diff --git a/CapMachine.Wpf/LinDrive/LinCmdData.cs b/CapMachine.Wpf/LinDrive/LinCmdData.cs
index 9b89c56..cd67e86 100644
--- a/CapMachine.Wpf/LinDrive/LinCmdData.cs
+++ b/CapMachine.Wpf/LinDrive/LinCmdData.cs
@@ -1,4 +1,4 @@
-using CapMachine.Wpf.Dtos;
+using CapMachine.Wpf.Dtos;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -27,11 +27,29 @@ namespace CapMachine.Wpf.LinDrive
         /// </summary>
         public string? SignalName { get; set; }
 
+        /// <summary>
+        /// 指令数据改变Handler
+        /// 改变发送消息名称/帧名称
+        /// </summary>
+        public event EventHandler<string>? LinCmdDataChangedHandler;
+
+        private double _SignalCmdValue;
         /// <summary>
         /// 指令值
         /// 没有的话，则给默认值
         /// </summary>
-        public double SignalCmdValue { get; set; }
+        public double SignalCmdValue
+        {
+            get { return _SignalCmdValue; }
+            set
+            {
+                if (_SignalCmdValue != value)
+                {
+                    _SignalCmdValue = value;
+                    LinCmdDataChangedHandler?.Invoke(this, MsgName!);
+                }
+            }
+        }
 
         ///// <summary>
         ///// 逻辑规则Id
diff --git a/CapMachine.Wpf/LinDrive/LinLdfModel.cs b/CapMachine.Wpf/LinDrive/LinLdfModel.cs
index 9ec3e57..7b10672 100644
--- a/CapMachine.Wpf/LinDrive/LinLdfModel.cs
+++ b/CapMachine.Wpf/LinDrive/LinLdfModel.cs
@@ -1,4 +1,4 @@
-using Prism.Mvvm;
+using Prism.Mvvm;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -62,7 +62,7 @@ namespace CapMachine.Wpf.LinDrive
             }
         }
 
-        private StringBuilder _SignalRtValueSb = new StringBuilder(10);
+        private StringBuilder _SignalRtValueSb = new StringBuilder(16);
         /// <summary>
         /// 信号实时值 StringBuilder
         /// </summary>
@@ -71,12 +71,24 @@ namespace CapMachine.Wpf.LinDrive
             get { return _SignalRtValueSb; }
             set
             {
-                //if (_SignalRtValueSb != value)
-                //{
-                SignalRtValue = value.ToString();
-                _SignalRtValueSb = value;
-                //}
+                if (value == null)
+                {
+                    if (_SignalRtValue != string.Empty)
+                    {
+                        _SignalRtValueSb.Clear();
+                        SignalRtValue = string.Empty;
+                    }
+                    return;
+                }
 
+                // 复制内容到内部可变缓冲区，避免多个模型共享同一个 StringBuilder 实例
+                var str = value.ToString();
+                if (!string.Equals(_SignalRtValue, str, StringComparison.Ordinal))
+                {
+                    _SignalRtValueSb.Clear();
+                    _SignalRtValueSb.Append(str);
+                    SignalRtValue = str;
+                }
             }
         }
 
diff --git a/CapMachine.Wpf/LinDrive/ToomossLin.cs b/CapMachine.Wpf/LinDrive/ToomossLin.cs
index 6c8841c..0308339 100644
--- a/CapMachine.Wpf/LinDrive/ToomossLin.cs
+++ b/CapMachine.Wpf/LinDrive/ToomossLin.cs
@@ -77,12 +77,33 @@ namespace CapMachine.Wpf.LinDrive
         /// </summary>
         public HighSpeedDataService HighSpeedDataService { get; set; }
 
+        /// <summary>
+        /// 接收优化上下文：缓存帧与信号的 StringBuilder，避免循环中重复分配
+        /// </summary>
+        private class SignalReadCtx
+        {
+            public string SignalName { get; set; }
+            public StringBuilder SignalNameSB { get; set; }
+            public LinLdfModel ModelRef { get; set; }
+        }
+
+        private class FrameReadCtx
+        {
+            public string MsgName { get; set; }
+            public StringBuilder MsgNameSB { get; set; }
+            public bool IsMasterFrame { get; set; }
+            public List<SignalReadCtx> Signals { get; set; } = new List<SignalReadCtx>();
+        }
+
+        private List<FrameReadCtx> RecvFrameCtxs = new List<FrameReadCtx>();
+
         /// <summary>
         /// 开始LDF文件写入
         /// </summary>
         public ObservableCollection<LinLdfModel> StartLdf(string LdfPath)
         {
             LDF_Parser(LdfPath);
+            BuildRecvFrameCtxs();
             return ListLinLdfModel;
         }
 
@@ -186,6 +207,30 @@ namespace CapMachine.Wpf.LinDrive
         /// </summary>
         public List<LinCmdData> CmdData { get; set; } = new List<LinCmdData>();
 
+        /// <summary>
+        /// 加载要发送的数据（订阅数据变化事件）
+        /// 一般是激活后才注册事件
+        /// </summary>
+        /// <param name="cmdData"></param>
+        public void LoadCmdDataToDrive(List<LinCmdData> cmdData)
+        {
+            // 取消订阅旧数据源事件
+            if (CmdData != null && CmdData.Count > 0)
+            {
+                foreach (var cmd in CmdData)
+                {
+                    cmd.LinCmdDataChangedHandler -= CmdData_LinCmdDataChangedHandler;
+                }
+            }
+
+            // 设置新数据源并订阅事件
+            CmdData = cmdData ?? new List<LinCmdData>();
+            foreach (var cmd in CmdData)
+            {
+                cmd.LinCmdDataChangedHandler += CmdData_LinCmdDataChangedHandler;
+            }
+        }
+
         /// <summary>
         /// 当前激活调度表下，启用的帧/报文名称集合（来自 ListLINScheduleConfig 的 IsMsgActived）。
         /// 为空(null) 表示不过滤，使用所有 CmdData 中的帧；非空则仅对包含在集合内的帧做信号更新与下发。
@@ -337,10 +382,49 @@ namespace CapMachine.Wpf.LinDrive
                 }
             }
 
+            // 构建接收优化上下文，避免每次循环 GroupBy 与临时对象分配
+            BuildRecvFrameCtxs();
+
             //解析成功
             LdfParserState = true;
         }
 
+        /// <summary>
+        /// 构建接收优化上下文
+        /// </summary>
+        private void BuildRecvFrameCtxs()
+        {
+            if (ListLinLdfModel == null || ListLinLdfModel.Count == 0)
+            {
+                RecvFrameCtxs = new List<FrameReadCtx>();
+                return;
+            }
+
+            var grouped = ListLinLdfModel.GroupBy(x => x.MsgName);
+            var list = new List<FrameReadCtx>();
+            foreach (var g in grouped)
+            {
+                var first = g.First();
+                var frame = new FrameReadCtx
+                {
+                    MsgName = g.Key,
+                    MsgNameSB = new StringBuilder(g.Key),
+                    IsMasterFrame = (first.IsMasterFrame != null && first.IsMasterFrame.Contains("是"))
+                };
+                foreach (var model in g)
+                {
+                    frame.Signals.Add(new SignalReadCtx
+                    {
+                        SignalName = model.SignalName,
+                        SignalNameSB = new StringBuilder(model.SignalName),
+                        ModelRef = model
+                    });
+                }
+                list.Add(frame);
+            }
+            RecvFrameCtxs = list;
+        }
+
 
         /// <summary>
         /// 发送LIN数据
@@ -388,32 +472,26 @@ namespace CapMachine.Wpf.LinDrive
                     await Task.Delay(ReviceCycle);
                     try
                     {
-                        var GroupMsg = ListLinLdfModel.GroupBy(x => x.MsgName);
-                        foreach (var itemMsg in GroupMsg)
+                        var frames = RecvFrameCtxs;
+                        if (frames == null || frames.Count == 0)
                         {
-                            var data = itemMsg.FirstOrDefault();
-                            //非主机发送的指令帧就可以读取数据，因为函数 LDF_ExeFrameToBus【执行帧到总线，若该帧的发布者是主机，那么就是主机写数据，否则就是主机读数据】
-                            //那么主机发送和读取都是同一个函数。会导致跟Master主机也会在这里执行写入，导致冲突，出现错误。所以做一个排出
-                            if (data != null && !data.IsMasterFrame!.Contains("是"))
-                            {
-                                //主机读操作，读取从机返回的数据值
-                                LDFParser.LDF_ExeFrameToBus(LDFHandle, new StringBuilder(itemMsg.Key), 1);
-                                foreach (var itemSignal in itemMsg)
-                                {
-                                    //LDFParser.LDF_ExeFrameToBus(LDFHandle, new StringBuilder(itemMsg.Key), 1);
-                                    LDFParser.LDF_GetSignalValueStr(LDFHandle, new StringBuilder(itemMsg.Key), new StringBuilder(itemSignal.SignalName), ReadValueStr);
-                                    itemSignal.SignalRtValueSb = ReadValueStr;
-                                }
-                                //报文给高速记录的服务
-                                //HighSpeedDataService.AppendOrUpdateMsg(new Models.HighSpeed.CommMsg()
-                                //{
-                                //    Category = "LIN",
-                                //    MsgInfo = "0x" + CanMsgBuffer[i].ID.ToString("X8"),
-                                //    MsgData = BitConverter.ToString(CanMsgBuffer[i].Data),
-                                //    Time = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.fff")
-                                //});
-                            }
+                            IsReviceOk = true;
+                            continue;
+                        }
 
+                        foreach (var frame in frames)
+                        {
+                            // 仅对从机发布的帧执行读取
+                            if (frame.IsMasterFrame)
+                                continue;
+
+                            // 主机读操作，读取从机返回的数据值
+                            LDFParser.LDF_ExeFrameToBus(LDFHandle, frame.MsgNameSB, 1);
+                            foreach (var sig in frame.Signals)
+                            {
+                                LDFParser.LDF_GetSignalValueStr(LDFHandle, frame.MsgNameSB, sig.SignalNameSB, ReadValueStr);
+                                sig.ModelRef.SignalRtValueSb = ReadValueStr;
+                            }
                         }
 
                         IsReviceOk = true;
@@ -697,6 +775,11 @@ namespace CapMachine.Wpf.LinDrive
 
         #region 调度器发送报文
 
+        /// <summary>
+        /// 指令数据变化时，更新调度表的线程锁
+        /// </summary>
+        private readonly object SchUpdateLock = new object();
+
         private bool _SchEnable;
         /// <summary>
         /// 调度表使能
@@ -881,12 +964,10 @@ namespace CapMachine.Wpf.LinDrive
                 LoggerService?.Info($"调度表[{ActiveSchName}]已启动(自动执行)");
             }
 
-            // 4) 置位调度更新开关，启动参数更新任务
+            // 4) 置位调度更新开关（事件驱动刷新，不再自动启动周期刷新任务）
             //SchEnable = true;
-            if (CycleUpdateCmdTask == null || CycleUpdateCmdTask.IsCompleted)
-            {
-                StartCycleUpdateCmd();
-            }
+            // 不再自动启动周期更新任务，改为数据变化事件驱动刷新
+            // if (CycleUpdateCmdTask == null || CycleUpdateCmdTask.IsCompleted) { StartCycleUpdateCmd(); }
         }
 
 
@@ -963,6 +1044,67 @@ namespace CapMachine.Wpf.LinDrive
             });
         }
 
+        /// <summary>
+        /// 指令数据发生变化事件回调
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e">消息/帧名称</param>
+        private void CmdData_LinCmdDataChangedHandler(object? sender, string e)
+        {
+            UpdateSchDataByCmdDataChanged(e);
+        }
+
+        /// <summary>
+        /// 指令数据变化时，按消息名增量刷新调度表数据
+        /// </summary>
+        /// <param name="changedMsgName">发生变化的帧名称</param>
+        private void UpdateSchDataByCmdDataChanged(string changedMsgName)
+        {
+            try
+            {
+                // 与CAN保持一致：仅在循环发送开启且调度表使能时才更新
+                if (!IsCycleSend) return;
+                if (!SchEnable) return;
+
+                // 基础防御
+                if (LDFHandle == 0) return;
+                if (string.IsNullOrEmpty(ActiveSchName)) return;
+                if (string.IsNullOrEmpty(changedMsgName)) return;
+
+                // 若配置了激活帧过滤，则不在集合内的帧不更新
+                if (ActiveMsgNames != null && ActiveMsgNames.Count > 0 && !ActiveMsgNames.Contains(changedMsgName))
+                    return;
+
+                lock (SchUpdateLock)
+                {
+                    // 仅更新对应消息/帧的信号值
+                    var relatedCmds = CmdData.Where(x => string.Equals(x.MsgName, changedMsgName, StringComparison.Ordinal));
+                    foreach (var cmd in relatedCmds)
+                    {
+                        LDFParser.LDF_SetSignalValue(LDFHandle, new StringBuilder(changedMsgName), new StringBuilder(cmd.SignalName), cmd.SignalCmdValue);
+                    }
+
+                    // 将更新后的信号值推送到适配器当前运行的调度表（离线表刷新）
+                    var retPush = LDFParser.LDF_SetSchToTable(LDFHandle, new StringBuilder(ActiveSchName), 0);
+                    if (retPush < 0)
+                    {
+                        IsSendOk = false;
+                        LoggerService?.Info($"刷新调度表[{ActiveSchName}]失败, 返回:{retPush}");
+                    }
+                    else
+                    {
+                        IsSendOk = true;
+                        //Console.WriteLine($"Update LIN Schedule Success -- Sch:[{ActiveSchName}] Msg:[{changedMsgName}]");
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                IsSendOk = false;
+                LoggerService?.Info($"时间:{DateTime.Now.ToString()}-【LIN_SCH】-{ex.Message}");
+            }
+        }
+
         /// <summary>
         /// 停止调度表自动执行
         /// </summary>
@@ -971,6 +1113,7 @@ namespace CapMachine.Wpf.LinDrive
             try
             {
                 IsCycleSend = false;
+                SchEnable = false;
                 ActiveMsgNames = null; // 清空激活帧过滤集合
                 if (LDFHandle != 0)
                 {
diff --git a/CapMachine.Wpf/Services/LinDriveService.cs b/CapMachine.Wpf/Services/LinDriveService.cs
index b61cfab..98ecb76 100644
--- a/CapMachine.Wpf/Services/LinDriveService.cs
+++ b/CapMachine.Wpf/Services/LinDriveService.cs
@@ -1,4 +1,4 @@
-using CapMachine.Model.CANLIN;
+using CapMachine.Model.CANLIN;
 using CapMachine.Wpf.Dtos;
 using CapMachine.Wpf.LinDrive;
 using ImTools;
@@ -363,8 +363,12 @@ namespace CapMachine.Wpf.Services
                 {
                     if (CmdData.Count > 0)
                     {
-                        //ToomossLinDrive.IsCycleSend = true;
+                        ////订阅 CmdData 的数据变化事件，确保基于数据变化刷新调度表
+                        //ToomossLinDrive.LoadCmdDataToDrive(CmdData);
+
                         ToomossLinDrive.CmdData = CmdData;
+
+                        //ToomossLinDrive.IsCycleSend = true;
                         //ToomossLinDrive.StartPrecisionCycleSendMsg();
                         //ToomossLinDrive.StartCycleSendMsg();
 
diff --git a/CapMachine.Wpf/ViewModels/LinConfigViewModel.cs b/CapMachine.Wpf/ViewModels/LinConfigViewModel.cs
index e01d0dd..1f4bb60 100644
--- a/CapMachine.Wpf/ViewModels/LinConfigViewModel.cs
+++ b/CapMachine.Wpf/ViewModels/LinConfigViewModel.cs
@@ -1,4 +1,4 @@
-using AutoMapper;
+using AutoMapper;
 using CapMachine.Core;
 using CapMachine.Model.CANLIN;
 using CapMachine.Wpf.CanDrive;
@@ -486,6 +486,8 @@ namespace CapMachine.Wpf.ViewModels
                             LinDriveService.InitLinConfig(SelectCanLinConfigPro);
 
                             InitLoadLinConfigPro();
+                            // 订阅 CmdData 的数据变化事件，用于基于数据变化刷新调度表
+                            LinDriveService.ToomossLinDrive.LoadCmdDataToDrive(LinDriveService.CmdData);
                         }
                         else
                         {
diff --git a/CapMachine.Wpf/Views/DialogLINSchConfigView.xaml b/CapMachine.Wpf/Views/DialogLINSchConfigView.xaml
index 5cade3f..fe4efd7 100644
--- a/CapMachine.Wpf/Views/DialogLINSchConfigView.xaml
+++ b/CapMachine.Wpf/Views/DialogLINSchConfigView.xaml
@@ -167,13 +167,16 @@
                             <!--  子节点模板：文本显示  -->
                             <HierarchicalDataTemplate.ItemTemplate>
                                 <DataTemplate>
-                                    <StackPanel Orientation="Horizontal" VerticalAlignment="Center">
+                                    <StackPanel VerticalAlignment="Center" Orientation="Horizontal">
                                         <CheckBox
                                             Margin="0,0,6,0"
+                                            VerticalAlignment="Center"
                                             IsChecked="{Binding IsSelected, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
-                                            IsEnabled="{Binding CanEdit}"
-                                            VerticalAlignment="Center" />
-                                        <TextBlock FontSize="16" Foreground="DimGray" VerticalAlignment="Center">
+                                            IsEnabled="{Binding CanEdit}" />
+                                        <TextBlock
+                                            VerticalAlignment="Center"
+                                            FontSize="16"
+                                            Foreground="DimGray">
                                             <Run Text="{Binding MsgName}" />
                                             <Run Text=" (Index: " />
                                             <Run Text="{Binding MsgNameIndex}" />