diff --git a/write-server/src/app/login/page.tsx b/write-server/src/app/login/page.tsx
index 89d696b2..70459b91 100644
--- a/write-server/src/app/login/page.tsx
+++ b/write-server/src/app/login/page.tsx
@@ -74,8 +74,8 @@ export default function LoginPage() {
   };
 
   return (
-    <div className="min-h-screen flex items-center justify-center bg-bg">
-      <div className="bg-surface rounded-2xl shadow-lg p-10 w-full max-w-sm">
+    <div className="fixed inset-0 z-50 flex items-center justify-center bg-bg">
+      <div className="bg-surface rounded-2xl shadow-lg p-10 w-full max-w-sm mx-4">
         <h1 className="text-xl font-bold text-accent mb-1">写作后台</h1>
         <p className="text-[13px] text-muted mb-8">优世界 · Blog Admin</p>