diff --git a/index.html b/index.html
index 995d16b..6da9526 100644
--- a/index.html
+++ b/index.html
@@ -30,6 +30,8 @@
 
 		<h1 class="notTranslate">568_Calc</h1>
 		<p>568_Calc 是一个简单的多平台支持的计算器。</p>
+		<button onclick="window.location.href='//github.com/PJ-568/568_Calc'" class="btn btn-warning btn-ghost">在 Github 上查看</button>
+		<button onclick="window.location.href='//gitee.com/PJ-568/568_Calc'" class="btn btn-success btn-ghost">在 Gitee 上查看</button>
 
 		<!-- <h2>应用程序</h2>
 		<p>点击可下载对应应用程序。</p>
diff --git a/sitemap.xml b/sitemap.xml
index cf93149..233ac3d 100644
--- a/sitemap.xml
+++ b/sitemap.xml
@@ -2,14 +2,14 @@
 <urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
 <url>
 <loc>https://Calc.pj568.eu.org/</loc>
-<lastmod>2023-10-16T17:54:53+08:00</lastmod>
+<lastmod>2023-10-16T10:04:22+00:00</lastmod>
 </url>
 <url>
 <loc>https://Calc.pj568.eu.org/404.html</loc>
-<lastmod>2023-10-16T17:54:53+08:00</lastmod>
+<lastmod>2023-10-16T10:04:22+00:00</lastmod>
 </url>
 <url>
 <loc>https://Calc.pj568.eu.org/footer.html</loc>
-<lastmod>2023-10-16T17:54:53+08:00</lastmod>
+<lastmod>2023-10-16T10:04:22+00:00</lastmod>
 </url>
 </urlset>