修复变量值不更新的问题

DMS.Application/Services/IVariableManagementService.cs

@@ -1,6 +1,7 @@
 using System.Collections.Concurrent;
 using DMS.Application.DTOs;
 using DMS.Application.DTOs.Events;
+using DMS.Core.Models;
 
 namespace DMS.Application.Services;
 
@@ -56,8 +57,15 @@ public interface IVariableManagementService
     /// </summary>
     void RemoveVariableFromMemory(int variableId, ConcurrentDictionary<int, VariableTableDto> variableTables);
 
+    void VariableValueChanged(VariableValueChangedEventArgs eventArgs);
+
     /// <summary>
     /// 当变量数据发生变化时触发
     /// </summary>
     event EventHandler<VariableChangedEventArgs> OnVariableChanged;
+
+    /// <summary>
+    /// 当变量数据发生变化时触发
+    /// </summary>
+    event EventHandler<VariableValueChangedEventArgs> OnVariableValueChanged;
 }