diff --git a/DMS.Application/Configurations/AppSettings.cs b/DMS.Application/Configurations/AppSettings.cs
index ba83bff..eb56bee 100644
--- a/DMS.Application/Configurations/AppSettings.cs
+++ b/DMS.Application/Configurations/AppSettings.cs
@@ -3,10 +3,15 @@ using Newtonsoft.Json;
 
 namespace DMS.Application.Configurations
 {
-   
+
 
     public class AppSettings
     {
+        private static readonly string SettingsFilePath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, ConfigJsonFileName);
+
+        private const string ConfigJsonFileName = "dms_config.json";
+
+
         public class Database
         {
             public string DbType { get; set; } = "MySql";
@@ -16,37 +21,47 @@ namespace DMS.Application.Configurations
             public string Password { get; set; } = "Pgw15221236646";
             public string DbName { get; set; } = "dms_test";
         }
-        
-        
+
+
         public Database Db { get; set; } = new Database();
+
+        public Variable VariableImportTemplate = new Variable()
+        {
+            IsActive = true,
+            PollingInterval = 30000,
+            IsHistoryEnabled = true,
+            HistoryDeadband = 0
+        };
+
         public string Theme { get; set; } = "跟随系统";
-        public bool EnableS7Service { get; set; } = true;
-        public bool EnableMqttService { get; set; } = true;
-        public bool EnableOpcUaService { get; set; } = true;
         public bool MinimizeToTrayOnClose { get; set; } = true;
-        public List<MenuBean> Menus { get; set; } = new List<MenuBean>();
 
-        public int DefaultPollingInterval { get; set; } = 30000; // 默认轮询间隔30秒
-
-        private static readonly string SettingsFilePath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, ConfigJsonFileName);
         
-        private const string ConfigJsonFileName = "dms_config.json";
 
-        public  AppSettings? Load()
+        public void Load()
         {
             if (File.Exists(SettingsFilePath))
             {
                 string json = File.ReadAllText(SettingsFilePath);
                 AppSettings? appSettings = JsonConvert.DeserializeObject<AppSettings>(json);
-                return appSettings ?? throw new InvalidOperationException("加载配置文件出现了错误。");
+                if (appSettings != null)
+                {
+                    this.Db= appSettings.Db;
+                    this.VariableImportTemplate = appSettings.VariableImportTemplate;
+                    this.Theme=appSettings.Theme;
+                    this.MinimizeToTrayOnClose=appSettings.MinimizeToTrayOnClose;
+                }
+                else
+                {
+                    throw new InvalidOperationException("加载配置文件出现了错误。");
+                }
             }
-                return null;
         }
 
         public void Save()
         {
-            string json = JsonConvert.SerializeObject(this, Formatting.Indented);
-            File.WriteAllText(SettingsFilePath, json);
+                string json = JsonConvert.SerializeObject(this, Formatting.Indented);
+                File.WriteAllText(SettingsFilePath, json);
         }
 
         public string ToConnectionString()
diff --git a/DMS.WPF/App.xaml.cs b/DMS.WPF/App.xaml.cs
index 903f7e6..f6ef457 100644
--- a/DMS.WPF/App.xaml.cs
+++ b/DMS.WPF/App.xaml.cs
@@ -25,6 +25,7 @@ using DMS.Infrastructure.Services.Mqtt;
 using DMS.Infrastructure.Services.OpcUa;
 using DMS.Infrastructure.Services.S7;
 using DMS.WPF.Converters;
+using DMS.WPF.Factories;
 using DMS.WPF.Helper;
 using DMS.WPF.Interfaces;
 using DMS.WPF.Logging;
@@ -346,6 +347,9 @@ public partial class App : System.Windows.Application
         services.AddTransient<EmailAccountDialogViewModel>();
         services.AddTransient<EmailTemplateDialogViewModel>();
         services.AddTransient<TriggerDialogViewModel>(); // 注册 TriggerEditorViewModel
+        
+        // 注册工厂
+        services.AddTransient<IVariableItemViewModelFactory, VariableItemViewModelFactory>();
 
         // 注册View视图
         services.AddSingleton<SplashWindow>();
diff --git a/DMS.WPF/Factories/VariableItemViewModelFactory.cs b/DMS.WPF/Factories/VariableItemViewModelFactory.cs
new file mode 100644
index 0000000..46ad0a5
--- /dev/null
+++ b/DMS.WPF/Factories/VariableItemViewModelFactory.cs
@@ -0,0 +1,55 @@
+using DMS.Application.DTOs;
+using DMS.WPF.ViewModels.Items;
+using DMS.Application.Configurations;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace DMS.WPF.Factories
+{
+    /// <summary>
+    /// VariableItemViewModel工厂类
+    /// 专门用于构建VariableItemViewModel实例
+    /// </summary>
+    public interface IVariableItemViewModelFactory
+    {
+        /// <summary>
+        /// 从VariableDto创建VariableItemViewModel实例
+        /// </summary>
+        /// <param name="variableDto">变量数据传输对象</param>
+        /// <returns>VariableItemViewModel实例</returns>
+        VariableItemViewModel CreateNewVariableItemViewModel();
+        
+    }
+
+    public class VariableItemViewModelFactory : IVariableItemViewModelFactory
+    {
+        private readonly IServiceProvider _serviceProvider;
+        private readonly AppSettings _appSettings;
+
+        public VariableItemViewModelFactory(AppSettings appSettings)
+        {
+            _appSettings = appSettings;
+        }
+
+        /// <summary>
+        /// 从VariableDto创建VariableItemViewModel实例
+        /// </summary>
+        /// <param name="variableDto">变量数据传输对象</param>
+        /// <returns>VariableItemViewModel实例</returns>
+        public VariableItemViewModel CreateNewVariableItemViewModel()
+        {
+
+            var viewModel = new VariableItemViewModel()
+            {
+               
+                IsActive = _appSettings.VariableImportTemplate.IsActive,                
+                IsHistoryEnabled = _appSettings.VariableImportTemplate.IsHistoryEnabled,                  
+                HistoryDeadband = _appSettings.VariableImportTemplate.HistoryDeadband,                
+                PollingInterval = _appSettings.VariableImportTemplate.PollingInterval,                
+            };
+
+
+            return viewModel;
+        }
+
+    }
+}
\ No newline at end of file
diff --git a/DMS.WPF/ViewModels/Dialogs/ImportOpcUaDialogViewModel.cs b/DMS.WPF/ViewModels/Dialogs/ImportOpcUaDialogViewModel.cs
index c28b371..77bc692 100644
--- a/DMS.WPF/ViewModels/Dialogs/ImportOpcUaDialogViewModel.cs
+++ b/DMS.WPF/ViewModels/Dialogs/ImportOpcUaDialogViewModel.cs
@@ -6,6 +6,7 @@ using CommunityToolkit.Mvvm.Input;
 using DMS.Core.Enums;
 using DMS.Infrastructure.Interfaces.Services;
 using DMS.Infrastructure.Models;
+using DMS.WPF.Factories;
 using DMS.WPF.Interfaces;
 using DMS.WPF.Services;
 using DMS.WPF.ViewModels.Items;
@@ -79,17 +80,18 @@ public partial class ImportOpcUaDialogViewModel : DialogViewModelBase<List<Varia
     /// OPC UA服务接口实例
     /// </summary>
     private readonly IOpcUaService _opcUaService;
-    
+    private readonly IVariableItemViewModelFactory _variableItemViewModelFactory;
+
     /// <summary>
     /// 对象映射器实例
     /// </summary>
     private readonly IMapper _mapper;
-    
+
     /// <summary>
     /// 取消令牌源，用于取消长时间运行的操作
     /// </summary>
     private readonly CancellationTokenSource _cancellationTokenSource;
-    
+
     /// <summary>
     /// 通知服务实例
     /// </summary>
@@ -102,9 +104,11 @@ public partial class ImportOpcUaDialogViewModel : DialogViewModelBase<List<Varia
     /// <param name="opcUaService">OPC UA服务接口实例</param>
     /// <param name="mapper">对象映射器实例</param>
     /// <param name="notificationService">通知服务实例</param>
-    public ImportOpcUaDialogViewModel(IOpcUaService opcUaService, IMapper mapper, INotificationService notificationService)
+    public ImportOpcUaDialogViewModel(IOpcUaService opcUaService, IVariableItemViewModelFactory variableItemViewModelFactory,
+        IMapper mapper, INotificationService notificationService)
     {
         _opcUaService = opcUaService;
+        _variableItemViewModelFactory = variableItemViewModelFactory;
         _mapper = mapper;
         _notificationService = notificationService;
         // 初始化根节点
@@ -319,7 +323,7 @@ public partial class ImportOpcUaDialogViewModel : DialogViewModelBase<List<Varia
 
             // 异步浏览节点获取子节点列表
             var children = await _opcUaService.BrowseNode(_mapper.Map<OpcUaNode>(node));
-            
+
             // 再次检查是否有取消请求
             _cancellationTokenSource.Token.ThrowIfCancellationRequested();
 
@@ -332,15 +336,15 @@ public partial class ImportOpcUaDialogViewModel : DialogViewModelBase<List<Varia
                 // 判断节点类型是否为变量
                 if (child.NodeClass == NodeClass.Variable)
                 {
+                    var variableItem = _variableItemViewModelFactory.CreateNewVariableItemViewModel();
+                    variableItem.Name = child.DisplayName;
+                    variableItem.OpcUaNodeId = child.NodeId.ToString();
+                    variableItem.Protocol = ProtocolType.OpcUa;
+                    variableItem.DataType = child.DataType;
+
+
                     // 创建并添加变量项到变量列表
-                    OpcUaNodeVariables.Add(new VariableItemViewModel
-                    {
-                        Name = child.DisplayName,           // 变量名称
-                        OpcUaNodeId = child.NodeId.ToString(), // OPC UA节点ID
-                        Protocol = ProtocolType.OpcUa,       // 协议类型
-                        DataType = child.DataType,    // C#数据类型
-                        IsActive = true                      // 默认激活状态
-                    });
+                    OpcUaNodeVariables.Add(variableItem);
                 }
                 // 如果是递归模式且节点不是变量，则递归浏览子节点
                 else if (isRecursive)
diff --git a/DMS.WPF/ViewModels/Items/VariableItemViewModel.cs b/DMS.WPF/ViewModels/Items/VariableItemViewModel.cs
index d3d94cd..ca1b7ed 100644
--- a/DMS.WPF/ViewModels/Items/VariableItemViewModel.cs
+++ b/DMS.WPF/ViewModels/Items/VariableItemViewModel.cs
@@ -122,9 +122,6 @@ public partial class VariableItemViewModel : ObservableObject
     
     public VariableItemViewModel()
     {
-        // 使用默认值，实际的默认值应该从外部传入或通过其他方式设置
-        // 保持构造函数轻量级，不加载配置文件
-        _pollingInterval = App.Current.Services.GetRequiredService<AppSettings>().DefaultPollingInterval; // 默认值，可通过外部设置覆盖
     }
     
 
diff --git a/DMS.WPF/ViewModels/SettingViewModel.cs b/DMS.WPF/ViewModels/SettingViewModel.cs
index 5d46b0e..7c1ff25 100644
--- a/DMS.WPF/ViewModels/SettingViewModel.cs
+++ b/DMS.WPF/ViewModels/SettingViewModel.cs
@@ -135,19 +135,63 @@ public partial class SettingViewModel : ViewModelBase
         }
     }
     
-    public int DefaultPollingInterval
+    public int VariablePollingInterval
     {
-        get => _settings.DefaultPollingInterval;
+        get => _settings.VariableImportTemplate.PollingInterval;
         set
         {
-            if (_settings.DefaultPollingInterval != value)
+            if (_settings.VariableImportTemplate.PollingInterval != value)
             {
-                _settings.DefaultPollingInterval = value;
+                _settings.VariableImportTemplate.PollingInterval = value;
                 OnPropertyChanged();
                 _settings.Save();
             }
         }
     }
+    
+    public bool VariableIsActive
+    {
+        get => _settings.VariableImportTemplate.IsActive;
+        set
+        {
+            if (_settings.VariableImportTemplate.IsActive != value)
+            {
+                _settings.VariableImportTemplate.IsActive = value;
+                OnPropertyChanged();
+                _settings.Save();
+            }
+        }
+    }
+    
+    public bool VariableIsHistoryEnabled
+    {
+        get => _settings.VariableImportTemplate.IsHistoryEnabled;
+        set
+        {
+            if (_settings.VariableImportTemplate.IsHistoryEnabled != value)
+            {
+                _settings.VariableImportTemplate.IsHistoryEnabled = value;
+                OnPropertyChanged();
+                _settings.Save();
+            }
+        }
+    }
+    
+    public double VariableHistoryDeadband
+    {
+        get => _settings.VariableImportTemplate.HistoryDeadband;
+        set
+        {
+            if (_settings.VariableImportTemplate.HistoryDeadband != value)
+            {
+                _settings.VariableImportTemplate.HistoryDeadband = value;
+                OnPropertyChanged();
+                _settings.Save();
+            }
+        }
+    }
+
+
 
     [RelayCommand]
     private async Task TestConnection()
diff --git a/DMS.WPF/ViewModels/SplashViewModel.cs b/DMS.WPF/ViewModels/SplashViewModel.cs
index 39aefe6..e0e33b7 100644
--- a/DMS.WPF/ViewModels/SplashViewModel.cs
+++ b/DMS.WPF/ViewModels/SplashViewModel.cs
@@ -52,10 +52,7 @@ public partial class SplashViewModel : ObservableObject
         try
         {
             LoadingMessage = "正在加载系统配置...";
-            if (_appSettings.Load() == null)
-            {
-                //程序第一次启动
-            }
+            _appSettings.Load();
 
             _logger.LogInformation("正在初始化数据库...");
             LoadingMessage = "正在初始化数据库...";
diff --git a/DMS.WPF/ViewModels/VariableTableViewModel.cs b/DMS.WPF/ViewModels/VariableTableViewModel.cs
index d8f3798..1f15479 100644
--- a/DMS.WPF/ViewModels/VariableTableViewModel.cs
+++ b/DMS.WPF/ViewModels/VariableTableViewModel.cs
@@ -11,7 +11,6 @@ using DMS.Core.Events;
 using DMS.Core.Models;
 using DMS.WPF.Interfaces;
 using DMS.WPF.ViewModels.Dialogs;
-using DMS.WPF.ViewModels.Dialogs;
 using DMS.WPF.ViewModels.Items;
 using Microsoft.Extensions.DependencyInjection;
 using ObservableCollections;
@@ -329,6 +328,8 @@ partial class VariableTableViewModel : ViewModelBase, INavigatable
                 return; // 用户取消或没有选择任何变量
             }
 
+
+
             // 将导入的变量转换为DTO并设置必要的属性
             var importedVariableDtos = _mapper.Map<List<VariableDto>>(importedVariables);
             foreach (var variableDto in importedVariableDtos)
diff --git a/DMS.WPF/Views/MainView.xaml.cs b/DMS.WPF/Views/MainView.xaml.cs
index f19a269..6a0d4fc 100644
--- a/DMS.WPF/Views/MainView.xaml.cs
+++ b/DMS.WPF/Views/MainView.xaml.cs
@@ -31,17 +31,6 @@ public partial class MainView : Window
 
     private void Window_Closing(object sender, System.ComponentModel.CancelEventArgs e)
     {
-        // var settings = Config.AppSettings.Load();
-        // if (settings.MinimizeToTrayOnClose)
-        // {
-        //     // Hide the window instead of closing it
-        //     e.Cancel = true;
-        //     Hide();
-        // }
-        // else
-        // {
-        //     Application.Current.Shutdown();
-        // }
     }
 
     public void ShowApplication()
diff --git a/DMS.WPF/Views/SettingView.xaml b/DMS.WPF/Views/SettingView.xaml
index 1e674fa..b16fe09 100644
--- a/DMS.WPF/Views/SettingView.xaml
+++ b/DMS.WPF/Views/SettingView.xaml
@@ -84,10 +84,25 @@
 
         </ui:SettingsExpander>
 
-        <ui:SettingsExpander>
+        <ui:SettingsExpander Description="设置变量默认导入的状态" Header="变量导入设置">
             <ui:SettingsExpander.HeaderIcon>
-                <ui:FontIcon Icon="{x:Static ui:SegoeFluentIcons.ScreenTime}" />
+                <ui:FontIcon FontFamily="{StaticResource MdFontIcons}" Glyph="&#xF02FA;" />
             </ui:SettingsExpander.HeaderIcon>
+
+            <ui:SettingsExpander.Items>
+                <ui:SettingsCard Description="默认变量读取的间隔时间" Header="轮询时间">
+                    <TextBox MinWidth="200" Text="{Binding VariablePollingInterval}" />
+                </ui:SettingsCard>
+                <ui:SettingsCard Description="默认变量是否启用" Header="是否启用">
+                    <CheckBox MinWidth="200" IsChecked="{Binding VariableIsActive}" />
+                </ui:SettingsCard>
+                <ui:SettingsCard Description="默认变量是否开启历史记录" Header="是否保存">
+                    <CheckBox MinWidth="200" IsChecked="{Binding VariableIsHistoryEnabled}" />
+                </ui:SettingsCard>
+                <ui:SettingsCard Description="默认变量历史记录变化返回，正负超过设定的范围才保存" Header="保存范围">
+                    <TextBox MinWidth="200" Text="{Binding VariableHistoryDeadband}" />
+                </ui:SettingsCard>
+            </ui:SettingsExpander.Items>
         </ui:SettingsExpander>
 
 
diff --git a/DMS.WPF/Views/VariableTableView.xaml b/DMS.WPF/Views/VariableTableView.xaml
index 456c144..95a673f 100644
--- a/DMS.WPF/Views/VariableTableView.xaml
+++ b/DMS.WPF/Views/VariableTableView.xaml
@@ -41,85 +41,86 @@
 
     <DockPanel>
 
-        <ikw:SimpleStackPanel DockPanel.Dock="Top" Margin="10" >
-            <Grid >
+        <ikw:SimpleStackPanel Margin="10" DockPanel.Dock="Top">
+            <Grid>
                 <Grid.ColumnDefinitions>
-                    <ColumnDefinition Width="Auto"/>
-                    <ColumnDefinition Width="*"/>
+                    <ColumnDefinition Width="Auto" />
+                    <ColumnDefinition Width="*" />
                 </Grid.ColumnDefinitions>
-                
-                <!-- 返回设备详情按钮 -->
-                <Button Grid.Column="0" 
-                        Command="{Binding NavigateToDeviceDetailCommand}"
-                        Style="{StaticResource ButtonDefault}"
-                        ToolTip="返回设备详情"
-                        Margin="0,0,10,0">
+
+                <!--  返回设备详情按钮  -->
+                <Button
+                    Grid.Column="0"
+                    Margin="0,0,10,0"
+                    Command="{Binding NavigateToDeviceDetailCommand}"
+                    Style="{StaticResource ButtonDefault}"
+                    ToolTip="返回设备详情">
                     <Button.Content>
                         <StackPanel Orientation="Horizontal">
-                            <ui:FontIcon
-                                Icon="{x:Static ui:SegoeFluentIcons.ArrowLeft8}" />
+                            <ui:FontIcon Icon="{x:Static ui:SegoeFluentIcons.ArrowLeft8}" />
                         </StackPanel>
                     </Button.Content>
                 </Button>
-                
+
                 <!--  操作菜单  -->
-                <controls:CommandBar Grid.Column="1"
+                <controls:CommandBar
                     x:Name="PrimaryCommandBar"
+                    Grid.Column="1"
                     DefaultLabelPosition="Right"
                     IsOpen="False">
-                <ui:AppBarButton Command="{Binding AddVariableCommand}" Label="添加变量">
-                    <ui:AppBarButton.Icon>
-                        <ui:FontIcon Icon="{x:Static ui:SegoeFluentIcons.Add}" />
-                    </ui:AppBarButton.Icon>
-                </ui:AppBarButton>
+                    <ui:AppBarButton Command="{Binding AddVariableCommand}" Label="添加变量">
+                        <ui:AppBarButton.Icon>
+                            <ui:FontIcon Icon="{x:Static ui:SegoeFluentIcons.Add}" />
+                        </ui:AppBarButton.Icon>
+                    </ui:AppBarButton>
 
-                <ui:AppBarButton Command="{Binding UpdateVariableCommand}" Label="编辑变量">
-                    <ui:AppBarButton.Icon>
-                        <ui:FontIcon Icon="{x:Static ui:SegoeFluentIcons.Edit}" />
-                    </ui:AppBarButton.Icon>
-                </ui:AppBarButton>
+                    <ui:AppBarButton Command="{Binding UpdateVariableCommand}" Label="编辑变量">
+                        <ui:AppBarButton.Icon>
+                            <ui:FontIcon Icon="{x:Static ui:SegoeFluentIcons.Edit}" />
+                        </ui:AppBarButton.Icon>
+                    </ui:AppBarButton>
 
-                <ui:AppBarButton Command="{Binding DeleteVariableCommand}" Label="删除变量">
-                    <ui:AppBarButton.Icon>
-                        <ui:FontIcon Icon="{x:Static ui:SegoeFluentIcons.Delete}" />
-                    </ui:AppBarButton.Icon>
-                </ui:AppBarButton>
+                    <ui:AppBarButton Command="{Binding DeleteVariableCommand}" Label="删除变量">
+                        <ui:AppBarButton.Icon>
+                            <ui:FontIcon Icon="{x:Static ui:SegoeFluentIcons.Delete}" />
+                        </ui:AppBarButton.Icon>
+                    </ui:AppBarButton>
 
-                <ui:AppBarButton
-                    Command="{Binding ImprotFromTiaVarTableCommand}"
-                    Label="从TIA变量表导入"
-                    Visibility="{Binding IsS7ProtocolSelected, Converter={StaticResource BooleanToVisibilityConverter}}">
-                    <ui:AppBarButton.Icon>
-                        <ui:FontIcon Icon="{x:Static ui:SegoeFluentIcons.Import}" />
-                    </ui:AppBarButton.Icon>
-
-                </ui:AppBarButton>
-
-                <ui:AppBarButton
-                    Command="{Binding ImportFromOpcUaServerCommand}"
-                    Label="从OPC UA服务器导入"
-                    Visibility="{Binding IsOpcUaProtocolSelected, Converter={StaticResource BooleanToVisibilityConverter}}">
-                    <ui:AppBarButton.Icon>
-                        <ui:FontIcon Icon="{x:Static ui:SegoeFluentIcons.Import}" />
-                    </ui:AppBarButton.Icon>
-
-                </ui:AppBarButton>
-
-
-                <ui:AppBarButton x:Name="ShareButton" Label="Share">
-                    <ui:AppBarButton.Icon>
-                        <ui:FontIcon Icon="{x:Static ui:SegoeFluentIcons.Share}" />
-                    </ui:AppBarButton.Icon>
-                </ui:AppBarButton>
-                <ui:CommandBar.SecondaryCommands>
                     <ui:AppBarButton
-                        x:Name="SettingsButton"
-                        Icon="Setting"
-                        Label="Settings" />
-                </ui:CommandBar.SecondaryCommands>
+                        Command="{Binding ImprotFromTiaVarTableCommand}"
+                        Label="从TIA变量表导入"
+                        Visibility="{Binding IsS7ProtocolSelected, Converter={StaticResource BooleanToVisibilityConverter}}">
+                        <ui:AppBarButton.Icon>
+                            <ui:FontIcon Icon="{x:Static ui:SegoeFluentIcons.Import}" />
+                        </ui:AppBarButton.Icon>
 
-               </controls:CommandBar>
-           </Grid>
+                    </ui:AppBarButton>
+
+                    <ui:AppBarButton
+                        Command="{Binding ImportFromOpcUaServerCommand}"
+                        Label="从OPC UA服务器导入"
+                        Visibility="{Binding IsOpcUaProtocolSelected, Converter={StaticResource BooleanToVisibilityConverter}}">
+                        <ui:AppBarButton.Icon>
+                            <ui:FontIcon Icon="{x:Static ui:SegoeFluentIcons.Import}" />
+                        </ui:AppBarButton.Icon>
+
+                    </ui:AppBarButton>
+
+
+                    <ui:AppBarButton x:Name="ShareButton" Label="Share">
+                        <ui:AppBarButton.Icon>
+                            <ui:FontIcon Icon="{x:Static ui:SegoeFluentIcons.Share}" />
+                        </ui:AppBarButton.Icon>
+                    </ui:AppBarButton>
+                    <ui:CommandBar.SecondaryCommands>
+                        <ui:AppBarButton
+                            x:Name="SettingsButton"
+                            Icon="Setting"
+                            Label="Settings" />
+                    </ui:CommandBar.SecondaryCommands>
+
+                </controls:CommandBar>
+            </Grid>
             <!--  变量表的名称描述等信息  -->
             <ikw:SimpleStackPanel
                 Margin="5"
@@ -148,7 +149,7 @@
                     Text="{Binding SearchText, UpdateSourceTrigger=PropertyChanged}" />
             </ikw:SimpleStackPanel>
 
-            
+
         </ikw:SimpleStackPanel>
         <DataGrid
             x:Name="BasicGridView"
@@ -206,9 +207,7 @@
                             <ui:FontIcon Icon="{x:Static ui:SegoeFluentIcons.Edit}" />
                         </MenuItem.Icon>
                     </MenuItem>
-                    <MenuItem
-                        Command="{Binding ModifyConversionFormulaCommand}"
-                        Header="修改数值转换公式">
+                    <MenuItem Command="{Binding ModifyConversionFormulaCommand}" Header="修改数值转换公式">
                         <MenuItem.Icon>
                             <ui:FontIcon Icon="{x:Static ui:SegoeFluentIcons.Edit}" />
                         </MenuItem.Icon>
@@ -235,7 +234,7 @@
                             <ui:FontIcon Icon="{x:Static ui:SegoeFluentIcons.Add}" />
                         </MenuItem.Icon>
                     </MenuItem>
-                    
+
                     <MenuItem
                         Command="{Binding ChangeHistorySettingsCommand}"
                         CommandParameter="{Binding PlacementTarget.SelectedItems, RelativeSource={RelativeSource AncestorType=ContextMenu}}"
@@ -244,18 +243,14 @@
                             <ui:FontIcon Icon="{x:Static ui:SegoeFluentIcons.Edit}" />
                         </MenuItem.Icon>
                     </MenuItem>
-                    
-                    <MenuItem
-                        Command="{Binding ChangeAlarmSettingsCommand}"
-                        Header="修改报警设置">
+
+                    <MenuItem Command="{Binding ChangeAlarmSettingsCommand}" Header="修改报警设置">
                         <MenuItem.Icon>
                             <ui:FontIcon Icon="{x:Static ui:SegoeFluentIcons.Edit}" />
                         </MenuItem.Icon>
                     </MenuItem>
-                    
-                    <MenuItem
-                        Command="{Binding ToHistoryCommand}"
-                        Header="查看历史记录">
+
+                    <MenuItem Command="{Binding ToHistoryCommand}" Header="查看历史记录">
                         <MenuItem.Icon>
                             <ui:FontIcon Icon="{x:Static ui:SegoeFluentIcons.History}" />
                         </MenuItem.Icon>
@@ -319,7 +314,7 @@
                     </DataGridTemplateColumn.CellEditingTemplate>
                 </DataGridTemplateColumn>
                 <DataGridCheckBoxColumn Binding="{Binding IsActive}" Header="启用" />
-                
+
                 <DataGridTemplateColumn Header="轮询间隔(毫秒)" SortMemberPath="PollingInterval">
                     <DataGridTemplateColumn.CellTemplate>
                         <DataTemplate>
@@ -346,13 +341,13 @@
                     Header="更新时间"
                     IsReadOnly="True" />
                 <DataGridTextColumn Binding="{Binding ConversionFormula}" Header="转换规则" />
-                
+
                 <DataGridCheckBoxColumn Binding="{Binding IsHistoryEnabled}" Header="保存" />
                 <DataGridTextColumn Binding="{Binding HistoryDeadband}" Header="保存范围" />
                 <DataGridCheckBoxColumn Binding="{Binding IsAlarmEnabled}" Header="报警" />
                 <DataGridTextColumn Binding="{Binding AlarmMinValue}" Header="报警最小值" />
                 <DataGridTextColumn Binding="{Binding AlarmMaxValue}" Header="报警最大值" />
-                </DataGrid.Columns>
+            </DataGrid.Columns>
         </DataGrid>
     </DockPanel>