diff --git a/video-gen-app/index.html b/video-gen-app/index.html
index f103505c..1338c22b 100644
--- a/video-gen-app/index.html
+++ b/video-gen-app/index.html
@@ -3,6 +3,24 @@
   <head>
     <meta charset="UTF-8" />
     <link rel="icon" type="image/svg+xml" href="/favicon.svg" id="favicon" />
+    <script>
+      // 立即从 localStorage 设置 favicon，避免闪烁
+      (function() {
+        try {
+          var cached = localStorage.getItem('siteInfo');
+          if (cached) {
+            var info = JSON.parse(cached);
+            if (info.siteLogo) {
+              var base = import.meta.env?.VITE_API_BASE || '';
+              var fullUrl = info.siteLogo.startsWith('http') || info.siteLogo.startsWith('data:')
+                ? info.siteLogo
+                : base + (info.siteLogo.startsWith('/') ? '' : '/') + info.siteLogo;
+              document.getElementById('favicon').href = fullUrl;
+            }
+          }
+        } catch (e) {}
+      })();
+    </script>
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <link rel="preconnect" href="https://fonts.googleapis.com" />
     <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
