diff --git a/src/app/layout.tsx b/src/app/layout.tsx
index 2149a8e..3fce244 100644
--- a/src/app/layout.tsx
+++ b/src/app/layout.tsx
@@ -13,7 +13,7 @@ const inter = Inter({ subsets: ['latin'] });
 
 // 动态生成 metadata，支持配置更新后的标题变化
 export async function generateMetadata(): Promise<Metadata> {
-  let siteName = process.env.NEXT_PUBLIC_SITE_NAME;
+  let siteName = process.env.SITE_NAME;
   if (process.env.NEXT_PUBLIC_STORAGE_TYPE !== 'd1') {
     const config = await getConfig();
     siteName = config.SiteConfig.SiteName;
@@ -35,7 +35,7 @@ export default async function RootLayout({
 }: {
   children: React.ReactNode;
 }) {
-  let siteName = process.env.NEXT_PUBLIC_SITE_NAME || 'MoonTV';
+  let siteName = process.env.SITE_NAME || 'MoonTV';
   let announcement =
     process.env.ANNOUNCEMENT ||
     '本网站仅提供影视信息搜索服务，所有内容均来自第三方网站。本站不存储任何视频资源，不对任何内容的准确性、合法性、完整性负责。';