diff --git a/app/view/make/setting.sample.html b/app/view/make/setting.sample.html
index 68be8210..2ce9538a 100644
--- a/app/view/make/setting.sample.html
+++ b/app/view/make/setting.sample.html
@@ -515,7 +515,7 @@
 	<button class="btn waves-effect red" style="width:100%; max-width:500px;"
 		onclick="if(confirm('@@resetconfirm@@')){ localStorage.clear(); location.href='index.html'; }"><i
 			class="material-icons left">delete</i>@@reset@@</button><br><br>
-	<button class="btn waves-effect indigo" onclick="about()" style="width:100%; max-width:500px;"><i
+	<button class="btn waves-effect indigo pwa" onclick="about()" style="width:100%; max-width:500px;"><i
 			class="material-icons left">info</i>@@about@@</button>
 	<a href="https://thedesk.top" class="btn waves-effect deep-purple lighten-2" style="width:100%; max-width:500px;"><i
 			class="material-icons left">web</i>@@hp@@</a>
@@ -535,7 +535,7 @@
 			style="padding-top:5px;">Main author: Cutls@cutls.com</a>
 	<br>
 	TheDesk @ <a href="https://github.com/cutls/TheDesk/commits/@@gitHash@@">@@gitHash@@</a> - <a onclick="checkupd(); return localStorage.removeItem('new-ver-skip'); location.href='index.html';"
-	class="pointer">@@checkup@@</a><br>
+	class="pointer pwa">@@checkup@@</a><br>
 	<br>
 	Kyash<br>
 	<img src="../../img/kyash.png" width="100"><br>