diff --git a/assets/css/_common/components/post/post-footer.scss b/assets/css/_common/components/post/post-footer.scss
index e97c8c9..be39fda 100644
--- a/assets/css/_common/components/post/post-footer.scss
+++ b/assets/css/_common/components/post/post-footer.scss
@@ -12,7 +12,7 @@
   height: 0px;
   background-image: none;
   border-bottom: .125em dashed #999;
-  margin: 24px 0;
+  margin: 24px 0 12px 0;
 
   &:after{
     content: $post_end_line_tip;
diff --git a/assets/css/_common/scaffolding/highlight/index.scss b/assets/css/_common/scaffolding/highlight/index.scss
index 8b4ca76..8181783 100644
--- a/assets/css/_common/scaffolding/highlight/index.scss
+++ b/assets/css/_common/scaffolding/highlight/index.scss
@@ -62,6 +62,7 @@ kbd {
   font-family: inherit;
   padding: .1em .3em;
   white-space: nowrap;
+  color: #fff;
 }
 
 // `highlight.line_number: false` and `highlight.wrap: false`
diff --git a/exampleSite/config.yaml b/exampleSite/config.yaml
index e21ec35..f76209b 100644
--- a/exampleSite/config.yaml
+++ b/exampleSite/config.yaml
@@ -737,7 +737,7 @@ params:
 
   # AddThis Share. See: https://www.addthis.com
   # Go to https://www.addthis.com/dashboard to customize your tools.
-  add_this_id:
+  addThisId:
 
 
   # ---------------------------------------------------------------
diff --git a/exampleSite/content/post/markdown-syntax.md b/exampleSite/content/post/markdown-syntax.md
index b8b5bba..9618861 100644
--- a/exampleSite/content/post/markdown-syntax.md
+++ b/exampleSite/content/post/markdown-syntax.md
@@ -187,7 +187,7 @@ X<sup>n</sup> + Y<sup>n</sup> = Z<sup>n</sup>
 
 按<kbd>X</kbd>获胜。或按<kbd><kbd>CTRL</kbd>+<kbd>ALT</kbd>+<kbd>F</kbd></kbd>显示 FPS 计数器。
 
-<mark>比特作为信息论中的信息单位，也被称为 shannon <mark>，以信息论领域的创始人 Claude shannon 的名字命名。
+<mark>比特作为信息论中的信息单位，也被称为 shannon </mark>，以信息论领域的创始人 Claude shannon 的名字命名。
 
 参考：
 - 来自 **Mainroad** 主题的 [Basic Elements](https://mainroad-demo.netlify.app/post/basic-elements/) 内容
diff --git a/layouts/partials/_thirdparty/share/addthis.html b/layouts/partials/_thirdparty/share/addthis.html
new file mode 100644
index 0000000..f171c68
--- /dev/null
+++ b/layouts/partials/_thirdparty/share/addthis.html
@@ -0,0 +1,5 @@
+{{- with .Site.Params.addThisId }}
+  <div class="addthis_inline_share_toolbox" style="text-align: center;">
+    <script src="//s7.addthis.com/js/300/addthis_widget.js#pubid={{ . }}" async="async"></script>
+  </div>
+{{- end }}
\ No newline at end of file
diff --git a/layouts/partials/post/post_footer.html b/layouts/partials/post/post_footer.html
index 4d9cedd..ccfd07c 100644
--- a/layouts/partials/post/post_footer.html
+++ b/layouts/partials/post/post_footer.html
@@ -10,6 +10,7 @@
 <div class="post-eof"></div>
 {{- else }}
 {{ partial "post/post_footer/tags.html" . }}
+{{ partial "_thirdparty/share/addthis.html" . }}
 <hr/>
 {{ partial "post/post_footer/reward.html" . }}
 {{ partial "post/post_footer/copyright.html" . }}