diff --git a/web/index.html b/web/index.html
index c6ab5dc..7dcecd5 100644
--- a/web/index.html
+++ b/web/index.html
@@ -7,7 +7,7 @@
     <link href="https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,700;0,900;1,400;1,700&family=Source+Serif+4:ital,wght@0,400;0,600;0,700;1,400&family=Noto+Serif+SC:wght@400;600;700;900&family=JetBrains+Mono:wght@400;500;700&family=Bebas+Neue&display=swap" rel="stylesheet" />
 
     <meta charset="utf-8" />
-    <link rel="icon" href="/logo.png" />
+    <link rel="icon" href="/logo.jpg" />
     <meta name="viewport" content="width=device-width, initial-scale=1" />
     <meta name="theme-color" content="#ffffff" />
     <meta name="description" content="Unified AI model gateway supporting OpenAI, Claude, Gemini and more." />
diff --git a/web/src/components/settings/OtherSetting.jsx b/web/src/components/settings/OtherSetting.jsx
index 037e727..ae172fe 100644
--- a/web/src/components/settings/OtherSetting.jsx
+++ b/web/src/components/settings/OtherSetting.jsx
@@ -270,7 +270,7 @@ const OtherSetting = () => {
         iconLink.rel = 'icon';
         document.head.appendChild(iconLink);
       }
-      iconLink.href = inputs.Logo || '/logo.png';
+      iconLink.href = inputs.Logo || '/logo.jpg';
       showSuccess('Logo 已更新');
     } catch (error) {
       console.error('Logo 更新失败', error);
diff --git a/web/src/helpers/utils.jsx b/web/src/helpers/utils.jsx
index e75e9d3..431a36c 100644
--- a/web/src/helpers/utils.jsx
+++ b/web/src/helpers/utils.jsx
@@ -149,7 +149,7 @@ export function getSystemName() {
 
 export function getLogo() {
   let logo = localStorage.getItem('logo');
-  if (!logo) return '/logo.png';
+  if (!logo) return '/logo.jpg';
   return logo;
 }