diff --git a/lib/data/services/ble_manager.dart b/lib/data/services/ble_manager.dart
index 4805bb03f..5e11370a7 100644
--- a/lib/data/services/ble_manager.dart
+++ b/lib/data/services/ble_manager.dart
@@ -6,6 +6,7 @@ import 'package:deep_voice/core/utils/logger.dart';
 import 'package:get_storage/get_storage.dart';
 import 'dart:convert';
 import 'package:agent_service/agent_service.dart';
+import 'bluetooth_manager.dart';
 
 // 重新导出BLE连接状态常量，让外部可以通过BleManager访问
 export 'package:ble_service/ble_service.dart' show BleConnectionState;
@@ -107,6 +108,10 @@ class BleManager extends GetxService {
   final BleService _bleService = BleService();
 // 经典蓝牙实例
 
+  // 当前连接的设备信息
+  String? _currentDeviceAddress;
+  String? _currentDeviceName;
+
   // BLE连接状态
   final _connectionState = BleConnectionState.disconnected.obs;
   int get connectionState => _connectionState.value;
@@ -179,19 +184,8 @@ class BleManager extends GetxService {
                   state == BleConnectionState.error) {
                 Logger.info('BLE设备已断开或发生错误');
                 _isConnected.value = false;
-                // 更新设备信息
-                _updateDeviceInfoIfNeeded(
-                  batteryLevel: 0,
-                  leftEarBattery: 0,
-                  rightEarBattery: 0,
-                  caseBattery: 0,
-                  leftEarCharging: false,
-                  rightEarCharging: false,
-                  caseCharging: false,
-                  firmwareVersion: '',
-                  firmwareProductId: '',
-                  firmwareProductColor: '',
-                );
+                // 断开连接时不清除设备信息，保留最后的电量信息
+                // 只有在需要完全清除设备时才重置信息
               }
             }
 
@@ -408,11 +402,14 @@ class BleManager extends GetxService {
     else if (deviceInfo.value == null &&
         _isConnected.value &&
         (firmwareVersion != null || batteryLevel != null)) {
-      // 提示尝试创建设备信息但缺少必要信息
-      Logger.warning('尝试更新设备信息，但设备基本信息不存在');
+      // 使用保存的设备信息创建新的DeviceInfo对象
+      String deviceAddress = _currentDeviceAddress ?? "";
+      String deviceName = _currentDeviceName ?? "";
+      
+      Logger.info('创建新的设备信息对象: address=$deviceAddress, name=$deviceName');
       deviceInfo.value = DeviceInfo(
-        address: "", // 应确保从连接信息中获取真实值
-        name: "",
+        address: deviceAddress,
+        name: deviceName,
         batteryLevel: batteryLevel ?? 0,
         leftEarBattery: leftEarBattery ?? 0,
         rightEarBattery: rightEarBattery ?? 0,
@@ -427,35 +424,59 @@ class BleManager extends GetxService {
     }
   }
 
+  /// 清除设备信息（用于完全断开连接或切换设备时）
+  void clearDeviceInfo() {
+    Logger.info('清除设备信息');
+    deviceInfo.value = null;
+    _currentDeviceAddress = null;
+    _currentDeviceName = null;
+  }
+
   /// 连接成功后获取设备信息
   Future<void> fetchDeviceInfo() async {
     Logger.info('开始获取BLE设备详细信息');
 
     try {
-      // 获取电池信息
-      final batteryResult = await _bleService.getBatteryInfo();
-      if (batteryResult) {
-        Logger.info('电池信息获取指令已发送');
-      } else {
+      // 确保设备信息对象存在
+      if (deviceInfo.value == null && _isConnected.value) {
+        // 创建初始设备信息对象
+        String deviceAddress = _currentDeviceAddress ?? "";
+        String deviceName = _currentDeviceName ?? "";
+        
+        Logger.info('初始化设备信息对象: address=$deviceAddress, name=$deviceName');
+        deviceInfo.value = DeviceInfo(
+          address: deviceAddress,
+          name: deviceName,
+          batteryLevel: 0,
+          leftEarBattery: 0,
+          rightEarBattery: 0,
+          caseBattery: 0,
+          leftEarCharging: false,
+          rightEarCharging: false,
+          caseCharging: false,
+          firmwareVersion: '',
+          firmwareProductId: '',
+          firmwareProductColor: '',
+        );
+      }
+
+      // 并行获取所有设备信息，不使用延迟
+      final results = await Future.wait([
+        _bleService.getBatteryInfo(),
+        _bleService.getDeviceVersion(),
+        _bleService.getProductId(),
+      ]);
+
+      Logger.info('设备信息获取结果: 电池=${results[0]}, 版本=${results[1]}, 产品ID=${results[2]}');
+      
+      if (!results[0]) {
         Logger.warning('电池信息获取指令发送失败');
       }
-      // 添加延迟
-      await Future.delayed(const Duration(seconds: 1));
-      // 获取设备版本信息
-      final versionResult = await _bleService.getDeviceVersion();
-      if (versionResult) {
-        Logger.info('版本信息获取指令已发送');
-      } else {
+      if (!results[1]) {
         Logger.warning('版本信息获取指令发送失败');
       }
-      // 添加延迟
-      await Future.delayed(const Duration(seconds: 1));
-      // 获取产品id
-      final productIdResult = await _bleService.getProductId();
-      if (productIdResult) {
-        Logger.info('产品id获取指令已发送');
-      } else {
-        Logger.warning('产品id获取指令发送失败');
+      if (!results[2]) {
+        Logger.warning('产品ID获取指令发送失败');
       }
     } catch (e) {
       Logger.error('获取BLE设备信息失败: ${e.toString()}');
@@ -576,6 +597,8 @@ class BleManager extends GetxService {
         Logger.info('BLE服务停止成功');
         _isConnected.value = false;
         _connectionState.value = BleConnectionState.disconnected;
+        // 停止服务时清除设备信息
+        clearDeviceInfo();
       } else {
         Logger.error('BLE服务停止失败');
       }
@@ -756,6 +779,15 @@ class BleManager extends GetxService {
   /// 注册后台扫描
   Future<bool> registerBackgroundScan({String? macAddress}) async {
     try {
+      // 保存设备地址信息
+      if (macAddress != null) {
+        _currentDeviceAddress = macAddress;
+        // 从蓝牙管理器获取设备名称
+        final bluetoothManager = Get.find<BluetoothManager>();
+        _currentDeviceName = bluetoothManager.currentDevice?.name ?? "";
+        Logger.info('保存设备信息: address=$_currentDeviceAddress, name=$_currentDeviceName');
+      }
+      
       return await _bleService.registerBackgroundScan(macAddress: macAddress);
     } catch (e) {
       Logger.error('注册后台扫描失败: ${e.toString()}');
diff --git a/lib/modules/home/controllers/home_controller.dart b/lib/modules/home/controllers/home_controller.dart
index 748d767e6..04c687ba0 100644
--- a/lib/modules/home/controllers/home_controller.dart
+++ b/lib/modules/home/controllers/home_controller.dart
@@ -103,12 +103,22 @@ class HomeController extends GetxController {
     _classicBluetoothWorker = ever(_bluetoothManager.currentDeviceRx, (BluetoothDevice? device) {
       Logger.d(_tag, '经典蓝牙: ${device != null ? "已连接" : "已断开"}');
       _checkConnectionStatus();
+      // 额外的刷新确保UI更新
+      Future.delayed(const Duration(milliseconds: 50), () {
+        _isFullyConnected.refresh();
+        update();
+      });
     });
     
     // BLE连接监听
     _bleConnectionWorker = ever(_bleManager.connectionStateRx, (int state) {
       Logger.d(_tag, 'BLE状态变化: $state (${state == 2 ? "已连接" : "未连接"})');
       _checkConnectionStatus();
+      // 额外的刷新确保UI更新
+      Future.delayed(const Duration(milliseconds: 50), () {
+        _isFullyConnected.refresh();
+        update();
+      });
     });
   }
 
@@ -165,6 +175,14 @@ class HomeController extends GetxController {
       // 延迟一帧后再次刷新，确保UI更新
       Future.delayed(Duration.zero, () {
         update();
+        // 再次强制刷新响应式变量
+        _isFullyConnected.refresh();
+      });
+      
+      // 延迟稍长时间再刷新一次，处理某些特殊情况
+      Future.delayed(const Duration(milliseconds: 100), () {
+        update();
+        _isFullyConnected.refresh();
       });
     }
     
@@ -174,12 +192,16 @@ class HomeController extends GetxController {
 
   /// 获取连接状态对应的颜色
   Color getConnectionStatusColor() {
-    return _isFullyConnected.value ? Colors.green : Colors.grey;
+    final isConnected = _isFullyConnected.value;
+    Logger.d(_tag, 'getConnectionStatusColor called: isConnected=$isConnected');
+    return isConnected ? Colors.green : Colors.grey;
   }
 
   /// 获取连接状态对应的文本
   String getConnectionStatusText() {
-    return _isFullyConnected.value ? 'connected'.tr : 'unconnected'.tr;
+    final isConnected = _isFullyConnected.value;
+    Logger.d(_tag, 'getConnectionStatusText called: isConnected=$isConnected');
+    return isConnected ? 'connected'.tr : 'unconnected'.tr;
   }
 
   /// 判断是否应该显示设备信息（即使未完全连接）
diff --git a/lib/modules/home/views/home_view.dart b/lib/modules/home/views/home_view.dart
index b5c3653f7..d100d1a6c 100644
--- a/lib/modules/home/views/home_view.dart
+++ b/lib/modules/home/views/home_view.dart
@@ -203,8 +203,12 @@ class HomeView extends GetView<HomeController> {
 
   // 设备状态卡片
   Widget _buildDeviceStatusCard(bool isDarkMode) {
-    return Container(
-      decoration: BoxDecoration(
+    return Obx(() {
+      // 使用连接状态作为key，强制在状态改变时重建widget
+      final isConnected = controller.isFullyConnectedRx.value;
+      return Container(
+        key: ValueKey('device_status_$isConnected'),
+        decoration: BoxDecoration(
         color: isDarkMode ? const Color(0xFF1A1A1A) : Colors.white,
         borderRadius: BorderRadius.circular(16.r),
         boxShadow: [
@@ -243,7 +247,8 @@ class HomeView extends GetView<HomeController> {
           }),
         ],
       ),
-    );
+      );
+    });
   }
 
   // 设备状态头部