diff --git a/frontend/src/components/account/SyncFromCrsModal.vue b/frontend/src/components/account/SyncFromCrsModal.vue
index d1f75fc7..9d902010 100644
--- a/frontend/src/components/account/SyncFromCrsModal.vue
+++ b/frontend/src/components/account/SyncFromCrsModal.vue
@@ -11,7 +11,10 @@
         {{ t('admin.accounts.syncFromCrsDesc') }}
       </div>
       <div class="text-xs text-gray-500 dark:text-dark-400 bg-gray-50 dark:bg-dark-700/60 rounded-lg p-3">
-        已有账号仅同步 CRS 返回的字段，缺失字段保持原值；凭据按键合并，不会清空未下发的键；未勾选“同步代理”时保留原有代理。
+        已有账号仅同步 CRS 返回的字段，缺失字段保持原值；凭据按键合并，不会清空未下发的键；未勾选"同步代理"时保留原有代理。
+      </div>
+      <div class="text-xs text-amber-600 dark:text-amber-400 bg-amber-50 dark:bg-amber-900/20 border border-amber-200 dark:border-amber-800 rounded-lg p-3">
+        {{ t('admin.accounts.crsVersionRequirement') }}
       </div>
 
       <div class="grid grid-cols-1 gap-4">
diff --git a/frontend/src/i18n/locales/en.ts b/frontend/src/i18n/locales/en.ts
index 884b5fcc..1e982fe2 100644
--- a/frontend/src/i18n/locales/en.ts
+++ b/frontend/src/i18n/locales/en.ts
@@ -697,6 +697,7 @@ export default {
       syncFromCrsTitle: 'Sync Accounts from CRS',
       syncFromCrsDesc:
         'Sync accounts from claude-relay-service (CRS) into this system (CRS is called server-to-server).',
+      crsVersionRequirement: '⚠️ Note: CRS version must be ≥ v1.1.240 to support this feature',
       crsBaseUrl: 'CRS Base URL',
       crsBaseUrlPlaceholder: 'e.g. http://127.0.0.1:3000',
       crsUsername: 'Username',
diff --git a/frontend/src/i18n/locales/zh.ts b/frontend/src/i18n/locales/zh.ts
index 239a0661..6e6d1759 100644
--- a/frontend/src/i18n/locales/zh.ts
+++ b/frontend/src/i18n/locales/zh.ts
@@ -785,6 +785,7 @@ export default {
       syncFromCrsTitle: '从 CRS 同步账号',
       syncFromCrsDesc:
         '将 claude-relay-service（CRS）中的账号同步到当前系统（不会在浏览器侧直接请求 CRS）。',
+      crsVersionRequirement: '⚠️ 注意：CRS 版本必须 ≥ v1.1.240 才支持此功能',
       crsBaseUrl: 'CRS 服务地址',
       crsBaseUrlPlaceholder: '例如：http://127.0.0.1:3000',
       crsUsername: '用户名',