diff --git a/example/lib/global.dart b/example/lib/global.dart
index 01727b9..122a577 100755
--- a/example/lib/global.dart
+++ b/example/lib/global.dart
@@ -13,6 +13,9 @@ final ValueNotifier<String?> appPeerId = ValueNotifier<String?>(null);
 final ValueNotifier<bool> videoTalkReady = ValueNotifier<bool>(false);
 final ValueNotifier<bool> videoTalkInitializing = ValueNotifier<bool>(false);
 
+// 最近一次成功完成 Wi-Fi 配网的锁 ID；远程开锁只对该锁开放。
+final ValueNotifier<int?> wifiConfiguredLockId = ValueNotifier<int?>(null);
+
 // lock.skychip.top 授权登录返回的动态 token，仅用于 WiFi 网关配网。
 // 它与 cloud.skychip.top 的 OAuth token 属于不同认证域。
 final ValueNotifier<String?> lockServiceAccessToken =
diff --git a/example/lib/l10n.dart b/example/lib/l10n.dart
index db51259..84aa4d2 100755
--- a/example/lib/l10n.dart
+++ b/example/lib/l10n.dart
@@ -82,6 +82,12 @@ class S {
   static String get notPaired => isEn ? 'Not Paired' : '未配对';
   static String get btnOpen => isEn ? 'Open' : '开锁';
   static String get btnClose => isEn ? 'Close' : '关锁';
+  static String get btnDeleteLock => isEn ? 'Delete lock' : '删除锁';
+  static String get confirmDeleteLockTitle =>
+      isEn ? 'Delete lock' : '删除锁';
+  static String get confirmDeleteLockMessage => isEn
+      ? 'This removes the lock from the account and resets its local binding. Continue?'
+      : '此操作会从当前账号删除该锁，并重置锁端绑定信息，确定继续吗？';
 
   // WiFi Tab
   static String get wifiTitle => isEn ? 'WiFi Config' : 'WiFi配网';
@@ -119,6 +125,33 @@ class S {
   static String get btnAccept => isEn ? 'Accept' : '接听';
   static String get btnReject => isEn ? 'Reject' : '拒绝';
   static String get btnHangup => isEn ? 'Hang up' : '挂断';
+  static String get btnRemoteUnlock =>
+      isEn ? 'Remote unlock' : '远程开锁';
+  static String get confirmRemoteUnlockTitle =>
+      isEn ? 'Confirm remote unlock' : '确认远程开锁';
+  static String get confirmRemoteUnlockMessage => isEn
+      ? 'Make sure it is safe to unlock the door.'
+      : '请确认现场安全后再远程开锁。';
+  static String get remoteUnlockUnavailable => isEn
+      ? 'The lock service reports remote unlock as unsupported or disabled. Enable remote unlock for this lock, then refresh its details and try again.'
+      : '云端锁详情显示不支持或未开启远程开锁。请在锁端/管理端开启该锁的远程开锁权限，刷新锁详情后重试。';
+  static String get remoteUnlockNeedsGateway => isEn
+      ? 'This lock is not connected to a gateway for remote unlock.'
+      : '该锁未绑定网关，无法使用网关远程开锁。';
+  static String get remoteUnlockPeerUnavailable => isEn
+      ? 'The lock peer is missing or does not match the active video call.'
+      : '未获取到与本次视频通话匹配的锁 Peer，无法透传开锁。';
+  static String get remoteUnlockNeedsOnline => isEn
+      ? 'The lock is offline. Remote unlock is unavailable.'
+      : '该锁当前离线，暂时无法远程开锁。';
+  static String get remoteUnlockNeedsLogin => isEn
+      ? 'Please sign in on the Login tab first.'
+      : '请先在登录页完成锁服务账号登录。';
+  static String get remoteUnlockNeedsWifi => isEn
+      ? 'Complete Wi-Fi setup for this lock before remote unlock.'
+      : '请先完成当前锁的 Wi-Fi 配置，再使用远程开锁。';
+  static String get remoteUnlockSuccess =>
+      isEn ? 'Remote unlock request succeeded.' : '远程开锁请求成功。';
   static String get btnMonitor => isEn ? 'Monitor' : '监控';
   static String get logTalkReady => isEn ? 'Talk Ready' : '视频对讲就绪';
   static String get deviceIdLabel => isEn ? 'Device ID' : '设备ID';
diff --git a/example/lib/tabs/device_scan_tab.dart b/example/lib/tabs/device_scan_tab.dart
index c05b8ca..79105b2 100755
--- a/example/lib/tabs/device_scan_tab.dart
+++ b/example/lib/tabs/device_scan_tab.dart
@@ -63,6 +63,7 @@ class _DeviceScanTabState extends State<DeviceScanTab> {
       final lock = await StarCloudClient.instance.device
           .pairDevice(scanResult: _devices[idx]);
       // 更新 ValueNotifier 的值
+      wifiConfiguredLockId.value = null;
       pairedLockId.value = lock.lockId;
       pairedLock.value = lock;
 
@@ -121,6 +122,7 @@ class _DeviceScanTabState extends State<DeviceScanTab> {
                     label: Text('${S.pairedStatus}: #$id'),
                     backgroundColor: Colors.green.shade50,
                     onDeleted: () {
+                      wifiConfiguredLockId.value = null;
                       pairedLockId.value = null;
                       pairedLock.value = null;
                     },
diff --git a/example/lib/tabs/lock_control_tab.dart b/example/lib/tabs/lock_control_tab.dart
index 3ea6139..5d81dc5 100755
--- a/example/lib/tabs/lock_control_tab.dart
+++ b/example/lib/tabs/lock_control_tab.dart
@@ -34,6 +34,50 @@ class _LockControlTabState extends State<LockControlTab> {
     }
   }
 
+  Future<void> _deleteLock() async {
+    final id = pairedLockId.value;
+    if (id == null || _loading) return;
+    final confirmed = await showDialog<bool>(
+      context: context,
+      builder: (dialogContext) => AlertDialog(
+        title: Text(S.confirmDeleteLockTitle),
+        content: Text(S.confirmDeleteLockMessage),
+        actions: [
+          TextButton(
+            onPressed: () => Navigator.of(dialogContext).pop(false),
+            child: Text(S.isEn ? 'Cancel' : '取消'),
+          ),
+          ElevatedButton(
+            style: ElevatedButton.styleFrom(
+              backgroundColor: Colors.red,
+              foregroundColor: Colors.white,
+            ),
+            onPressed: () => Navigator.of(dialogContext).pop(true),
+            child: Text(S.btnDeleteLock),
+          ),
+        ],
+      ),
+    );
+    if (confirmed != true || !mounted) return;
+
+    final label = S.btnDeleteLock;
+    _log_('$label...');
+    setState(() => _loading = true);
+    try {
+      await StarCloudClient.instance.device.resetLock(lockId: id);
+      wifiConfiguredLockId.value = null;
+      pairedLockId.value = null;
+      pairedLock.value = null;
+      final result = S.isEn ? "Success" : "成功";
+      _log_('$result: $label');
+    } catch (e) {
+      final result = S.isEn ? "Failed" : "失败";
+      _log_('$result: $e');
+    } finally {
+      if (mounted) setState(() => _loading = false);
+    }
+  }
+
   @override
   Widget build(BuildContext context) {
     // 监听语言切换通知
@@ -76,6 +120,16 @@ class _LockControlTabState extends State<LockControlTab> {
                       ),
                     ],
                   ),
+                  const SizedBox(height: 12),
+                  ElevatedButton.icon(
+                    onPressed: id == null || _loading ? null : _deleteLock,
+                    icon: const Icon(Icons.delete_forever),
+                    label: Text(S.btnDeleteLock),
+                    style: ElevatedButton.styleFrom(
+                      foregroundColor: Colors.red,
+                      side: const BorderSide(color: Colors.red),
+                    ),
+                  ),
                   const SizedBox(height: 16),
                   LogArea(log: _log),
                 ],
diff --git a/example/lib/tabs/video_talk_tab.dart b/example/lib/tabs/video_talk_tab.dart
index f07f675..21ef3c1 100755
--- a/example/lib/tabs/video_talk_tab.dart
+++ b/example/lib/tabs/video_talk_tab.dart
@@ -1,6 +1,8 @@
 import 'dart:async';
 import 'dart:typed_data';
 import 'package:flutter/material.dart';
+import 'package:flutter_pcm_sound/flutter_pcm_sound.dart';
+import 'package:starcloud/entity/star_cloud_lock_list.dart';
 import 'package:flutter_sdk/starcloud_flutter_sdk.dart';
 import 'package:video_decode_plugin/video_decode_plugin.dart';
 import '../l10n.dart';
@@ -16,16 +18,13 @@ class VideoTalkTab extends StatefulWidget {
 }
 
 class _VideoTalkTabState extends State<VideoTalkTab> {
-  // 与参考项目保持一致：为 UDP 帧保留一个很短的乱序窗口，避免 P 帧
-  // 在前序帧尚未到达时被过早提交给解码器。
+
   static const _maxVideoReorderDistance = 3;
   static const _videoReorderWait = Duration(milliseconds: 15);
 
-  // 参考锁端原生 App：主动“监控”只请求 H264 视频。部分固件在首个
-  // TalkExpect 同时携带 G711 音频时不会回复协商包，最终导致请求超时。
   static const TalkOptions _monitorOptions = TalkOptions(
     preferredVideoTypes: [VideoTypeE.H264],
-    preferredAudioTypes: [],
+    preferredAudioTypes: [AudioTypeE.G711],
   );
 
   final List<String> _log = [];
@@ -39,6 +38,9 @@ class _VideoTalkTabState extends State<VideoTalkTab> {
   bool _decoderReady = false;
   Future<bool>? _decoderInitFuture;
   bool _frameRendered = false;
+  bool _remoteUnlocking = false;
+  int? _videoLockId;
+  int? _videoLockCloudUid;
   int _videoCount = 0;
   int _videoWidth = 640;
   int _videoHeight = 480;
@@ -56,6 +58,11 @@ class _VideoTalkTabState extends State<VideoTalkTab> {
   bool _isCallMode = false;
   bool _preparingMonitor = false;
   Timer? _videoFrameTimeoutTimer;
+  bool _audioReady = false;
+  Future<void>? _audioInitFuture;
+  Future<void> _audioQueue = Future<void>.value();
+  int _audioPacketCount = 0;
+  int _audioGeneration = 0;
 
   StreamSubscription? _callSub;
   StreamSubscription? _statusSub;
@@ -85,6 +92,7 @@ class _VideoTalkTabState extends State<VideoTalkTab> {
     _videoProcessTimer?.cancel();
     _videoFrameTimeoutTimer?.cancel();
     _videoBuffer.clear();
+    unawaited(_stopAudio());
     VideoDecodePlugin.setOnMissingSpsPpsListener(() {});
     _releaseDecoder();
     pairedLock.removeListener(_onPairedLockChanged);
@@ -101,6 +109,8 @@ class _VideoTalkTabState extends State<VideoTalkTab> {
           _call = e;
           _status = TalkStatus.incomingCall;
           _activeLockPeerId = e.lockPeerId;
+          _videoLockId = pairedLock.value?.lockId;
+          _videoLockCloudUid = pairedLock.value?.cloudUid;
         });
     });
 
@@ -131,9 +141,16 @@ class _VideoTalkTabState extends State<VideoTalkTab> {
               e.status == TalkStatus.hangup ||
               e.status == TalkStatus.timeout ||
               e.status == TalkStatus.rejected) {
+            if (e.status == TalkStatus.timeout ||
+                e.status == TalkStatus.rejected) {
+              final paired = pairedLock.value;
+              _videoLockId = paired?.lockId;
+              _videoLockCloudUid = paired?.cloudUid;
+            }
             _call = null;
             _activeLockPeerId = null;
             _cancelVideoFrameTimeout();
+            unawaited(_stopAudio());
             _releaseDecoder();
           }
         });
@@ -143,6 +160,18 @@ class _VideoTalkTabState extends State<VideoTalkTab> {
     _dataSub = StarCloudClient.instance.talk.onTalkData.listen((e) {
       if (!mounted) return;
       if (e.isAudio) {
+        _audioPacketCount++;
+        if (_audioPacketCount == 1) {
+          final audioSize = e.content.length;
+          _log_('First G711 audio packet received (size=`$audioSize`)');
+        }
+        final generation = _audioGeneration;
+        _audioQueue = _audioQueue
+            .then((_) => _playAudioPacket(e.content, generation))
+            .catchError((Object error, StackTrace stack) {
+          final errorText = error.toString();
+          _log_('Audio playback error: `$errorText`');
+        });
         return;
       } else {
         _videoCount++;
@@ -192,6 +221,82 @@ class _VideoTalkTabState extends State<VideoTalkTab> {
     _onPairedLockChanged();
   }
 
+  // ==================== 音频播放 ====================
+
+  Future<void> _ensureAudioReady() {
+    if (_audioReady) return Future<void>.value();
+    final pending = _audioInitFuture;
+    if (pending != null) return pending;
+
+    final future = _doInitAudio();
+    _audioInitFuture = future;
+    future.whenComplete(() {
+      if (identical(_audioInitFuture, future)) {
+        _audioInitFuture = null;
+      }
+    });
+    return future;
+  }
+
+  Future<void> _doInitAudio() async {
+    if (_audioReady) return;
+    await FlutterPcmSound.setLogLevel(LogLevel.error);
+    await FlutterPcmSound.setup(sampleRate: 8000, channelCount: 1);
+    await FlutterPcmSound.setFeedThreshold(1024);
+    _audioReady = true;
+    _log_('G711 audio player ready (8000 Hz, mono).');
+  }
+
+  Future<void> _playAudioPacket(Uint8List g711Data, int generation) async {
+    if (g711Data.isEmpty) return;
+    if (generation != _audioGeneration) return;
+    await _ensureAudioReady();
+    if (!_audioReady || generation != _audioGeneration) return;
+    final pcm = <int>[
+      for (final sample in g711Data) _decodeG711ALaw(sample),
+    ];
+    if (pcm.isEmpty) return;
+    if (generation != _audioGeneration) return;
+    await FlutterPcmSound.feed(PcmArrayInt16.fromList(pcm));
+    await FlutterPcmSound.play();
+  }
+
+  int _decodeG711ALaw(int value) {
+    final aLaw = (value & 0xff) ^ 0x55;
+    var sample = (aLaw & 0x0f) << 4;
+    final segment = (aLaw & 0x70) >> 4;
+    if (segment == 0) {
+      sample += 8;
+    } else if (segment == 1) {
+      sample += 0x108;
+    } else {
+      sample += 0x108;
+      sample <<= segment - 1;
+    }
+    final signed = (aLaw & 0x80) != 0 ? sample : -sample;
+    return signed.clamp(-32768, 32767);
+  }
+
+  Future<void> _stopAudio() async {
+    _audioGeneration++;
+    _audioQueue = Future<void>.value();
+    final pendingInit = _audioInitFuture;
+    if (pendingInit != null) {
+      try {
+        await pendingInit;
+      } catch (_) {}
+    }
+    if (!_audioReady) return;
+    try {
+      await FlutterPcmSound.stop();
+      await FlutterPcmSound.clear();
+      await FlutterPcmSound.release();
+    } catch (_) {}
+    _audioReady = false;
+    _audioInitFuture = null;
+    _audioPacketCount = 0;
+  }
+
   // ==================== 视频解码器 ====================
 
   Future<bool> _initDecoder() {
@@ -536,7 +641,13 @@ class _VideoTalkTabState extends State<VideoTalkTab> {
   // ==================== PeerID 管理 ====================
 
   void _onPairedLockChanged() {
+    final paired = pairedLock.value;
+    if (paired != null && _activeLockPeerId == null) {
+      _videoLockId = paired.lockId;
+      _videoLockCloudUid = paired.cloudUid;
+    }
     _startPeerIdPolling();
+    if (mounted) setState(() {});
   }
 
   /// 锁版 peerId 为空时定时轮询云端（每 5s），出现即回填并停止 —— 锁上线监控
@@ -654,6 +765,8 @@ class _VideoTalkTabState extends State<VideoTalkTab> {
       if (target.isEmpty) return;
 
       final paired = pairedLock.value;
+      _videoLockId = paired?.lockId;
+      _videoLockCloudUid = paired?.cloudUid;
       final online = paired?.isOnline == true;
       if (!online) {
         _log_(S.isEn
@@ -702,9 +815,14 @@ class _VideoTalkTabState extends State<VideoTalkTab> {
   Future<void> _acceptCall() async {
     if (_call == null) return;
     if (!await _initDecoder()) return;
+    _videoLockId = pairedLock.value?.lockId;
+    _videoLockCloudUid = pairedLock.value?.cloudUid;
     _isCallMode = true;
     _activeLockPeerId = _call!.lockPeerId;
-    StarCloudClient.instance.talk.accept(lockPeerId: _call!.lockPeerId);
+    StarCloudClient.instance.talk.accept(
+      lockPeerId: _call!.lockPeerId,
+      options: _monitorOptions,
+    );
   }
 
   void _hangup() {
@@ -716,6 +834,128 @@ class _VideoTalkTabState extends State<VideoTalkTab> {
     _releaseDecoder();
   }
 
+  Future<void> _remoteUnlock() async {
+    if (_remoteUnlocking) return;
+    final paired = pairedLock.value;
+    final int? lockId = paired?.lockId ?? _videoLockId;
+    if (lockId == null || lockId <= 0) {
+      final message = S.isEn ? 'Please pair a lock first.' : '请先配对锁后再试。';
+      _log_(message);
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(content: Text(message)),
+      );
+      return;
+    }
+    if (wifiConfiguredLockId.value != lockId) {
+      final message = S.remoteUnlockNeedsWifi;
+      _log_(message);
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(content: Text(message)),
+      );
+      return;
+    }
+    final confirmed = await showDialog<bool>(
+      context: context,
+      builder: (dialogContext) => AlertDialog(
+        title: Text(S.confirmRemoteUnlockTitle),
+        content: Text(S.confirmRemoteUnlockMessage),
+        actions: [
+          TextButton(
+            onPressed: () => Navigator.of(dialogContext).pop(false),
+            child: Text(S.isEn ? 'Cancel' : '取消'),
+          ),
+          ElevatedButton(
+            onPressed: () => Navigator.of(dialogContext).pop(true),
+            child: Text(S.btnRemoteUnlock),
+          ),
+        ],
+      ),
+    );
+    if (confirmed != true || !mounted) return;
+
+    setState(() => _remoteUnlocking = true);
+    try {
+      final fresh = await StarCloudClient.instance.device.getDevice(
+        lockId: lockId,
+        cloudUid: paired?.lockId == lockId
+            ? paired?.cloudUid
+            : _videoLockCloudUid,
+      );
+      final enabledLock = await _ensureRemoteUnlockEnabled(fresh);
+      pairedLock.value = enabledLock;
+      if (enabledLock.hasGateway == 1) {
+        final token = lockServiceAccessToken.value?.trim() ?? '';
+        if (token.isEmpty) {
+          throw StateError(S.remoteUnlockNeedsLogin);
+        }
+        if (fresh.isOnline != true) {
+          throw StateError(S.remoteUnlockNeedsOnline);
+        }
+        await StarCloudClient.instance.device.remoteOpenLock(
+          lockId: enabledLock.lockId,
+          lockServiceAccessToken: token,
+        );
+      } else {
+        final activePeerId = (_activeLockPeerId ?? '').trim();
+        final String peerId = activePeerId.isNotEmpty
+            ? activePeerId
+            : (enabledLock.peerId ?? '').trim();
+        if (peerId.isEmpty || enabledLock.peerId != peerId) {
+          throw StateError(S.remoteUnlockPeerUnavailable);
+        }
+        await StarCloudClient.instance.device.remoteOpenLockViaStarChart(
+          lock: enabledLock,
+          peerId: peerId,
+          talk: StarCloudClient.instance.talk,
+        );
+      }
+      _log_(S.remoteUnlockSuccess);
+      if (mounted) {
+        ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(content: Text(S.remoteUnlockSuccess)),
+        );
+      }
+    } catch (e) {
+      final message = e is StateError
+          ? e.message
+          : (e is StarCloudException ? e.message : e.toString());
+      _log_('${S.logFailed}: $message');
+      if (mounted) {
+        ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(content: Text(message.toString())),
+        );
+      }
+    } finally {
+      if (mounted) setState(() => _remoteUnlocking = false);
+    }
+  }
+
+  Future<StarCloudLock> _ensureRemoteUnlockEnabled(
+    StarCloudLock lock,
+  ) async {
+    final featureValue = lock.lockFeature['remoteUnlock']?.toString();
+    if (featureValue == '1' && lock.lockSetting.remoteUnlock == 1) {
+      return lock;
+    }
+
+    _log_(S.isEn
+        ? 'Remote unlock is disabled in lock details; enabling it over BLE...'
+        : '锁详情中的远程开锁未开启，正在通过 BLE 自动开启...');
+    final context = await StarCloudLockContext.fromLock(lock);
+    final reply = await StarCloudClient.instance.lockSetting
+        .setRemoteUnlockByContext(context, enabled: true);
+    if (reply.status != 0) {
+      final status = reply.status;
+      _log_('Failed to enable remote unlock over BLE: status=$status.');
+      throw StateError(S.remoteUnlockUnavailable);
+    }
+
+    lock.lockFeature['remoteUnlock'] = 1;
+    lock.lockSetting.remoteUnlock = 1;
+    _log_(S.isEn ? 'Remote unlock enabled.' : '远程开锁已自动开启。');
+    return lock;
+  }
+
   @override
   Widget build(BuildContext context) {
     return ValueListenableBuilder<bool>(
@@ -798,21 +1038,30 @@ class _VideoTalkTabState extends State<VideoTalkTab> {
                     ValueListenableBuilder<bool>(
                       valueListenable: videoTalkReady,
                       builder: (context, ready, _) {
-                        if (!ready) {
-                          return Padding(
-                            padding: const EdgeInsets.only(bottom: 8),
-                            child: Text(S.completeWifiTalkInitialization),
-                          );
-                        }
-                        return Column(
-                          crossAxisAlignment: CrossAxisAlignment.stretch,
-                          children: [
+                        return ValueListenableBuilder<int?>(
+                          valueListenable: wifiConfiguredLockId,
+                          builder: (context, configuredLockId, _) {
+                            final currentLockId =
+                                pairedLock.value?.lockId ?? _videoLockId;
+                            final wifiConfigured =
+                                configuredLockId != null &&
+                                    configuredLockId == currentLockId;
+                            return Column(
+                              crossAxisAlignment: CrossAxisAlignment.stretch,
+                              children: [
+                            if (!ready)
+                              Padding(
+                                padding: const EdgeInsets.only(bottom: 8),
+                                child: Text(S.completeWifiTalkInitialization),
+                              ),
                             Row(
                               children: [
                                 Expanded(
                                   child: ElevatedButton(
                                     onPressed:
-                                        _preparingMonitor ? null : _requestCall,
+                                        !ready || _preparingMonitor
+                                            ? null
+                                            : _requestCall,
                                     child: _preparingMonitor
                                         ? const SizedBox(
                                             width: 18,
@@ -821,10 +1070,14 @@ class _VideoTalkTabState extends State<VideoTalkTab> {
                                               strokeWidth: 2,
                                             ),
                                           )
-                                        : Text(S.btnMonitor),
+                                        : Text(
+                                            S.btnMonitor,
+                                            maxLines: 1,
+                                            overflow: TextOverflow.ellipsis,
+                                          ),
                                   ),
                                 ),
-                                const SizedBox(width: 8),
+                                const SizedBox(width: 4),
                                 Expanded(
                                   child: ElevatedButton.icon(
                                     style: ElevatedButton.styleFrom(
@@ -835,16 +1088,52 @@ class _VideoTalkTabState extends State<VideoTalkTab> {
                                             _status == TalkStatus.incomingCall)
                                         ? _hangup
                                         : null,
-                                    icon: const Icon(Icons.call_end),
-                                    label: Text(S.btnHangup),
+                                    icon: const Icon(Icons.call_end, size: 18),
+                                    label: Text(
+                                      S.btnHangup,
+                                      maxLines: 1,
+                                      overflow: TextOverflow.ellipsis,
+                                    ),
+                                  ),
+                                ),
+                                const SizedBox(width: 4),
+                                Expanded(
+                                  child: ElevatedButton.icon(
+                                    style: ElevatedButton.styleFrom(
+                                      padding: const EdgeInsets.symmetric(
+                                          horizontal: 4, vertical: 12),
+                                    ),
+                                    onPressed:
+                                        wifiConfigured ? _remoteUnlock : null,
+                                    icon: _remoteUnlocking
+                                        ? const SizedBox(
+                                            width: 16,
+                                            height: 16,
+                                            child: CircularProgressIndicator(
+                                              strokeWidth: 2,
+                                            ),
+                                          )
+                                        : const Icon(Icons.lock_open, size: 18),
+                                    label: Text(
+                                      _remoteUnlocking
+                                          ? S.btnProcessing
+                                          : S.btnRemoteUnlock,
+                                      maxLines: 1,
+                                      overflow: TextOverflow.ellipsis,
+                                      style: const TextStyle(fontSize: 12),
+                                    ),
                                   ),
                                 ),
                               ],
                             ),
-                            // 视频画面渲染区域
-                            const SizedBox(height: 3),
-                            _buildVideoPreview(),
-                          ],
+                            if (ready) ...[
+                              // 视频画面渲染区域
+                              const SizedBox(height: 3),
+                              _buildVideoPreview(),
+                            ],
+                              ],
+                            );
+                          },
                         );
                       },
                     ),
diff --git a/example/lib/tabs/wifi_config_tab.dart b/example/lib/tabs/wifi_config_tab.dart
index 0debf24..6bf8b8c 100755
--- a/example/lib/tabs/wifi_config_tab.dart
+++ b/example/lib/tabs/wifi_config_tab.dart
@@ -80,6 +80,7 @@ class _WifiConfigTabState extends State<WifiConfigTab> {
         deviceName: lock.bluetooth.bluetoothDeviceName,
         mac: lock.mac,
       );
+      wifiConfiguredLockId.value = lock.lockId;
       _log_(S.logWifiConfigCompleted);
 
       try {
diff --git a/lib/src/device/starcloud_device_service.dart b/lib/src/device/starcloud_device_service.dart
index 5b6809c..635e278 100755
--- a/lib/src/device/starcloud_device_service.dart
+++ b/lib/src/device/starcloud_device_service.dart
@@ -1,14 +1,19 @@
 import 'package:starcloud/blue/blue_manage.dart';
-import 'package:starcloud/blue/blue_read_write.dart';
 import 'package:starcloud/entity/star_cloud_lock_list.dart';
+import 'package:starcloud/device/ble/protocol/syd/open_lock.dart';
 import 'package:starcloud/sdk/business/sdk_common.dart';
+import 'package:starcloud/tool/sm4_encipher/sm4.dart';
 import 'package:starcloud/starcloud.dart';
 
 import '../core/callback_bridge.dart';
+import '../core/starcloud_exception.dart';
+import '../talk/starcloud_talk_service.dart';
 
 class StarCloudDeviceService {
   StarCloudDeviceService();
 
+  static bool _starChartRemoteUnlockInFlight = false;
+
   Future<dynamic> _fetchWrapper(int? cloudUid) {
     return SDKCommon.instance.fetchStarCloudUser(cloudUid);
   }
@@ -136,6 +141,195 @@ class StarCloudDeviceService {
     );
   }
 
+  Future<void> remoteOpenLock({
+    required int lockId,
+    required String lockServiceAccessToken,
+    Duration timeout = const Duration(seconds: 60),
+  }) async {
+    final response = await SDKCommon.instance.netApi.deviceApi.remoteOpenLock(
+      lockId: lockId,
+      lockServiceAccessToken: lockServiceAccessToken,
+      timeout: timeout,
+    );
+    if (response.errcode != 0) {
+      throw StarCloudException(
+        'Remote unlock failed: ${response.errmsg}',
+        raw: response,
+      );
+    }
+  }
+
+  Future<void> remoteOpenLockViaStarChart({
+    required StarCloudLock lock,
+    required String peerId,
+    required StarCloudTalkService talk,
+    int? cloudUid,
+    Duration timeout = const Duration(seconds: 35),
+  }) async {
+    if (_starChartRemoteUnlockInFlight) {
+      throw const StarCloudException('Another StarChart unlock is in progress.');
+    }
+    if (lock.hasGateway == 1 || lock.lockId <= 0 || peerId.isEmpty ||
+        lock.peerId != peerId || lock.bluetooth.bluetoothDeviceName.isEmpty ||
+        lock.bluetooth.privateKey.length != 16 ||
+        lock.bluetooth.signKey.length != 16 || lock.uid <= 0) {
+      throw const StarCloudException(
+        'StarChart unlock parameters are incomplete or do not match the lock.',
+      );
+    }
+    if (lock.lockFeature['remoteUnlock']?.toString() != '1' ||
+        lock.lockSetting.remoteUnlock != 1) {
+      throw const StarCloudException('Remote unlock is not enabled for this lock.');
+    }
+
+    _starChartRemoteUnlockInFlight = true;
+    try {
+      final addresses = await talk.resolvePeerAddresses(peerId);
+      if (addresses.isEmpty) {
+        throw const StarCloudException('StarChart cannot resolve the lock peer.');
+      }
+
+      final wrapper = await _fetchWrapper(cloudUid);
+      final api = SDKCommon.instance.netApi.deviceApi;
+      final clientId = wrapper.user.clientId;
+      final serverTimeResponse = await api.getServerTime(clientId: clientId);
+      if (serverTimeResponse.errcode != 0) {
+        throw StarCloudException(
+          'Unable to obtain lock server time: ${serverTimeResponse.errmsg}',
+        );
+      }
+      final dynamic timeData = serverTimeResponse.data;
+      final dynamic rawDate = timeData is Map ? timeData['date'] : null;
+      final int? serverTimeMillis = rawDate is num
+          ? rawDate.toInt()
+          : int.tryParse(rawDate?.toString() ?? '');
+      if (serverTimeMillis == null || serverTimeMillis <= 0) {
+        throw const StarCloudException('Lock server time response is invalid.');
+      }
+
+      String onlineToken = '';
+      if (lock.lockSetting.appUnlockOnline == 1) {
+        onlineToken = await api.getLockNetToken(
+          lockId: lock.lockId.toString(),
+          clientId: clientId,
+        );
+        if (onlineToken.isEmpty || onlineToken == '0') {
+          throw const StarCloudException('Unable to obtain online unlock token.');
+        }
+      }
+
+      final command = OpenLockCommand(
+        lockID: lock.bluetooth.bluetoothDeviceName,
+        userID: lock.uid.toString(),
+        openMode: 0,
+        openTime: serverTimeMillis ~/ 1000,
+        onlineToken: onlineToken,
+        token: const <int>[0, 0, 0, 0],
+        needAuthor: 1,
+        signKey: List<int>.from(lock.bluetooth.signKey),
+        privateKey: List<int>.from(lock.bluetooth.privateKey),
+      );
+      var response = await _sendStarChartUnlockCommand(
+        talk: talk,
+        peerId: peerId,
+        bluetoothDeviceName: lock.bluetooth.bluetoothDeviceName,
+        command: command,
+        timeout: timeout,
+      );
+      if (response.status == 0x06) {
+        if (response.token.length != 4) {
+          throw const StarCloudException(
+            'Lock authentication response is malformed.',
+          );
+        }
+        final retryCommand = OpenLockCommand(
+          lockID: lock.bluetooth.bluetoothDeviceName,
+          userID: lock.uid.toString(),
+          openMode: 0,
+          openTime: serverTimeMillis ~/ 1000,
+          onlineToken: onlineToken,
+          token: response.token,
+          needAuthor: 1,
+          signKey: List<int>.from(lock.bluetooth.signKey),
+          privateKey: List<int>.from(lock.bluetooth.privateKey),
+        );
+        response = await _sendStarChartUnlockCommand(
+          talk: talk,
+          peerId: peerId,
+          bluetoothDeviceName: lock.bluetooth.bluetoothDeviceName,
+          command: retryCommand,
+          timeout: timeout,
+        );
+      }
+      if (response.status != 0x00) {
+        throw StarCloudException(
+          'Lock rejected remote unlock (status 0x${response.status.toRadixString(16)}).',
+        );
+      }
+    } finally {
+      _starChartRemoteUnlockInFlight = false;
+    }
+  }
+
+  Future<_RemoteUnlockReply> _sendStarChartUnlockCommand({
+    required StarCloudTalkService talk,
+    required String peerId,
+    required String bluetoothDeviceName,
+    required OpenLockCommand command,
+    required Duration timeout,
+  }) async {
+    final passthrough = await talk.sendBlePassthrough(
+      peerId: peerId,
+      bluetoothDeviceName: bluetoothDeviceName,
+      structData: command.packageData(),
+      timeoutSeconds: timeout.inSeconds,
+    );
+    if (passthrough.status != 0) {
+      throw StarCloudException(
+        'StarChart BLE passthrough failed (status ${passthrough.status}).',
+      );
+    }
+    final frame = passthrough.structData;
+    if (frame.length < 14 ||
+        frame[0] != 0xef ||
+        frame[1] != 0x01 ||
+        frame[2] != 0xee ||
+        frame[3] != 0x02) {
+      throw const StarCloudException('Lock BLE response frame is invalid.');
+    }
+    final int encryption = frame[7] & 0x0f;
+    final int encryptedLength = (frame[8] << 8) | frame[9];
+    final int originalLength = (frame[10] << 8) | frame[11];
+    if (encryptedLength < 0 ||
+        12 + encryptedLength > frame.length ||
+        originalLength < 7) {
+      throw const StarCloudException('Lock BLE response length is invalid.');
+    }
+    List<int> payload = frame.sublist(12, 12 + encryptedLength);
+    if (encryption == 3) {
+      payload = SM4.decrypt(
+        payload,
+        key: command.privateKey,
+        mode: SM4CryptoMode.ECB,
+      );
+    } else if (encryption != 0) {
+      throw StarCloudException(
+        'Unsupported lock BLE response encryption: $encryption',
+      );
+    }
+    if (payload.length < originalLength || originalLength < 7) {
+      throw const StarCloudException('Decrypted lock response length is invalid.');
+    }
+    payload = payload.sublist(0, originalLength);
+    if (payload[0] != 0x30 || payload[1] != 0x05) {
+      throw const StarCloudException('Lock returned a non-unlock BLE response.');
+    }
+    return _RemoteUnlockReply(
+      status: payload[6],
+      token: payload.length >= 6 ? payload.sublist(2, 6) : const <int>[],
+    );
+  }
+
   Future<void> resetLock({
     required int lockId,
     int? cloudUid,
@@ -171,4 +365,11 @@ class StarCloudDeviceService {
       },
     );
   }
-}
\ No newline at end of file
+}
+
+class _RemoteUnlockReply {
+  const _RemoteUnlockReply({required this.status, required this.token});
+
+  final int status;
+  final List<int> token;
+}
diff --git a/lib/src/talk/starcloud_talk_service.dart b/lib/src/talk/starcloud_talk_service.dart
index fce2a99..22de3ff 100755
--- a/lib/src/talk/starcloud_talk_service.dart
+++ b/lib/src/talk/starcloud_talk_service.dart
@@ -35,6 +35,28 @@ class StarCloudTalkService {
   Stream<TalkExpectRespEvent> get onTalkExpectResp =>
       _talkExpectRespCtrl.stream;
 
+  /// 查询星图服务能否解析目标锁 peer。
+  Future<List<String>> resolvePeerAddresses(String peerId) {
+    _ensureInitialized();
+    return _client!.resolvePeerAddresses(peerId);
+  }
+
+  /// 通过星图中继发送加密后的 BLE 协议帧，并等待对应回包。
+  Future<BlePassthroughResponse> sendBlePassthrough({
+    required String peerId,
+    required String bluetoothDeviceName,
+    required List<int> structData,
+    int timeoutSeconds = 30,
+  }) {
+    _ensureInitialized();
+    return _client!.sendBlePassthrough(
+      peerId: peerId,
+      bluetoothDeviceName: bluetoothDeviceName,
+      structData: structData,
+      timeoutSeconds: timeoutSeconds,
+    );
+  }
+
   /// 当前通话状态
   TalkStatus get status => _client?.talk.status ?? TalkStatus.idle;