diff --git a/_layouts/default.html b/_layouts/default.html
index 9e319d5..efe82c2 100644
--- a/_layouts/default.html
+++ b/_layouts/default.html
@@ -1,70 +1,98 @@
 <!DOCTYPE html>
-<html lang="{{ site.lang | default: "en-US" }}">
-  <head>
-    <meta charset="UTF-8">
-
-{% seo %}
-    <link rel="icon" href="{{site.github.owner_gravatar_url}}" type="image/x-icon">
-    <link rel="preconnect" href="https://fonts.gstatic.com">
-    <link rel="preload" href="https://fonts.googleapis.com/css?family=Open+Sans:400,700&display=swap" as="style" type="text/css" crossorigin>
-    <meta name="viewport" content="width=device-width, initial-scale=1">
-    <meta name="theme-color" content="#157878">
-    <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
-    <link rel="stylesheet" href="{{ '/assets/css/style.css?v=' | append: site.github.build_revision | relative_url }}">
-    {% include head-custom.html %}
-
-    <link rel="stylesheet" type="text/css" href="./go-to-top.css">
-    
-
-  </head>
-  <body>
-    <a id="skip-to-content" href="#content">Skip to the content.</a>
-
-    <header class="page-header" role="banner">
-      <h1 class="project-name">{{ page.title | default: site.title | default: site.github.repository_name }}</h1>
-      <h2 class="project-tagline">{{ page.description | default: site.description | default: site.github.project_tagline }}</h2>
+<html lang="{{ site.lang | default: " en-US" }}">
+
+<head>
+  <meta charset="UTF-8">
+
+  {% seo %}
+  <link rel="icon" href="{{site.github.owner_gravatar_url}}" type="image/x-icon">
+  <link rel="preconnect" href="https://fonts.gstatic.com">
+  <link rel="preload" href="https://fonts.googleapis.com/css?family=Open+Sans:400,700&display=swap" as="style"
+    type="text/css" crossorigin>
+  <meta name="viewport" content="width=device-width, initial-scale=1">
+  <meta name="theme-color" content="#157878">
+  <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
+  <link rel="stylesheet" href="{{ '/assets/css/style.css?v=' | append: site.github.build_revision | relative_url }}">
+  {% include head-custom.html %}
+
+  <link rel="stylesheet" type="text/css" href="./go-to-top.css">
+
+
+</head>
+
+<body>
+  <a id="skip-to-content" href="#content">Skip to the content.</a>
+
+  <header class="page-header" role="banner">
+    <h1 class="project-name">{{ page.title | default: site.title | default: site.github.repository_name }}</h1>
+    <h2 class="project-tagline">{{ page.description | default: site.description | default: site.github.project_tagline
+      }}</h2>
+    {% if site.github.is_project_page %}
+    <a href="{{ site.github.url }}" class="btn">Back To HomePage</a>
+    {% endif %}
+    {% if site.show_downloads %}
+    <a href="{{ site.github.zip_url }}" class="btn">Download .zip</a>
+    <a href="{{ site.github.tar_url }}" class="btn">Download .tar.gz</a>
+    {% endif %}
+  </header>
+
+  <main id="content" class="main-content" role="main">
+    <div class="goTop">
+      <a href="#" class="goTopBtn jq-goTop">
+        <i class="fas fa-arrow-alt-circle-up fa-3x"></i>
+      </a>
+    </div>
+
+    {{ content }}
+
+    <footer class="site-footer">
       {% if site.github.is_project_page %}
-        <a href="{{ site.github.url }}" class="btn">Back To HomePage</a>
-      {% endif %}
-      {% if site.show_downloads %}
-        <a href="{{ site.github.zip_url }}" class="btn">Download .zip</a>
-        <a href="{{ site.github.tar_url }}" class="btn">Download .tar.gz</a>
+      <span class="site-footer-owner"><a href="{{ site.github.repository_url }}">{{ site.github.repository_name }}</a>
+        is maintained by <a href="{{ site.github.owner_url }}">{{ site.github.owner_name }}</a>.</span>
       {% endif %}
-    </header>
-
-    <main id="content" class="main-content" role="main">
-      <div class="goTop">
-        <a href="#" class="goTopBtn jq-goTop">
-          <i class="fas fa-arrow-alt-circle-up fa-3x"></i>
-        </a>
-      </div>
-
-      {{ content }}
-
-      <footer class="site-footer">
-        {% if site.github.is_project_page %}
-          <span class="site-footer-owner"><a href="{{ site.github.repository_url }}">{{ site.github.repository_name }}</a> is maintained by <a href="{{ site.github.owner_url }}">{{ site.github.owner_name }}</a>.</span>
-        {% endif %}
-        <span class="site-footer-credits">This page was generated by <a href="https://pages.github.com">GitHub Pages</a>.</span>
-      </footer>
-    </main>
-  </body>
-
-  <script type="module">
-    import mermaid from 'https://cdn.jsdelivr.net/npm/mermaid@10.0.2/+esm';
-    mermaid.initialize({ startOnLoad: false });
-    await mermaid.run({
-      querySelector: '.language-mermaid',
+      <span class="site-footer-credits">This page was generated by <a href="https://pages.github.com">GitHub
+          Pages</a>.</span>
+    </footer>
+  </main>
+</body>
+
+<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
+<script type="module">
+  import mermaid from 'https://cdn.jsdelivr.net/npm/mermaid@10.0.2/+esm';
+  mermaid.initialize({ startOnLoad: false });
+  await mermaid.run({
+    querySelector: '.language-mermaid',
+  });
+
+  $(function () {
+    // close效果
+    $(".jq-adClose").click(function (event) {
+      /* Act on the event */
+      event.preventDefault();
+      $(".adBox").fadeOut();
+    });
+
+    $(window).scroll(function () {
+      if ($(window).scrollTop() > 200) {
+        if ($(".goTop").hasClass("hide")) {
+          $(".goTop").toggleClass("hide");
+        }
+      } else {
+        $(".goTop").addClass("hide");
+      }
     });
 
     $(".jq-goTop").click(function (e) {
       e.preventDefault();
       $("html,body").animate(
-        { 
-          scrollTop: 0,
+        {
+          scrollTop: 0
         },
         600
       );
     });
-  </script>
+  });
+
+</script>
+
 </html>
\ No newline at end of file
diff --git a/_layouts/go-to-top.css b/_layouts/go-to-top.css
index 22d359f..3589b5a 100644
--- a/_layouts/go-to-top.css
+++ b/_layouts/go-to-top.css
@@ -2,6 +2,13 @@
     position: fixed;
     right: 10px;
     bottom: 10px;
+    /* 圖示水平移動位置 */
+    transform: translateX(0);
+    transition: transform 0.2s;
+    /* 圖示隱藏 */
+    &.hide {
+      transform: translateX(120%);
+    } 
     .goTopBtn {
       background-color: transparent;
       border: none;
@@ -11,4 +18,5 @@
         color: #3d82ad;
       }
     }
-}
\ No newline at end of file
+}
+
