diff --git a/index.html b/index.html
index 1560e55..4dd2cfa 100644
--- a/index.html
+++ b/index.html
@@ -79,7 +79,7 @@
 </head>
 <body>
   <!-- 添加标题 -->
-  <h2>Docker 镜像加速（多种仓库）</h2>
+  <h1>Docker 镜像加速（多种仓库）</h1>
 
   <div class="domain-container">
     <div class="domain-item">
