diff --git a/CapMachine.Wpf/Services/PPCService.cs b/CapMachine.Wpf/Services/PPCService.cs
index 2f2ef55..9b03597 100644
--- a/CapMachine.Wpf/Services/PPCService.cs
+++ b/CapMachine.Wpf/Services/PPCService.cs
@@ -338,7 +338,7 @@ namespace CapMachine.Wpf.Services
             }
             else if (_superheatSubcoolCalculator.TryCalculateSuperheatK(InhPressTag.EngPvValue, InhTempTag.EngPvValue, out var superheatValue, out var superheatErr))
             {
-                Superheat.EngPvValue =Math.Abs(superheatValue) ;
+                Superheat.EngPvValue = Math.Abs(superheatValue);
                 updated = true;
             }
             else
@@ -651,11 +651,11 @@ namespace CapMachine.Wpf.Services
             COPCooling = result.COPCooling;
             IsentropicEfficiencyPct = result.IsentropicEfficiencyPct;
 
-            // 再把结果回写到对应工程量标签。
-            HeatingCapacity.EngPvValue = HeatingCapacityQh_kW;
+            // 再把结果回写到对应工程量标签
+            HeatingCapacity.EngPvValue = HeatingCapacityQh_kW * 1000;
             COPHeat.EngPvValue = COPHeating;
             IsentrpEff.EngPvValue = IsentropicEfficiencyPct;
-            CoolCapacity.EngPvValue = CoolingCapacityQc_kW;
+            CoolCapacity.EngPvValue = CoolingCapacityQc_kW * 1000;
             COPCool.EngPvValue = COPCooling;
 
             // 容积效率在旧逻辑中允许单独失败；
@@ -756,21 +756,87 @@ namespace CapMachine.Wpf.Services
         {
             displacement_cc = double.NaN;
             error = string.Empty;
+            const double defaultDisplacementCc = 35d;
 
-            displacement_cc = 35;
+            if (TryGetCompressorDisplacementFromCurrentExperiment(out displacement_cc, out var experimentError))
+            {
+                return true;
+            }
+
+            if (TryGetCompressorDisplacementFromConfig(out displacement_cc, out var configError))
+            {
+                return true;
+            }
+
+            displacement_cc = defaultDisplacementCc;
             return true;
+        }
+
+        /// <summary>
+        /// 从当前选中的实验信息中读取并解析压缩机排量。
+        /// </summary>
+        /// <param name="displacement_cc">排量输出，单位 cc。</param>
+        /// <param name="error">失败原因。</param>
+        /// <returns>是否读取成功。</returns>
+        private bool TryGetCompressorDisplacementFromCurrentExperiment(out double displacement_cc, out string error)
+        {
+            displacement_cc = double.NaN;
+            error = string.Empty;
+
+            if (ConfigService.CurExpInfo == null)
+            {
+                error = "当前未选择实验信息，无法从试验信息读取压缩机排量";
+                return false;
+            }
+
+            var displacementText = ConfigService.CurExpInfo.CapDisplacement;
+            if (string.IsNullOrWhiteSpace(displacementText))
+            {
+                error = "当前试验信息未填写压缩机排量";
+                return false;
+            }
+
+            if (!TryParseCompressorDisplacementText(displacementText, out displacement_cc))
+            {
+                error = $"当前试验信息压缩机排量无法解析: {displacementText}";
+                return false;
+            }
+
+            if (displacement_cc <= 0)
+            {
+                error = $"当前试验信息压缩机排量<=0: {displacement_cc}";
+                return false;
+            }
+
+            return true;
+        }
+
+        /// <summary>
+        /// 从配置项读取并解析压缩机排量。
+        /// </summary>
+        /// <param name="displacement_cc">排量输出，单位 cc。</param>
+        /// <param name="error">失败原因。</param>
+        /// <returns>是否读取成功。</returns>
+        private bool TryGetCompressorDisplacementFromConfig(out double displacement_cc, out string error)
+        {
+            displacement_cc = double.NaN;
+            error = string.Empty;
 
             const string key = "CompressorDisplacementCc";
-            //if (!ConfigHelper.IsExist(key))
-            //{
-            //    error = $"未配置压缩机排量，请在 App.config/appSettings 增加 {key}（单位 cc）";
-            //    return false;
-            //}
-
-            string v = ConfigHelper.GetValue(key);
-            if (!double.TryParse(v, out displacement_cc))
+            string configValue;
+            try
             {
-                error = $"压缩机排量配置无法解析: {v}";
+                configValue = ConfigHelper.GetValue(key);
+            }
+            catch
+            {
+                error = $"未配置压缩机排量，请在 App.config/appSettings 增加 {key}（单位 cc）";
+                return false;
+            }
+
+            if (!TryParseCompressorDisplacementText(configValue, out displacement_cc))
+            {
+                error = $"压缩机排量配置无法解析: {configValue}";
                 return false;
             }
 
@@ -783,6 +849,42 @@ namespace CapMachine.Wpf.Services
             return true;
         }
 
+        /// <summary>
+        /// 解析排量文本为数值。
+        /// 支持纯数字与包含单位的文本（如 34.5、34.5cc、34,5 cm3）。
+        /// </summary>
+        /// <param name="displacementText">排量文本。</param>
+        /// <param name="displacementCc">解析后的排量数值，单位 cc。</param>
+        /// <returns>是否解析成功。</returns>
+        private static bool TryParseCompressorDisplacementText(string displacementText, out double displacementCc)
+        {
+            displacementCc = double.NaN;
+            if (string.IsNullOrWhiteSpace(displacementText))
+            {
+                return false;
+            }
+
+            var normalizedText = displacementText.Trim();
+            if (double.TryParse(normalizedText, out displacementCc))
+            {
+                return true;
+            }
+
+            if (double.TryParse(normalizedText, System.Globalization.NumberStyles.Float, System.Globalization.CultureInfo.InvariantCulture, out displacementCc))
+            {
+                return true;
+            }
+
+            var match = System.Text.RegularExpressions.Regex.Match(normalizedText, @"[-+]?\d+(?:[\.,]\d+)?");
+            if (!match.Success)
+            {
+                return false;
+            }
+
+            var numericText = match.Value.Replace(',', '.');
+            return double.TryParse(numericText, System.Globalization.NumberStyles.Float, System.Globalization.CultureInfo.InvariantCulture, out displacementCc);
+        }
+
         #endregion
     }
 }
diff --git a/CapMachine.Wpf/Views/MainView.xaml.cs b/CapMachine.Wpf/Views/MainView.xaml.cs
index dd4dc56..be14252 100644
--- a/CapMachine.Wpf/Views/MainView.xaml.cs
+++ b/CapMachine.Wpf/Views/MainView.xaml.cs
@@ -1,4 +1,5 @@
 using CapMachine.Wpf.Services;
+using System;
 using System.Windows;
 
 namespace CapMachine.Wpf.Views
@@ -8,10 +9,19 @@ namespace CapMachine.Wpf.Views
     /// </summary>
     public partial class MainView : Window
     {
-        public MainView(ILogService logService)
+        private readonly ZlgCanDriveService _zlgCanDriveService;
+        private readonly ZlgLinDriveService _zlgLinDriveService;
+        private readonly CanDriveService _canDriveService;
+        private readonly LinDriveService _linDriveService;
+
+        public MainView(ILogService logService, ZlgCanDriveService zlgCanDriveService, ZlgLinDriveService zlgLinDriveService, CanDriveService canDriveService, LinDriveService linDriveService)
         {
             InitializeComponent();
             LogService = logService;
+            _zlgCanDriveService = zlgCanDriveService;
+            _zlgLinDriveService = zlgLinDriveService;
+            _canDriveService = canDriveService;
+            _linDriveService = linDriveService;
         }
 
         public ILogService LogService { get; }
@@ -42,10 +52,110 @@ namespace CapMachine.Wpf.Views
             }
             else
             {
+                StopBusCommunicationOnExit();
                 LogService.Info("Windows关闭");
             }
         }
 
+        /// <summary>
+        /// 软件退出时停止总线通信，防止适配器在进程退出后继续自动发送。
+        /// </summary>
+        private void StopBusCommunicationOnExit()
+        {
+            StopZlgBusCommunicationOnExit();
+            StopToomossBusCommunicationOnExit();
+        }
+
+        /// <summary>
+        /// 停止 ZLG CAN/CANFD 与 LIN 通信。
+        /// </summary>
+        private void StopZlgBusCommunicationOnExit()
+        {
+            try
+            {
+                if (_zlgLinDriveService.OpenState)
+                {
+                    if (_zlgLinDriveService.IsCycleSend || _zlgLinDriveService.SchEnable)
+                    {
+                        _zlgLinDriveService.StopSchedule();
+                        _zlgLinDriveService.IsCycleSend = false;
+                    }
+
+                    _zlgLinDriveService.CloseDevice();
+                    LogService.Info("程序退出时已停止 ZLG LIN 调度/发送并关闭设备");
+                    return;
+                }
+
+                if (_zlgCanDriveService.OpenState)
+                {
+                    if (_zlgCanDriveService.IsCycleSend || _zlgCanDriveService.SchEnable)
+                    {
+                        _zlgCanDriveService.StopSchedule();
+                        _zlgCanDriveService.IsCycleSend = false;
+                    }
+
+                    _zlgCanDriveService.CloseDevice();
+                    LogService.Info("程序退出时已停止 ZLG CAN/CANFD 调度/发送并关闭设备");
+                }
+            }
+            catch (Exception ex)
+            {
+                LogService.Error($"程序退出停止 ZLG 总线失败：{ex.Message}");
+            }
+        }
+
+        /// <summary>
+        /// 停止 Toomoss CAN 与 LIN 通信。
+        /// </summary>
+        private void StopToomossBusCommunicationOnExit()
+        {
+            try
+            {
+                if (_linDriveService.ToomossLinDrive.OpenState)
+                {
+                    if (_linDriveService.ToomossLinDrive.IsCycleSend)
+                    {
+                        _linDriveService.ToomossLinDrive.StopCycleSendMsg();
+                    }
+
+                    if (_linDriveService.ToomossLinDrive.SchEnable)
+                    {
+                        _linDriveService.ToomossLinDrive.StopSchedule();
+                    }
+
+                    _linDriveService.ToomossLinDrive.CloseDevice();
+                    LogService.Info("程序退出时已停止 Toomoss LIN 调度/发送并关闭设备");
+                }
+            }
+            catch (Exception ex)
+            {
+                LogService.Error($"程序退出停止 Toomoss LIN 失败：{ex.Message}");
+            }
+
+            try
+            {
+                if (_canDriveService.ToomossCanDrive.OpenState)
+                {
+                    if (_canDriveService.ToomossCanDrive.IsCycleSend)
+                    {
+                        _canDriveService.ToomossCanDrive.StopCycleSendMsg();
+                    }
+
+                    if (_canDriveService.ToomossCanDrive.SchEnable)
+                    {
+                        _canDriveService.ToomossCanDrive.StopSchedule();
+                    }
+
+                    _canDriveService.ToomossCanDrive.CloseDevice();
+                    LogService.Info("程序退出时已停止 Toomoss CAN 调度/发送并关闭设备");
+                }
+            }
+            catch (Exception ex)
+            {
+                LogService.Error($"程序退出停止 Toomoss CAN 失败：{ex.Message}");
+            }
+        }
+
         /// <summary>
         /// 主界面完成关闭
         /// </summary>