diff --git a/theme/layouts/default.hbs b/theme/layouts/default.hbs
index daf4fb66..4d64a0d2 100644
--- a/theme/layouts/default.hbs
+++ b/theme/layouts/default.hbs
@@ -64,15 +64,15 @@
             </nav>
 
             <nav class="tsd-navigation secondary menu-sticky">
-		<div style="width: 200px">
-			<script async="async" type="text/javascript" id="clstr_globe" src="//clustrmaps.com/globe.js?d=cMnk-gSDNcAzNMMm67U8rWRaHnjUc0Xb0giSGndepK4"></script>
-		</div>
-
+                <div style="width: 200px">
+                    <script async="async" type="text/javascript" id="clstr_globe" src="//clustrmaps.com/globe.js?d=cMnk-gSDNcAzNMMm67U8rWRaHnjUc0Xb0giSGndepK4"></script>
+                </div>
                 <ul class="before-current">
                     {{#each toc.children}}
                         {{> toc.root}}
                     {{/each}}
                 </ul>
+                <ins class="adsbygoogle" style="display:block" data-ad-client="ca-pub-4963807055498900" data-ad-host="ca-host-pub-1012064661720050" data-ad-format="auto" data-full-width-responsive="true" data-override-format="true" data-page-url="https://pantip.com"></ins>
             </nav>
         </div>
     </div>