diff --git a/Models/VariableData.cs b/Models/VariableData.cs
index 93e6c31..e4b6fe6 100644
--- a/Models/VariableData.cs
+++ b/Models/VariableData.cs
@@ -1,15 +1,17 @@
-using PMSWPF.Enums;
+using CommunityToolkit.Mvvm.ComponentModel;
+using PMSWPF.Enums;
 
 namespace PMSWPF.Models;
 
 /// <summary>
 /// 表示变量数据信息。
 /// </summary>
-public class VariableData
+public partial class VariableData : ObservableObject
 {
     /// <summary>
     /// 报警的最大值阈值。
     /// </summary>
+
     public double AlarmMax { get; set; }
 
     /// <summary>
@@ -62,6 +64,12 @@ public class VariableData
     /// </summary>
     public bool IsDeleted { get; set; }
 
+    /// <summary>
+    /// 指示变量是否已被修改了。
+    /// </summary>
+    [ObservableProperty]
+    private bool isModified;
+
     /// <summary>
     /// 指示是否需要保存变量数据。
     /// </summary>
@@ -111,4 +119,5 @@ public class VariableData
     /// 关联的变量表ID。
     /// </summary>
     public int VariableTableId { get; set; }
+
 }
\ No newline at end of file
diff --git a/ViewModels/VariableTableViewModel.cs b/ViewModels/VariableTableViewModel.cs
index e400528..896cc34 100644
--- a/ViewModels/VariableTableViewModel.cs
+++ b/ViewModels/VariableTableViewModel.cs
@@ -1,9 +1,11 @@
 using System.Collections.ObjectModel;
 using CommunityToolkit.Mvvm.ComponentModel;
 using CommunityToolkit.Mvvm.Input;
+using Newtonsoft.Json;
 using NLog;
 using PMSWPF.Data.Repositories;
 using PMSWPF.Enums;
+using PMSWPF.Extensions;
 using PMSWPF.Helper;
 using PMSWPF.Models;
 using PMSWPF.Services;
@@ -23,6 +25,8 @@ partial class VariableTableViewModel : ViewModelBase
     [ObservableProperty]
     private ObservableCollection<VariableData> _dataVariables;
 
+    private ObservableCollection<VariableData> _originalDataVariables;
+
     [ObservableProperty]
     private VariableData _selectedVariableData;
 
@@ -50,6 +54,10 @@ partial class VariableTableViewModel : ViewModelBase
         if (VariableTable.DataVariables != null)
         {
             DataVariables = new ObservableCollection<VariableData>(VariableTable.DataVariables);
+            // 3. 创建原始数据的深拷贝备份
+            // 推荐使用 JSON 序列化/反序列化进行深度拷贝
+            var serialized = JsonConvert.SerializeObject(DataVariables);
+            _originalDataVariables = JsonConvert.DeserializeObject<ObservableCollection<VariableData>>(serialized);
         }
 
 
@@ -113,6 +121,13 @@ partial class VariableTableViewModel : ViewModelBase
         }
     }
 
+    public void OnVarTableDataChanged(VariableData varData)
+    {
+        var originelData = _originalDataVariables.FirstOrDefault(d => d.Id == varData.Id);
+
+        // varData.IsModified = originelData.Equals(varData);
+        // varData.IsModified = originelData.ValueEquals(varData);
+    }
 
     public async Task OnIsActiveChanged(bool active)
     {
diff --git a/Views/VariableTableView.xaml b/Views/VariableTableView.xaml
index e6d0d79..f10b85e 100644
--- a/Views/VariableTableView.xaml
+++ b/Views/VariableTableView.xaml
@@ -8,11 +8,20 @@
              xmlns:vm="clr-namespace:PMSWPF.ViewModels"
              xmlns:controls="http://schemas.inkore.net/lib/ui/wpf/modern"
              mc:Ignorable="d"
+             xmlns:vc="clr-namespace:PMSWPF.ValueConverts"
+             xmlns:ex="clr-namespace:PMSWPF.Extensions"
+             xmlns:en="clr-namespace:PMSWPF.Enums"
              Loaded="VariableTableView_OnLoaded"
              d:DataContext="{d:DesignInstance vm:VariableTableViewModel}"
              d:DesignHeight="600"
              d:DesignWidth="800">
     <UserControl.Resources>
+        <ex:EnumBindingSource x:Key="signalType"
+                              EnumType="{x:Type en:SignalType}" />
+        <ex:EnumBindingSource x:Key="protocolType"
+                              EnumType="{x:Type en:ProtocolType}" />
+        <vc:EnumDescriptionConverter x:Key="EnumDescriptionConverter" />
+
         <!-- 标签字体的样式 -->
         <Style TargetType="TextBlock"
                x:Key="VarTableLabelStyle">
@@ -101,27 +110,93 @@
         </ikw:SimpleStackPanel>
 
         <DataGrid Margin="10"
+                  CellEditEnding="DataGrid_OnCellEditEnding"
                   AutoGenerateColumns="False"
                   CanUserSortColumns="True"
                   SelectedItem="{Binding SelectedVariableData}"
                   ItemsSource="{Binding DataVariables}">
+            <DataGrid.RowStyle>
+                <Style TargetType="DataGridRow">
+                    <!-- <Setter Property="Background" Value="#fff"/> -->
+
+                    <Style.Triggers>
+                        <DataTrigger Binding="{Binding IsModified}"
+                                     Value="True">
+                            <Setter Property="Background"
+                                    Value="Pink" />
+                            <Setter Property="Foreground"
+                                    Value="#000" />
+                            <Setter Property="FontWeight"
+                                    Value="Bold" />
+                        </DataTrigger>
+
+                        <Trigger Property="IsMouseOver"
+                                 Value="True">
+                            <Setter Property="Background"
+                                    Value="LightBlue" />
+                        </Trigger>
+                        <Trigger Property="IsSelected"
+                                 Value="True">
+                            <Setter Property="Background"
+                                    Value="DodgerBlue" />
+                            <Setter Property="Foreground"
+                                    Value="White" />
+                        </Trigger>
+                    </Style.Triggers>
+                </Style>
+            </DataGrid.RowStyle>
+
+
             <DataGrid.Columns>
-                <DataGridTextColumn Header="名称" Binding="{Binding Name}" />
-                <DataGridTextColumn Header="描述" Binding="{Binding Description}" />
-                <DataGridTextColumn Header="节点ID" Binding="{Binding NodeId}" />
-                <DataGridTextColumn Header="协议类型" Binding="{Binding ProtocolType}" />
-                <DataGridTextColumn Header="数据类型" Binding="{Binding DataType}" />
-                <DataGridTextColumn Header="信号类型" Binding="{Binding SignalType}" />
-                <DataGridTextColumn Header="当前值" Binding="{Binding DataValue}" />
-                <DataGridTextColumn Header="显示值" Binding="{Binding DisplayValue}" />
-                <DataGridTextColumn Header="更新时间" Binding="{Binding UpdateTime}" />
-                <DataGridTextColumn Header="转换规则" Binding="{Binding Converstion}" />
-                <DataGridCheckBoxColumn Header="启用" Binding="{Binding IsActive}" />
-                <DataGridCheckBoxColumn Header="保存" Binding="{Binding IsSave}" />
-                <DataGridTextColumn Header="保存范围" Binding="{Binding SaveRange}" />
-                <DataGridCheckBoxColumn Header="报警" Binding="{Binding IsAlarm}" />
-                <DataGridTextColumn Header="报警最小值" Binding="{Binding AlarmMin}" />
-                <DataGridTextColumn Header="报警最大值" Binding="{Binding AlarmMax}" />
+                <DataGridTextColumn Header="名称"
+                                    Binding="{Binding Name}" />
+                <DataGridTextColumn Header="描述"
+                                    Binding="{Binding Description}" />
+                <DataGridTextColumn IsReadOnly="True"
+                                    Header="节点ID"
+                                    Binding="{Binding NodeId}" />
+                <DataGridTextColumn IsReadOnly="True"
+                                    Header="协议类型"
+                                    Binding="{Binding ProtocolType}" />
+                <DataGridTextColumn IsReadOnly="True"
+                                    Header="数据类型"
+                                    Binding="{Binding DataType}" />
+                <DataGridTemplateColumn Header="信号类型">
+                    <DataGridTemplateColumn.CellTemplate>
+                        <DataTemplate>
+                            <TextBlock Text="{Binding SignalType, Converter={StaticResource EnumDescriptionConverter}}" />
+                        </DataTemplate>
+                    </DataGridTemplateColumn.CellTemplate>
+                    <DataGridTemplateColumn.CellEditingTemplate>
+                        <DataTemplate>
+                            <ComboBox ItemsSource="{Binding Source={StaticResource signalType}}"
+                                      SelectedItem="{Binding SignalType}" />
+                        </DataTemplate>
+                    </DataGridTemplateColumn.CellEditingTemplate>
+                </DataGridTemplateColumn>
+                <DataGridTextColumn IsReadOnly="True"
+                                    Header="当前值"
+                                    Binding="{Binding DataValue}" />
+                <DataGridTextColumn IsReadOnly="True"
+                                    Header="显示值"
+                                    Binding="{Binding DisplayValue}" />
+                <DataGridTextColumn IsReadOnly="True"
+                                    Header="更新时间"
+                                    Binding="{Binding UpdateTime}" />
+                <DataGridTextColumn Header="转换规则"
+                                    Binding="{Binding Converstion}" />
+                <DataGridCheckBoxColumn Header="启用"
+                                        Binding="{Binding IsActive}" />
+                <DataGridCheckBoxColumn Header="保存"
+                                        Binding="{Binding IsSave}" />
+                <DataGridTextColumn Header="保存范围"
+                                    Binding="{Binding SaveRange}" />
+                <DataGridCheckBoxColumn Header="报警"
+                                        Binding="{Binding IsAlarm}" />
+                <DataGridTextColumn Header="报警最小值"
+                                    Binding="{Binding AlarmMin}" />
+                <DataGridTextColumn Header="报警最大值"
+                                    Binding="{Binding AlarmMax}" />
             </DataGrid.Columns>
         </DataGrid>
     </DockPanel>
diff --git a/Views/VariableTableView.xaml.cs b/Views/VariableTableView.xaml.cs
index 649c791..2ed0389 100644
--- a/Views/VariableTableView.xaml.cs
+++ b/Views/VariableTableView.xaml.cs
@@ -1,16 +1,23 @@
 using System.Windows;
 using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Media;
 using iNKORE.UI.WPF.Modern.Controls;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
+using NLog;
+using PMSWPF.Enums;
 using PMSWPF.Helper;
+using PMSWPF.Models;
 using PMSWPF.ViewModels;
 
 namespace PMSWPF.Views;
 
 public partial class VariableTableView : UserControl
 {
+    private static readonly Logger Logger = LogManager.GetCurrentClassLogger();
     public bool IsLoadCompletion;
+    private VariableTableViewModel _viewModel;
 
     public VariableTableView()
     {
@@ -23,7 +30,7 @@ public partial class VariableTableView : UserControl
     {
         try
         {
-            var _viewModel = (VariableTableViewModel)this.DataContext;
+            _viewModel = (VariableTableViewModel)this.DataContext;
             // 判断如果没有加载完成就跳过，防止ToggleSwtich加载的时候触发
             if (!_viewModel.IsLoadCompletion || !IsLoadCompletion)
                 return;
@@ -41,4 +48,64 @@ public partial class VariableTableView : UserControl
     {
         IsLoadCompletion = true;
     }
+
+    private void DataGrid_OnCellEditEnding(object? sender, DataGridCellEditEndingEventArgs args)
+    {
+        if (args.EditAction != DataGridEditAction.Commit)
+            return;
+
+        try
+        {
+            // 获取到改变后的值和绑定的属性名
+            VariableData varData = (VariableData)args.Row.Item;
+            var element = args.EditingElement;
+            object newValue = null;
+            string bindingPath = "";
+
+            if (element is TextBox textBox)
+            {
+                newValue = textBox.Text;
+                DataGridTextColumn textColumn = (DataGridTextColumn)args.Column;
+                bindingPath = (textColumn.Binding as Binding)?.Path.Path;
+            }
+            else if (element is CheckBox checkBox)
+            {
+                newValue = checkBox.IsChecked;
+                DataGridCheckBoxColumn checkBoxColumn = (DataGridCheckBoxColumn)args.Column;
+                bindingPath = (checkBoxColumn.Binding as Binding)?.Path.Path;
+            }
+            else if (args.Column.Header.ToString() == "信号类型")
+            {
+                var comboBox = VisualTreeHelper.GetChild(element, 0) as ComboBox;
+                if (comboBox != null)
+                {
+                    newValue = comboBox.SelectedItem;
+                    bindingPath = "SignalType";
+                }
+            }
+            else
+            {
+                return;
+            }
+
+            if (newValue == null || string.IsNullOrEmpty(bindingPath))
+                return;
+            // 通过反射拿到值
+            var pathPropertyInfo = varData.GetType()
+                                          .GetProperty(bindingPath);
+            var oldValue = pathPropertyInfo.GetValue(varData);
+            // 判断值是否相等
+            if (newValue.ToString() != oldValue?.ToString())
+            {
+                varData.IsModified = true;
+            }
+
+        }
+        catch (Exception e)
+        {
+            string msg = "编辑变量表数据时发生了错误：";
+            Logger.Error(msg + e);
+            NotificationHelper.ShowMessage(msg + e.Message, NotificationType.Error);
+        }
+    }
 }
\ No newline at end of file