优化了添加设备时，并添加和更新菜单栏

Helper/CovertHelper.cs

@@ -1,36 +0,0 @@
-using System.Reflection;
-
-namespace PMSWPF.Helper;
-
-public class CovertHelper
-{
-    public static List<TTarget> ConvertList<TSource, TTarget>(List<TSource> sourceList)
-    {
-        var targetList = new List<TTarget>();
-        var sourceType = typeof(TSource);
-        var targetType = typeof(TTarget);
-
-        // 获取源类型和目标类型的公共属性
-        var sourceProperties = sourceType.GetProperties(BindingFlags.Public | BindingFlags.Instance);
-        var targetProperties = targetType.GetProperties(BindingFlags.Public | BindingFlags.Instance);
-
-        foreach (var sourceObject in sourceList)
-        {
-            var targetObject = Activator.CreateInstance<TTarget>();
-            foreach (var targetProperty in targetProperties)
-            {
-                var sourceProperty = sourceProperties.FirstOrDefault(p =>
-                    p.Name == targetProperty.Name && p.PropertyType == targetProperty.PropertyType);
-                if (sourceProperty != null)
-                {
-                    var value = sourceProperty.GetValue(sourceObject);
-                    targetProperty.SetValue(targetObject, value);
-                }
-            }
-
-            targetList.Add(targetObject);
-        }
-
-        return targetList;
-    }
-}

Helper/SqlSugarHelper.cs

@@ -1,17 +0,0 @@
-using PMSWPF.Data;
-
-namespace PMSWPF.Helper;
-
-public class SqlSugarHelper
-{
-    private DbContext _db;
-
-    public SqlSugarHelper()
-    {
-        _db = new DbContext();
-    }
-
-    public void InitTables()
-    {
-    }
-}