diff --git a/ui/homepage/app/login/LoginContent.tsx b/ui/homepage/app/login/LoginContent.tsx
index 683ed65..51b60e1 100644
--- a/ui/homepage/app/login/LoginContent.tsx
+++ b/ui/homepage/app/login/LoginContent.tsx
@@ -73,7 +73,10 @@ export default function LoginContent({ children }: LoginContentProps) {
       successMessages.push(alerts.registered)
     }
     if (setupMfaParam === '1') {
-      successMessages.push(alerts.mfa.setupRequired)
+      const setupRequiredMessage = alerts.mfa?.setupRequired ?? alerts.genericError
+      if (setupRequiredMessage) {
+        successMessages.push(setupRequiredMessage)
+      }
     }
 
     if (successMessages.length > 0) {
diff --git a/ui/homepage/i18n/translations.ts b/ui/homepage/i18n/translations.ts
index d4da591..f2cab8d 100644
--- a/ui/homepage/i18n/translations.ts
+++ b/ui/homepage/i18n/translations.ts
@@ -165,6 +165,7 @@ type AuthLoginTranslation = {
     passwordPlaceholder: string
     remember: string
     submit: string
+    submitting?: string
     mfa: {
       mode: string
       passwordOnly: string
@@ -232,6 +233,12 @@ type UserCenterMfaTranslation = {
   subtitle: string
   pendingHint: string
   enabledHint: string
+  summary: {
+    description: string
+    statusLabel: string
+    manage: string
+    bind: string
+  }
   generate: string
   regenerate: string
   secretLabel: string
@@ -267,6 +274,16 @@ type UserCenterMfaTranslation = {
     docsUrl: string
     setup: string
   }
+  modal: {
+    title: string
+    close: string
+  }
+  disable: {
+    title: string
+    description: string
+    action: string
+    confirming: string
+  }
   error: string
 }
 
@@ -317,16 +334,17 @@ export type Translation = {
     title: string
     description: string
     usernameLabel: string
-  passwordLabel: string
-  submit: string
-  success: string
-  goHome: string
-  missingUsername: string
-  missingPassword: string
-  missingTotp?: string
-  invalidCredentials: string
-  userNotFound: string
-  genericError: string
+    passwordLabel: string
+    submit: string
+    success: string
+    goHome: string
+    missingUsername: string
+    missingPassword: string
+    missingTotp?: string
+    invalidCredentials: string
+    userNotFound: string
+    genericError: string
+    serviceUnavailable?: string
     disclaimer: string
   }
   termsTitle: string
@@ -410,6 +428,7 @@ export const translations: Record<'en' | 'zh', Translation> = {
       invalidCredentials: 'Incorrect username or password. Please try again.',
       userNotFound: 'We could not find an account with that username.',
       genericError: 'We could not sign you in. Please try again later.',
+      serviceUnavailable: 'The account service is temporarily unavailable. Please try again shortly.',
       disclaimer: 'This demo login keeps your username in memory only to personalize navigation while you browse.',
     },
     termsTitle: 'Terms of Service',
@@ -774,6 +793,7 @@ export const translations: Record<'en' | 'zh', Translation> = {
       invalidCredentials: '用户名或密码不正确，请重试。',
       userNotFound: '未找到该用户名对应的账户。',
       genericError: '登录失败，请稍后再试。',
+      serviceUnavailable: '账户服务暂时不可用，请稍后再试。',
       disclaimer: '此演示登录仅会在浏览期间保留用户名，以便展示个性化的导航体验。',
     },
     termsTitle: '服务条款',
diff --git a/ui/homepage/next.config.js b/ui/homepage/next.config.js
index 7ddd665..49216e9 100644
--- a/ui/homepage/next.config.js
+++ b/ui/homepage/next.config.js
@@ -50,7 +50,6 @@ const nextConfig = {
   reactStrictMode: true,
   compress: false, // 压缩交给 Nginx，省 Node CPU
   images: { unoptimized: true }, // 关闭服务端图片处理
-  featureToggles,
   webpack(config) {
     config.module.rules.push({
       test: /\.ya?ml$/i,
@@ -66,11 +65,5 @@ const nextConfig = {
       },
     ]
   },
-  publicRuntimeConfig: {
-    featureToggles,
-  },
 }
-
-nextConfig.isFeatureEnabled = isFeatureEnabled
-
 module.exports = nextConfig