diff --git a/404.html b/404.html
index 817265a..9a38220 100644
--- a/404.html
+++ b/404.html
@@ -26,7 +26,7 @@
 	<div class="main container">
 		<a href="//github.com/PJ-568/568_Calc" target="_blank" class="github-corner"><svg width="80" height="80" viewBox="0 0 250 250" style="fill:#795548; color:#101010; position: absolute; top: 0; border: 0; right: 0;"><path d="M0,0 L115,115 L130,115 L142,142 L250,250 L250,0 Z"></path><path d="M128.3,109.0 C113.8,99.7 119.0,89.6 119.0,89.6 C122.0,82.7 120.5,78.6 120.5,78.6 C119.2,72.0 123.4,76.3 123.4,76.3 C127.3,80.9 125.5,87.3 125.5,87.3 C122.9,97.6 130.6,101.9 134.4,103.2" fill="currentColor" style="transform-origin: 130px 106px;" class="octo-arm"></path><path d="M115.0,115.0 C114.9,115.1 118.7,116.5 119.8,115.4 L133.7,101.6 C136.9,99.2 139.9,98.4 142.2,98.6 C133.8,88.0 127.5,74.4 143.8,58.0 C148.5,53.4 154.0,51.2 159.7,51.0 C160.3,49.4 163.2,43.6 171.4,40.1 C171.4,40.1 176.1,42.5 178.8,56.2 C183.1,58.6 187.2,61.8 190.9,65.4 C194.5,69.0 197.7,73.2 200.1,77.6 C213.8,80.2 216.3,84.9 216.3,84.9 C212.7,93.1 206.9,96.0 205.4,96.6 C205.1,102.4 203.0,107.8 198.3,112.5 C181.9,128.9 168.3,122.5 157.7,114.1 C157.9,116.9 156.7,120.9 152.7,124.9 L141.0,136.5 C139.8,137.7 141.6,141.9 141.8,141.8 Z" fill="currentColor" class="octo-body"></path></svg></a>
 
-		<a href="/"><p align="center"><img alt="Hamud language" src="assets/favicon.svg" width="40%" style="max-width:256px"/></p></a>
+		<a href="/"><p align="center"><img alt="568_Calc" src="assets/favicon.svg" width="40%" style="max-width:256px"/></p></a>
 
 		<h1 class="notTranslate">404</h1>
 		<p>未找到相应信息，或许您应该尝试返回主页。</p>
diff --git a/footer.html b/footer.html
index 442c602..ebe93ae 100644
--- a/footer.html
+++ b/footer.html
@@ -1,3 +1,3 @@
 <footer class="footer">
-    <!-- <a href="//icp.gov.moe/?keyword=2023XXXX" target="_blank">萌 ICP 备 2023XXXX 号</a>、 -->
+    <a href="//icp.gov.moe/?keyword=20230791" target="_blank">萌 ICP 备 20230791 号</a>、
     <a href="//status.pj568.eu.org/" target="_blank">网站状态</a></footer>
\ No newline at end of file
diff --git a/index.html b/index.html
index 889262d..995d16b 100644
--- a/index.html
+++ b/index.html
@@ -26,7 +26,7 @@
 	<div class="main container">
 		<a href="//github.com/PJ-568/568_Calc" target="_blank" class="github-corner"><svg width="80" height="80" viewBox="0 0 250 250" style="fill:#795548; color:#101010; position: absolute; top: 0; border: 0; right: 0;"><path d="M0,0 L115,115 L130,115 L142,142 L250,250 L250,0 Z"></path><path d="M128.3,109.0 C113.8,99.7 119.0,89.6 119.0,89.6 C122.0,82.7 120.5,78.6 120.5,78.6 C119.2,72.0 123.4,76.3 123.4,76.3 C127.3,80.9 125.5,87.3 125.5,87.3 C122.9,97.6 130.6,101.9 134.4,103.2" fill="currentColor" style="transform-origin: 130px 106px;" class="octo-arm"></path><path d="M115.0,115.0 C114.9,115.1 118.7,116.5 119.8,115.4 L133.7,101.6 C136.9,99.2 139.9,98.4 142.2,98.6 C133.8,88.0 127.5,74.4 143.8,58.0 C148.5,53.4 154.0,51.2 159.7,51.0 C160.3,49.4 163.2,43.6 171.4,40.1 C171.4,40.1 176.1,42.5 178.8,56.2 C183.1,58.6 187.2,61.8 190.9,65.4 C194.5,69.0 197.7,73.2 200.1,77.6 C213.8,80.2 216.3,84.9 216.3,84.9 C212.7,93.1 206.9,96.0 205.4,96.6 C205.1,102.4 203.0,107.8 198.3,112.5 C181.9,128.9 168.3,122.5 157.7,114.1 C157.9,116.9 156.7,120.9 152.7,124.9 L141.0,136.5 C139.8,137.7 141.6,141.9 141.8,141.8 Z" fill="currentColor" class="octo-body"></path></svg></a>
 
-		<a href="/"><p align="center"><img alt="Hamud language" src="assets/favicon.svg" width="40%" style="max-width:256px"/></p></a>
+		<a href="/"><p align="center"><img alt="568_Calc" src="assets/favicon.svg" width="40%" style="max-width:256px"/></p></a>
 
 		<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>