diff --git a/CSI-H238M/CSI-H238M/Services/ModbusService.cs b/CSI-H238M/CSI-H238M/Services/ModbusService.cs
index 3484130..5da1cd2 100644
--- a/CSI-H238M/CSI-H238M/Services/ModbusService.cs
+++ b/CSI-H238M/CSI-H238M/Services/ModbusService.cs
@@ -626,6 +626,41 @@ namespace COFTester.Services
             }
         }
 
+        /// <summary>
+        /// 触发测试停止按钮 M32（复归型）
+        /// M32 需要写入脉冲信号：true -> 延迟 -> false
+        /// </summary>
+        public virtual async Task TriggerTestStopAsync()
+        {
+            try
+            {
+                if (_modbusMaster != null && _isConnected)
+                {
+                    const ushort STOP_BUTTON_ADDRESS = 32; // M32 停止按钮
+
+                    System.Diagnostics.Debug.WriteLine($"[Modbus] 触发测试停止按钮 M{STOP_BUTTON_ADDRESS}");
+
+                    await _modbusMaster.WriteSingleCoilAsync(1, STOP_BUTTON_ADDRESS, true);
+                    System.Diagnostics.Debug.WriteLine($"[Modbus] M{STOP_BUTTON_ADDRESS} = true");
+
+                    await Task.Delay(100);
+
+                    await _modbusMaster.WriteSingleCoilAsync(1, STOP_BUTTON_ADDRESS, false);
+                    System.Diagnostics.Debug.WriteLine($"[Modbus] M{STOP_BUTTON_ADDRESS} = false");
+
+                    await Task.Delay(100);
+
+                    System.Diagnostics.Debug.WriteLine($"[Modbus] M{STOP_BUTTON_ADDRESS} 脉冲信号发送完成");
+                }
+            }
+            catch (Exception ex)
+            {
+                OnErrorOccurred($"触发测试停止失败: {ex.Message}");
+                System.Diagnostics.Debug.WriteLine($"[Modbus] 触发 M32 异常: {ex.Message}");
+                throw;
+            }
+        }
+
         /// <summary>
         /// 读取测试状态标记位 M31
         /// M31: 1=测试中，0=停止
@@ -655,6 +690,46 @@ namespace COFTester.Services
             }
         }
 
+        /// <summary>
+        /// 读取当前实时传感器数据，用于非测试状态下的界面实时显示。
+        /// </summary>
+        public virtual async Task<TestDataPoint?> ReadCurrentDataAsync()
+        {
+            try
+            {
+                if (_modbusMaster == null || !_isConnected)
+                {
+                    return null;
+                }
+
+                var dataPoint = await ReadSensorDataAsync();
+                if (dataPoint == null)
+                {
+                    return null;
+                }
+
+                try
+                {
+                    var (verticalPos, horizontalPos) = await ReadPositionDataAsync();
+                    dataPoint.VerticalPosition = verticalPos;
+                    dataPoint.HorizontalPosition = horizontalPos;
+                }
+                catch (Exception ex)
+                {
+                    dataPoint.VerticalPosition = 0;
+                    dataPoint.HorizontalPosition = 0;
+                    System.Diagnostics.Debug.WriteLine($"[Modbus] 读取实时位置数据失败: {ex.Message}");
+                }
+
+                return dataPoint;
+            }
+            catch (Exception ex)
+            {
+                System.Diagnostics.Debug.WriteLine($"[Modbus] 读取实时数据异常: {ex.Message}");
+                return null;
+            }
+        }
+
         /// <summary>
         /// 写入启动/停止寄存器 M31（已弃用，请使用 TriggerTestStartAsync）
         /// M30 复归型, M31 标注为 1=开始，0=停止
diff --git a/CSI-H238M/CSI-H238M/ViewModels/ViewModel.cs b/CSI-H238M/CSI-H238M/ViewModels/ViewModel.cs
index 1235868..23af5bb 100644
--- a/CSI-H238M/CSI-H238M/ViewModels/ViewModel.cs
+++ b/CSI-H238M/CSI-H238M/ViewModels/ViewModel.cs
@@ -21,6 +21,7 @@ namespace COFTester.ViewModels
         private readonly IDataAcquisitionService _daqService;
         private readonly DataProcessingService _processingService;
         private readonly DispatcherTimer _clockTimer;
+        private readonly DispatcherTimer _liveSensorTimer;
         private readonly DispatcherTimer _m31StatusTimer; // M31状态检查定时器
         private WpfPlot? _wpfPlot;
         private readonly AppConfig _config;
@@ -40,6 +41,9 @@ namespace COFTester.ViewModels
         private bool _showAllCurves = true;
         private int _testCounter = 0;
         private bool _disposed = false;
+        private bool _isRefreshingLiveSensorData = false;
+        private bool _isTestTransitioning = false;
+        private bool _stopRequestedByUser = false;
         private string _selectedDirection = ""; // 选中的方向：Up/Down/Right/Left
         private string _resetButtonText; // 复位按钮文本
         private string _testButtonText; // 测试按钮文本
@@ -69,7 +73,7 @@ namespace COFTester.ViewModels
             DisconnectCommand = new RelayCommand(Disconnect, () => IsConnected && !_isTesting);
             ToggleConnectionCommand = new AsyncRelayCommand(ToggleConnectionAsync, () => !_isConnecting && !_isTesting);
             StartCommand = new RelayCommand(StartTest, CanStartTest);
-            StopCommand = new RelayCommand(StopTest, () => _isTesting);
+            StopCommand = new RelayCommand(StopTest, CanStopTest);
             ResetCommand = new RelayCommand(Reset, () => !_isTesting && IsConnected);
             SwitchLanguageCommand = new RelayCommand(SwitchLanguage);
             OpenConfigCommand = new RelayCommand(OpenConfig);
@@ -111,6 +115,13 @@ namespace COFTester.ViewModels
             _m31StatusTimer.Tick += async (s, e) => await CheckM31StatusAsync();
             _m31StatusTimer.Start();
 
+            _liveSensorTimer = new DispatcherTimer
+            {
+                Interval = TimeSpan.FromMilliseconds(200)
+            };
+            _liveSensorTimer.Tick += async (s, e) => await RefreshLiveSensorDataAsync();
+            _liveSensorTimer.Start();
+
             // 根據配置自動連接
             AutoConnectOnStartup();
         }
@@ -173,8 +184,9 @@ namespace COFTester.ViewModels
             if (oldCanStartTest != _canStartTest)
             {
                 System.Diagnostics.Debug.WriteLine($"[ViewModel] 开始按钮可用性变化: {_canStartTest}");
-                CommandManager.InvalidateRequerySuggested();
             }
+
+            CommandManager.InvalidateRequerySuggested();
         }
         
         /// <summary>
@@ -184,6 +196,48 @@ namespace COFTester.ViewModels
         {
             return _canStartTest;
         }
+
+        private bool CanStopTest()
+        {
+            return IsConnected && (_isTesting || _m31Status || _isTestTransitioning);
+        }
+
+        private async Task RefreshLiveSensorDataAsync()
+        {
+            if (_disposed || _isRefreshingLiveSensorData || !IsConnected || _isTesting || _isTestTransitioning)
+            {
+                return;
+            }
+
+            if (_daqService is not ModbusServiceBase modbusService)
+            {
+                return;
+            }
+
+            try
+            {
+                _isRefreshingLiveSensorData = true;
+
+                var point = await modbusService.ReadCurrentDataAsync();
+                if (point == null)
+                {
+                    return;
+                }
+
+                CurrentForce = point.Force;
+                CurrentDisp = point.Displacement;
+                LiftPosition = point.VerticalPosition;
+                HorizontalPosition = point.HorizontalPosition;
+            }
+            catch (Exception ex)
+            {
+                System.Diagnostics.Debug.WriteLine($"[ViewModel] 实时数值刷新失败: {ex.Message}");
+            }
+            finally
+            {
+                _isRefreshingLiveSensorData = false;
+            }
+        }
         
         /// <summary>
         /// 設置圖表控件（由TestPage調用）
@@ -575,6 +629,13 @@ namespace COFTester.ViewModels
                 TestButtonText = Lang.StartTest; // 测试完成后恢复按钮文本
                 _m31Status = false; // 测试完成，M31应该为0
                 UpdateCanStartTest(); // 更新按钮可用性
+                if (_stopRequestedByUser)
+                {
+                    _stopRequestedByUser = false;
+                    StatusMessage = Lang.TestStopped;
+                    return;
+                }
+
                 StatusMessage = Lang.TestCompleted;
                 
                 // 数据处理与计算
@@ -661,6 +722,7 @@ namespace COFTester.ViewModels
                             _m31Status = await modbusService.ReadTestStatusAsync();
                             System.Diagnostics.Debug.WriteLine($"[ViewModel] 连接后M31状态: {(_m31Status ? "1 (测试中)" : "0 (停止)")}");
                             UpdateCanStartTest();
+                            await RefreshLiveSensorDataAsync();
                         }
                         catch (Exception ex)
                         {
@@ -799,6 +861,10 @@ namespace COFTester.ViewModels
             //    return;
             //}
 
+            _stopRequestedByUser = false;
+            _isTestTransitioning = true;
+            CommandManager.InvalidateRequerySuggested();
+
             _realTimePoints.Clear();
             OnPropertyChanged(nameof(DataPointsCount));
             LatestResult = null;
@@ -842,6 +908,8 @@ namespace COFTester.ViewModels
                             {
                                 // 测试未启动，保持原状态
                                 _m31Status = false; // 更新M31状态
+                                _isTestTransitioning = false;
+                                CommandManager.InvalidateRequerySuggested();
                                 StatusMessage = "测试启动失败，请检查设备";
                                 System.Diagnostics.Debug.WriteLine("[ViewModel] M31 = 0，测试未启动");
                             }
@@ -853,6 +921,8 @@ namespace COFTester.ViewModels
                         {
                             StatusMessage = $"启动测试失败: {ex.Message}";
                             _m31Status = false;
+                            _isTestTransitioning = false;
+                            CommandManager.InvalidateRequerySuggested();
                             System.Diagnostics.Debug.WriteLine($"[ViewModel] 启动测试异常: {ex.Message}");
                         });
                     }
@@ -861,21 +931,43 @@ namespace COFTester.ViewModels
             
             // _daqService.StartDirectionTest(_selectedDirection); // 暂时注释掉
             _daqService.StartAcquisition(Parameters);
+            _isTestTransitioning = false;
+            CommandManager.InvalidateRequerySuggested();
         }
 
-        private void StopTest()
+        private async void StopTest()
         {
+            _stopRequestedByUser = true;
+            _isTestTransitioning = true;
+            CommandManager.InvalidateRequerySuggested();
+
             // M30 复归型按钮，M31 状态标记位（1=测试中，0=停止）
             // M31 是只读状态位，由 PLC 控制，我们只需停止数据采集
             // PLC 会自动将 M31 设置为 0
             
-            _daqService.StopAcquisition();
-            IsTesting = false;
-            TestButtonText = Lang.StartTest; // 恢复按钮文本为"开始测试"
-            StatusMessage = Lang.TestStopped;
-            UpdateCanStartTest(); // 更新按钮可用性
+            try
+            {
+                if (_daqService is ModbusServiceBase modbusService)
+                {
+                    await modbusService.TriggerTestStopAsync();
+                }
+            }
+            catch (Exception ex)
+            {
+                StatusMessage = $"停止测试失败: {ex.Message}";
+                System.Diagnostics.Debug.WriteLine($"[ViewModel] 停止测试异常: {ex.Message}");
+            }
+            finally
+            {
+                _daqService.StopAcquisition();
+                IsTesting = false;
+                TestButtonText = Lang.StartTest;
+                StatusMessage = Lang.TestStopped;
+                _isTestTransitioning = false;
+                UpdateCanStartTest();
             
-            System.Diagnostics.Debug.WriteLine("[ViewModel] 停止测试，等待 PLC 将 M31 设置为 0");
+                System.Diagnostics.Debug.WriteLine("[ViewModel] 已发送 M32 停止命令，并停止本地数据采集");
+            }
         }
 
         private async void Reset()
@@ -1626,6 +1718,7 @@ namespace COFTester.ViewModels
                 
                 // 停止M31状态检查定时器
                 _m31StatusTimer?.Stop();
+                _liveSensorTimer?.Stop();
 
                 // 取消訂閱事件
                 if (_daqService != null)
diff --git a/CSI-H238M/CSI-H238M/Views/MainWindow.xaml b/CSI-H238M/CSI-H238M/Views/MainWindow.xaml
index 63f2eda..3f7da53 100644
--- a/CSI-H238M/CSI-H238M/Views/MainWindow.xaml
+++ b/CSI-H238M/CSI-H238M/Views/MainWindow.xaml
@@ -2,6 +2,8 @@
         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         Title="CSI-H238M 高配版摩擦系数仪、摩擦系数测定仪" Height="800" Width="1024"
+        WindowStartupLocation="CenterScreen"
+        WindowState="Maximized"
         Background="#F0F3F5">
     <Window.Resources>
         <Style x:Key="NavButtonStyle" TargetType="RadioButton">
diff --git a/CSI-H238M/CSI-H238M/Views/TestPage.xaml b/CSI-H238M/CSI-H238M/Views/TestPage.xaml
index cd97cd3..8c2b28f 100644
--- a/CSI-H238M/CSI-H238M/Views/TestPage.xaml
+++ b/CSI-H238M/CSI-H238M/Views/TestPage.xaml
@@ -201,6 +201,7 @@
                     </Button.Style>
                 </Button>
                 
+                
                 <!-- 向右按钮 -->
                 <Button x:Name="BtnRight" Content="{Binding Lang.DirectionRight}" 
                         Height="70" Width="100" 
@@ -273,6 +274,15 @@
                 </Button>
                 
                 <!-- 复位按钮 - 动态显示状态：复位 → 复位中 → 复位 -->
+                <Button Content="{Binding Lang.Stop}" Command="{Binding StopCommand}" 
+                        Height="70" Width="110" Margin="5">
+                    <Button.Style>
+                        <Style TargetType="Button" BasedOn="{StaticResource IndustrialButtonStyle}">
+                            <Setter Property="Background" Value="#C0392B"/>
+                        </Style>
+                    </Button.Style>
+                </Button>
+                
                 <Button Content="{Binding ResetButtonText}" Command="{Binding ResetCommand}" 
                         Height="70" Width="110" Background="#3498DB" 
                         Style="{StaticResource IndustrialButtonStyle}" Margin="5"/>