diff --git a/client/lib/state/account_providers.dart b/client/lib/state/account_providers.dart
index 1aea2af..8cf5fe0 100644
--- a/client/lib/state/account_providers.dart
+++ b/client/lib/state/account_providers.dart
@@ -89,6 +89,18 @@ class DevicesNotifier extends AsyncNotifier<List<Device>> {
     await future;
   }
 
+  /// 静默刷新(不闪 loading):重新拉列表、成功才替换。供设备页 ~15s 轮询,让其他设备的
+  /// 在线/状态变化 ~15s 内可见(配合服务端会话轮询刷 last_seen)。
+  Future<void> refresh() async {
+    if (!ref.read(authProvider).isLoggedIn) return;
+    try {
+      final list = await ref.read(accountApiProvider).devices();
+      state = AsyncData(list);
+    } catch (_) {
+      // 失败保留旧列表,不闪错。
+    }
+  }
+
   /// 强制退出(吊销该设备会话,设备保留)后刷新列表。
   Future<void> forceLogout(String uuid) async {
     await ref.read(accountApiProvider).forceLogout(uuid);
diff --git a/client/lib/widgets/account_screens.dart b/client/lib/widgets/account_screens.dart
index 9ac2a0e..c5b3903 100644
--- a/client/lib/widgets/account_screens.dart
+++ b/client/lib/widgets/account_screens.dart
@@ -2,6 +2,8 @@
 //
 // 文案全部经 AppText(l10n,单显)。套餐数字以 design/CLAUDE.md §7 为准。
 // App 内无任何支付表单——购买仅引导至外部渠道。
+import 'dart:async';
+
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 
@@ -162,7 +164,8 @@ class DevicesScreen extends ConsumerWidget {
           ]),
         );
 
-    return _SubScaffold(title: t.myDevices, onBack: onBack, embedded: embedded, child: content());
+    return _SubScaffold(
+        title: t.myDevices, onBack: onBack, embedded: embedded, child: _DevicesAutoRefresh(child: content()));
   }
 
   Widget _row(BuildContext context, WidgetRef ref, PangolinScheme c, Device d, bool isLocal, bool divider) {
@@ -493,3 +496,32 @@ class ContactScreen extends StatelessWidget {
     );
   }
 }
+
+/// 透传式轮询包装器:在设备页期间每 15s 静默刷新设备列表(不闪 loading),
+/// 让其他设备的在线/状态变化 ~15s 内可见。原样返回 child,不改布局。
+class _DevicesAutoRefresh extends ConsumerStatefulWidget {
+  const _DevicesAutoRefresh({required this.child});
+  final Widget child;
+  @override
+  ConsumerState<_DevicesAutoRefresh> createState() => _DevicesAutoRefreshState();
+}
+
+class _DevicesAutoRefreshState extends ConsumerState<_DevicesAutoRefresh> {
+  Timer? _poll;
+  @override
+  void initState() {
+    super.initState();
+    _poll = Timer.periodic(const Duration(seconds: 15), (_) {
+      if (mounted) ref.read(devicesProvider.notifier).refresh();
+    });
+  }
+
+  @override
+  void dispose() {
+    _poll?.cancel();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) => widget.child;
+}