修改了CopyTo方法，使用反射可以将列表的内容也可以复制

Data/Repositories/MenuRepositories.cs

@@ -0,0 +1,25 @@
+using System.Windows.Controls;
+using PMSWPF.Data.Entities;
+using SqlSugar;
+
+namespace PMSWPF.Data.Repositories;
+
+public class MenuRepositories
+{
+    private readonly SqlSugarClient _db;
+
+    public MenuRepositories()
+    {
+        _db=DbContext.GetInstance();
+    }
+
+    public async Task<List<DbMenu>> GetMenu()
+    {
+     return await  _db.Queryable<DbMenu>().ToListAsync();
+    }
+    
+    public async Task<int> AddMenu(DbMenu dbMenu)
+    {
+        return await _db.Insertable<DbMenu>(dbMenu).ExecuteCommandAsync();
+    }
+}