPage.Section .Identifier) -}}
+      <li class="mb-1">
+        <button class="btn btn-toggle align-items-center rounded collapsed" data-bs-toggle="collapse" data-bs-target="#section-{{ .Identifier }}" aria-expanded="{{ if $active }}true{{ else }}false{{ end }}">
+          {{ .Name }}
+        </button>
+        {{ if .HasChildren -}}
+          <div class="collapse{{ if $active }} show{{ end }}" id="section-{{ .Identifier }}">
+            <ul class="btn-toggle-nav list-unstyled fw-normal pb-1 small">
+              {{ range .Children -}}
+                {{ if .HasChildren -}}
+                  <li class="my-1 ms-3">
+                    <button class="btn btn-toggle align-items-center rounded collapsed" data-bs-toggle="collapse" data-bs-target="#section-{{ .Identifier }}" aria-expanded="{{ if $active }}true{{ else }}false{{ end }}">
+                      {{ .Name }}
+                    </button>
+                    {{ if .HasChildren -}}
+                      <div class="collapse{{ if $active }} show{{ end }}" id="section-{{ .Identifier }}">
+                        <ul class="btn-toggle-nav list-unstyled fw-normal pb-1 small">
+                          {{ range .Children -}}
+                            {{ if .HasChildren -}}
+                              <li class="my-1 ms-3">
+                                <button class="btn btn-toggle align-items-center rounded collapsed" data-bs-toggle="collapse" data-bs-target="#section-{{ .Identifier }}" aria-expanded="{{ if $active }}true{{ else }}false{{ end }}">
+                                  {{ .Name }}
+                                </button>
+                                {{ if .HasChildren -}}
+                                  <div class="collapse{{ if $active }} show{{ end }}" id="section-{{ .Identifier }}">
+                                    <ul class="btn-toggle-nav list-unstyled fw-normal pb-1 small">
+                                    {{ range .Children -}}
+                                      {{- $active := or ($currentPage.IsMenuCurrent "docs" .) ($currentPage.HasMenuCurrent "docs" .) -}}
+                                      {{- $active = or $active (eq $currentPage.Section .Identifier) -}}
+                                      <li><a class="docs-link rounded{{ if $active }} active{{ end }}" href="{{ .URL | relURL }}">{{ .Name }}</a></li>
+                                    {{ end -}}
+                                    </ul>
+                                  </div>
+                                {{ end -}}
+                              </li>
+                            {{ else -}}
+                              {{- $active := or ($currentPage.IsMenuCurrent "docs" .) ($currentPage.HasMenuCurrent "docs" .) -}}
+                              {{- $active = or $active (eq $currentPage.Section .Identifier) -}}
+                              <li><a class="docs-link rounded{{ if $active }} active{{ end }}" href="{{ .URL | relURL }}">{{ .Name }}</a></li>
+                            {{ end -}}
+                          {{ end -}}
+                        </ul>
+                      </div>
+                    {{ end -}}
+                  </li>
+                {{ else -}}
+                  {{- $active := or ($currentPage.IsMenuCurrent "docs" .) ($currentPage.HasMenuCurrent "docs" .) -}}
+                  {{- $active = or $active (eq $currentPage.Section .Identifier) -}}
+                  <li><a class="docs-link rounded{{ if $active }} active{{ end }}" href="{{ .URL | relURL }}">{{ .Name }}</a></li>
+                {{ end -}}
+              {{ end -}}
+            </ul>
+          </div>
         {{ end -}}
-        </ul>
-      </div>
-      {{ end -}}
-    </li>
-  {{ end -}}
+      </li>
+    {{ end -}}
   </ul>
 {{ else -}}
   {{ $currentPage := . -}}
@@ -115,4 +75,3 @@
     {{ end -}}
   {{ end -}}
 {{ end -}}
--->