diff --git a/index.html b/index.html
index 939a9c9..4a47d92 100644
--- a/index.html
+++ b/index.html
@@ -4,6 +4,7 @@
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>syui.ai</title>
+  <link rel="icon" href="/favicon.ico" sizes="any">
   <link rel="icon" href="/favicon.png" type="image/png">
   <link rel="stylesheet" href="/pkg/icomoon/style.css">
   <link rel="stylesheet" href="/src/styles/main.css">
diff --git a/scripts/generate.ts b/scripts/generate.ts
index 1623476..a2015d8 100644
--- a/scripts/generate.ts
+++ b/scripts/generate.ts
@@ -301,6 +301,7 @@ function generateHtml(title: string, content: string, config: AppConfig, assets:
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>${escapeHtml(title)} - ${escapeHtml(config.title)}</title>
+  <link rel="icon" href="/favicon.ico" sizes="any">
   <link rel="icon" href="/favicon.png" type="image/png">
   <link rel="stylesheet" href="/pkg/icomoon/style.css">
   <link rel="stylesheet" href="/assets/${assets.css}">
@@ -827,7 +828,7 @@ async function generate() {
   console.log('Generated: /404.html')
 
   // Copy static files
-  const filesToCopy = ['favicon.png', 'favicon.svg', 'config.json', 'networks.json', 'client-metadata.json', 'links.json']
+  const filesToCopy = ['favicon.ico', 'favicon.png', 'favicon.svg', 'config.json', 'networks.json', 'client-metadata.json', 'links.json']
   for (const file of filesToCopy) {
     const src = path.join(process.cwd(), 'public', file)
     const dest = path.join(distDir, file)