diff --git a/hugo.toml b/hugo.toml
index ccb7ef71..06df9b90 100644
--- a/hugo.toml
+++ b/hugo.toml
@@ -957,6 +957,10 @@ enableEmoji = true
     footer = []
     widgets = []
     assets = []
+    postTocBefore = []
+    postTocAfter = []
+    postContentBefore = []
+    postContentAfter = []
     postFooterBefore = []
     postFooterAfter = []
 
diff --git a/layouts/partials/custom.html b/layouts/partials/custom.html
index dc0b2109..74141f2f 100644
--- a/layouts/partials/custom.html
+++ b/layouts/partials/custom.html
@@ -61,6 +61,34 @@
   {{- end -}}
 {{- end -}}
 
+{{- define "custom-post__toc:before" -}}
+  {{- $ctx := . -}}
+  {{- range .Site.Params.customPartials.postTocBefore -}}
+    {{- partial . $ctx -}}
+  {{- end -}}
+{{- end -}}
+
+{{- define "custom-post__toc:after" -}}
+  {{- $ctx := . -}}
+  {{- range .Site.Params.customPartials.postTocAfter -}}
+    {{- partial . $ctx -}}
+  {{- end -}}
+{{- end -}}
+
+{{- define "custom-post__content:before" -}}
+  {{- $ctx := . -}}
+  {{- range .Site.Params.customPartials.postContentBefore -}}
+    {{- partial . $ctx -}}
+  {{- end -}}
+{{- end -}}
+
+{{- define "custom-post__content:after" -}}
+  {{- $ctx := . -}}
+  {{- range .Site.Params.customPartials.postContentAfter -}}
+    {{- partial . $ctx -}}
+  {{- end -}}
+{{- end -}}
+
 {{- define "custom-post__footer:before" -}}
   {{- $ctx := . -}}
   {{- range .Site.Params.customPartials.postFooterBefore -}}
diff --git a/layouts/partials/init/index.html b/layouts/partials/init/index.html
index c6e9a012..a29dda5c 100644
--- a/layouts/partials/init/index.html
+++ b/layouts/partials/init/index.html
@@ -1,4 +1,4 @@
-{{- .Scratch.Set "version" "v0.3.17-21750077" -}}
+{{- .Scratch.Set "version" "v0.3.17-469af95f" -}}
 {{- .Scratch.Set "this" dict -}}
 
 {{- partial "init/detection-env.html" . -}}
diff --git a/layouts/partials/single/post-author.html b/layouts/partials/single/post-author.html
index d81308c7..e9bfaa43 100644
--- a/layouts/partials/single/post-author.html
+++ b/layouts/partials/single/post-author.html
@@ -5,7 +5,7 @@
 <span class="post-author">
   {{- $content := $author.name | default "Anonymous" -}}
   {{- $icon := dict "Class" "fa-solid fa-user-circle" -}}
-  {{- /* Deprecate $params.authorAvatar in favor of $params.showAvatar and dd front matter gravatar {bool} */ -}}
+  {{- /* Deprecate $params.authorAvatar in favor of $params.showAvatar and add front matter gravatar {bool} */ -}}
   {{- if $author.avatar | and $params.authorAvatar -}}
     {{- $content = printf "%v&nbsp;%v" (dict "Src" $author.avatar "Class" "avatar" "Alt" $content "Width" 20 "Height" 20 | partial "plugin/image.html") $content -}}
     {{- $icon = "" -}}
diff --git a/layouts/posts/single.html b/layouts/posts/single.html
index b2592a39..eb4fea2b 100644
--- a/layouts/posts/single.html
+++ b/layouts/posts/single.html
@@ -159,6 +159,9 @@
       </div>
     {{- end -}}
 
+    {{- /* Custom block before post content */ -}}
+    {{- block "custom-post__content:before" . }}{{ end -}}
+
     {{- /* Content */ -}}
     {{- $content := dict "Content" .Content "Ruby" $params.ruby "Fraction" $params.fraction "Fontawesome" $params.fontawesome | partial "function/content.html" | safeHTML -}}
     <div class="content" id="content"{{ with $params.endFlag }} data-end-flag="{{ . }}"{{ end }}>
@@ -169,6 +172,9 @@
       {{- end -}}
     </div>
 
+    {{- /* Custom block after post content */ -}}
+    {{- block "custom-post__content:after" . }}{{ end -}}
+
     {{- /* Related Content */ -}}
     {{- partial "single/related.html" . -}}
 
@@ -203,6 +209,9 @@
   </article>
 
   <aside class="toc" id="toc-auto" aria-label="{{ T "single.contents" }}">
+    {{- /* Custom block before post toc */ -}}
+    {{- block "custom-post__toc:before" . }}{{ end -}}
+
     {{- /* Auto TOC */ -}}
     {{- if $showToc -}}
       <h2 class="toc-title{{ with $params.password }} encrypted-hidden{{ end }}">
@@ -211,5 +220,8 @@
       </h2>
       <div class="toc-content{{ if eq $toc.auto false }} always-active{{ end }}{{ with $params.password }} encrypted-hidden{{ end }}" id="toc-content-auto"></div>
     {{- end -}}
+
+    {{- /* Custom block after post toc */ -}}
+    {{- block "custom-post__toc:after" . }}{{ end -}}
   </aside>
 {{- end -}}