diff --git a/client/lib/screens/stats_page.dart b/client/lib/screens/stats_page.dart
index f7649ee..b9b319b 100644
--- a/client/lib/screens/stats_page.dart
+++ b/client/lib/screens/stats_page.dart
@@ -3,6 +3,8 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 
+import '../l10n/app_text.dart';
+import '../models/device_usage.dart';
 import '../models/usage_point.dart';
 import '../pangolin_theme.dart';
 import '../state/account_providers.dart';
@@ -74,7 +76,7 @@ class StatsPage extends ConsumerWidget {
                   style: PangolinText.display.copyWith(color: c.fg1, fontSize: 20, fontWeight: FontWeight.w700))
             else
               const SizedBox.shrink(),
-            _DeviceDropdown(label: t.allDevices),
+            _DeviceDropdown(t: t),
           ]),
           const SizedBox(height: 14),
           PeriodCard(period: t.periodMonth, metrics: metricsFor(30)),
@@ -129,16 +131,28 @@ class StatsPage extends ConsumerWidget {
   return ((bytes / mb).toStringAsFixed(1), 'MB');
 }
 
-/// 设备下拉(右上角):全部 + 近30天用过的设备名。
-/// 当前每设备归因未打通(usage_device_daily 常空),先只挂「全部」;
-/// 设备注册打通后(TODO #9/#10)填充设备名 + 按设备过滤。
-class _DeviceDropdown extends StatelessWidget {
-  const _DeviceDropdown({required this.label});
-  final String label;
+/// 统计页选中的设备(null = 全部;否则 device uuid)。第②层(按设备过滤卡/图)
+/// 待 per-device 每日曲线 API(#10)；本层先把下拉内容接成真实设备。
+final statsDeviceProvider = StateProvider<String?>((ref) => null);
+
+/// 设备下拉(右上角):「全部」+ 近 30 天有用量的真实设备名（来自 deviceUsageProvider）。
+/// 无每设备用量时只显示「全部」（稀疏，正常）。
+class _DeviceDropdown extends ConsumerWidget {
+  const _DeviceDropdown({required this.t});
+  final AppText t;
 
   @override
-  Widget build(BuildContext context) {
+  Widget build(BuildContext context, WidgetRef ref) {
     final c = context.pangolin;
+    final devices = ref.watch(deviceUsageProvider(30)).valueOrNull ?? const <DeviceUsage>[];
+    final selected = ref.watch(statsDeviceProvider);
+    String nameOf(String uuid) => devices
+        .firstWhere((d) => d.uuid == uuid, orElse: () => const DeviceUsage(uuid: '', name: '', platform: '', bytesUp: 0, bytesDown: 0, minutesUsed: 0))
+        .name;
+    final label = selected == null
+        ? t.allDevices
+        : (nameOf(selected).isNotEmpty ? nameOf(selected) : t.allDevices);
+
     return PopupMenuButton<String>(
       tooltip: '',
       offset: const Offset(0, 38),
@@ -147,8 +161,14 @@ class _DeviceDropdown extends StatelessWidget {
         borderRadius: BorderRadius.circular(PangolinRadius.md),
         side: BorderSide(color: c.border),
       ),
+      onSelected: (v) => ref.read(statsDeviceProvider.notifier).state = v.isEmpty ? null : v,
       itemBuilder: (_) => [
-        PopupMenuItem(value: '', child: Text(label, style: PangolinText.sm.copyWith(color: c.fg1))),
+        PopupMenuItem(value: '', child: Text(t.allDevices, style: PangolinText.sm.copyWith(color: c.fg1))),
+        for (final d in devices)
+          PopupMenuItem(
+            value: d.uuid,
+            child: Text(d.name.isNotEmpty ? d.name : d.platform, style: PangolinText.sm.copyWith(color: c.fg1)),
+          ),
       ],
       child: Container(
         padding: const EdgeInsets.fromLTRB(12, 6, 10, 6),