diff --git a/LFlow/Default/DefaultCurd.cs b/LFlow/Default/DefaultCurd.cs
new file mode 100644
index 0000000..54e147b
--- /dev/null
+++ b/LFlow/Default/DefaultCurd.cs
@@ -0,0 +1,40 @@
+using System;
+using System.Reflection;
+using LFlow.Base.Interfaces;
+
+namespace LFlow.Base.Default;
+/// <summary>
+/// 默认的CURD操作
+/// </summary>
+/// <typeparam name="T"></typeparam>
+/// <typeparam name="K"></typeparam>
+public abstract class DefaultCurd<T, K> where T : IModel, IDataModel
+{
+    private readonly IRepo<T, K> _repo;
+    public DefaultCurd(IRepo<T, K> repo)
+    {
+        _repo = repo;
+    }
+    public virtual T Add(T model)
+    {
+        return _repo.SaveOrUpdate(model, false);
+    }
+    public virtual int Delete(K id)
+    {
+        return _repo.Delete(id);
+    }
+    public virtual T Update(T model)
+    {
+        return _repo.SaveOrUpdate(model, true);
+    }
+    public virtual T Get(K id)
+    {
+        return _repo.Get(id);
+    }
+    public virtual List<T> GetAll(int pageIndex, int pageSize, ref int pageTotal)
+    {
+        return _repo.GetAll(pageIndex, pageSize, ref pageTotal);
+    }
+    public abstract List<T> GetWhere(T WhereObject);
+
+}
diff --git a/LFlow/Default/DefaultCurdRepo.cs b/LFlow/Default/DefaultCurdRepo.cs
new file mode 100644
index 0000000..b9ff24a
--- /dev/null
+++ b/LFlow/Default/DefaultCurdRepo.cs
@@ -0,0 +1,50 @@
+using System;
+using LFlow.Base.Interfaces;
+using SqlSugar;
+
+namespace LFlow.Base.Default;
+
+public abstract class DefaultCurdRepo<T, K> : IRepo<T, K> where T : class, IDataModel, new()
+{
+    private readonly ISqlSugarClient _client;
+    public DefaultCurdRepo(ISqlSugarClient client)
+    {
+        _client = client;
+    }
+    public virtual int Delete(K id)
+    {
+        if (Get(id) != null)
+        {
+            return _client.Deleteable<T>().In(id).ExecuteCommand();
+        }
+        else
+        {
+            throw new Exception("删除的对象不存在");
+        }
+
+    }
+    public virtual T Get(K id)
+    {
+        return _client.Queryable<T>().InSingle(id);
+    }
+
+    public List<T> GetAll(int pageIndex, int pageSize, ref int pageTotal)
+    {
+        return _client.Queryable<T>().ToPageList(pageIndex, pageSize, ref pageTotal);
+    }
+
+    public virtual T SaveOrUpdate(T entity, bool isUpdate)
+    {
+        if (isUpdate)
+        {
+            _client.Updateable(entity).ExecuteCommand();
+        }
+        else
+        {
+            _client.Insertable(entity).ExecuteCommand();
+        }
+        return entity;
+    }
+    public abstract List<T> Search(T whereObj);
+    public abstract List<K> WhereSearchId(T whereObj);
+}