diff --git a/src/components/layout/Header.tsx b/src/components/layout/Header.tsx
index ec76ce0..de7cc30 100644
--- a/src/components/layout/Header.tsx
+++ b/src/components/layout/Header.tsx
@@ -7,7 +7,7 @@ export function Header() {
     <header className="flex h-14 items-center justify-between border-b bg-background px-6">
       <div />
       <div className="flex items-center gap-3 text-sm text-muted-foreground">
-        <span>管理员: {admin?.id ?? "admin"}</span>
+        <span>管理员: {admin?.username ?? "admin"}</span>
       </div>
     </header>
   )