diff --git a/DMS.Application/Interfaces/IVariableAppService.cs b/DMS.Application/Interfaces/IVariableAppService.cs
index 398a79a..b33f131 100644
--- a/DMS.Application/Interfaces/IVariableAppService.cs
+++ b/DMS.Application/Interfaces/IVariableAppService.cs
@@ -20,7 +20,7 @@ public interface IVariableAppService
     /// <summary>
     /// 异步创建一个新变量。
     /// </summary>
-    Task<int> CreateVariableAsync(VariableDto variableDto);
+    Task<VariableDto> CreateVariableAsync(VariableDto variableDto);
 
     /// <summary>
     /// 异步更新一个已存在的变量。
diff --git a/DMS.Application/Services/VariableAppService.cs b/DMS.Application/Services/VariableAppService.cs
index deb73b1..72ed38c 100644
--- a/DMS.Application/Services/VariableAppService.cs
+++ b/DMS.Application/Services/VariableAppService.cs
@@ -53,9 +53,9 @@ public class VariableAppService : IVariableAppService
     /// 异步创建一个新变量（事务性操作）。
     /// </summary>
     /// <param name="variableDto">要创建的变量数据传输对象。</param>
-    /// <returns>新创建变量的ID。</returns>
+    /// <returns>新创建的变量数据传输对象。</returns>
     /// <exception cref="ApplicationException">如果创建变量时发生错误。</exception>
-    public async Task<int> CreateVariableAsync(VariableDto variableDto)
+    public async Task<VariableDto> CreateVariableAsync(VariableDto variableDto)
     {
         try
         {
@@ -63,7 +63,7 @@ public class VariableAppService : IVariableAppService
             var variable = _mapper.Map<Variable>(variableDto);
             var addedVariable = await _repoManager.Variables.AddAsync(variable);
             await _repoManager.CommitAsync();
-            return addedVariable.Id;
+            return _mapper.Map<VariableDto>(addedVariable);
         }
         catch (Exception ex)
         {
diff --git a/DMS.WPF/Services/DataServices.cs b/DMS.WPF/Services/DataServices.cs
index 66fb517..603a74e 100644
--- a/DMS.WPF/Services/DataServices.cs
+++ b/DMS.WPF/Services/DataServices.cs
@@ -1,19 +1,20 @@
-using System.Collections.Concurrent;
-using System.Collections.ObjectModel;
 using AutoMapper;
 using CommunityToolkit.Mvvm.ComponentModel;
 using CommunityToolkit.Mvvm.Messaging;
 using DMS.Application.DTOs;
 using DMS.Application.Interfaces;
-using DMS.Core.Helper;
 using DMS.Core.Enums;
+using DMS.Core.Helper;
 using DMS.Core.Models;
 using DMS.Helper;
+using DMS.Infrastructure.Entities;
 using DMS.Message;
 using DMS.WPF.Helper;
 using DMS.WPF.ViewModels.Items;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
+using System.Collections.Concurrent;
+using System.Collections.ObjectModel;
 
 
 namespace DMS.WPF.Services;
@@ -497,6 +498,22 @@ public partial class DataServices : ObservableRecipient, IRecipient<LoadMessage>
         }
     }
 
+    public void AddVariable(VariableItemViewModel variableItem)
+    {
+        if (variableItem==null)
+        {
+            return;
+        }
+
+        var variableTable = VariableTables.FirstOrDefault(d => d.Id == variableItem.VariableTableId);
+        if (variableTable != null)
+        {
+            variableTable.Variables.Add(variableItem);
+            Variables.Add(variableItem);
+        }
+
+    }
+
     public void DeleteMenuItem(MenuItemViewModel menuItemViewModel)
     {
         if (menuItemViewModel == null)
diff --git a/DMS.WPF/ViewModels/VariableTableViewModel.cs b/DMS.WPF/ViewModels/VariableTableViewModel.cs
index f391521..ad387c2 100644
--- a/DMS.WPF/ViewModels/VariableTableViewModel.cs
+++ b/DMS.WPF/ViewModels/VariableTableViewModel.cs
@@ -493,8 +493,11 @@ partial class VariableTableViewModel : ViewModelBase, INavigatable
         {
             // 显示添加变量数据的对话框
             VariableDialogViewModel variableDialogViewModel=App.Current.Services.GetRequiredService<VariableDialogViewModel>();
+            VariableItemViewModel  variableItem=new VariableItemViewModel();
+            variableItem.Protocol=CurrentVariableTable.Protocol;
             variableDialogViewModel.Title = "添加变量";
             variableDialogViewModel.PrimaryButText = "添加变量";
+            variableDialogViewModel.Variable = variableItem;
 
             var variableItemViewModel = await _dialogService.ShowDialogAsync(variableDialogViewModel);
         
@@ -504,22 +507,19 @@ partial class VariableTableViewModel : ViewModelBase, INavigatable
 
             // // 设置新变量的所属变量表ID
             variableItemViewModel.VariableTableId = CurrentVariableTable.Id;
+            variableItemViewModel.CreatedAt = DateTime.Now;
+            variableItemViewModel.UpdatedAt = DateTime.Now;
+
 
-            
-            //
             // // 添加变量数据到数据库
-            // var resVarData = await _varDataRepository.AddAsync(varData);
-            // if (resVarData == null)
-            // {
-            //     NotificationHelper.ShowError($"添加变量失败了:{varData?.Name}");
-            //     return;
-            // }
-            //
+           var addVariable= await _variableAppService.CreateVariableAsync(_mapper.Map<VariableDto>(variableItemViewModel));
+            _mapper.Map(addVariable, variableItemViewModel);
             // // 更新当前页面显示的数据：将新变量添加到集合中
-            // Variables.Add(resVarData);
+            _variableItemList.Add(variableItemViewModel);
+            _dataServices.AddVariable(variableItemViewModel);
             //
             // // 显示成功通知
-            // NotificationHelper.ShowSuccess($"添加变量成功:{varData?.Name}");
+             NotificationHelper.ShowSuccess($"添加变量成功:{variableItemViewModel.Name}");
         }
         catch (Exception e)
         {
diff --git a/DMS.WPF/Views/Dialogs/VariableDialog.xaml b/DMS.WPF/Views/Dialogs/VariableDialog.xaml
index c76aad8..5e4dac0 100644
--- a/DMS.WPF/Views/Dialogs/VariableDialog.xaml
+++ b/DMS.WPF/Views/Dialogs/VariableDialog.xaml
@@ -119,6 +119,7 @@
                         Grid.Column="0"
                         Margin="0,15,0,0"
                         hc:InfoElement.Title="协议类型:"
+                        IsEnabled="False"
                         ItemsSource="{Binding Source={StaticResource ProtocolType}}"
                         SelectedItem="{Binding Variable.Protocol, UpdateSourceTrigger=PropertyChanged}">
                         <ComboBox.ItemTemplate>