diff --git a/Src/Asp.NetCore2/SqlSugar/Abstract/ExecuteNavProvider/InsertNavTask.cs b/Src/Asp.NetCore2/SqlSugar/Abstract/ExecuteNavProvider/InsertNavTask.cs
new file mode 100644
index 000000000..bf4ca0f23
--- /dev/null
+++ b/Src/Asp.NetCore2/SqlSugar/Abstract/ExecuteNavProvider/InsertNavTask.cs
@@ -0,0 +1,89 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Linq.Expressions;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SqlSugar
+{
+    public class InsertNavTaskInit<Root, T> where T : class, new() where Root : class, new() 
+    {
+    
+        public SqlSugarProvider Context { get; set; }
+        public InsertNavProvider<Root, Root> insertNavProvider { get; set; }
+
+        public InsertNavTask<Root, TChild> ThenInclude<TChild>(Expression<Func<Root, TChild>> expression) where TChild : class, new()
+        {
+            this.Context = insertNavProvider._Context;
+            InsertNavTask<Root, TChild> result = new InsertNavTask<Root, TChild>();
+            Func<InsertNavProvider<Root, TChild>> func = () => insertNavProvider.ThenInclude(expression);
+            result.PreFunc = func;
+            result.Context = this.Context;
+            return result;
+        }
+        public InsertNavTask<Root, TChild> ThenInclude<TChild>(Expression<Func<Root, List<TChild>>> expression) where TChild : class, new()
+        {
+            this.Context = insertNavProvider._Context;
+            InsertNavTask<Root, TChild> result = new InsertNavTask<Root, TChild>();
+            Func<InsertNavProvider<Root, TChild>> func = () => insertNavProvider.ThenInclude(expression);
+            result.PreFunc = func;
+            result.Context = this.Context;
+            return result;
+        }
+    }
+    public class InsertNavTask<Root, T> where T : class, new() where Root : class, new()
+    {
+        public SqlSugarProvider Context { get; set; }
+        public Func<InsertNavProvider<Root, T>> PreFunc { get;  set; }
+        public InsertNavTask<Root, TChild> ThenInclude<TChild>(Expression<Func<T, TChild>> expression) where TChild : class, new()
+        {
+            InsertNavTask<Root, TChild> result = new InsertNavTask<Root, TChild>();
+            Func<InsertNavProvider<Root, TChild>> func = () => PreFunc().ThenInclude(expression);
+            result.PreFunc = func;
+            result.Context = this.Context;
+            return result;
+        }
+        public InsertNavTask<Root, TChild> ThenInclude<TChild>(Expression<Func<T, List<TChild>>> expression) where TChild : class, new()
+        {
+            InsertNavTask<Root, TChild> result = new InsertNavTask<Root, TChild>();
+            Func<InsertNavProvider<Root, TChild>> func = () => PreFunc().ThenInclude(expression);
+            result.PreFunc = func;
+            result.Context = this.Context;
+            return result;
+        }
+        public void ExecuteCommand()
+        {
+            var hasTran = this.Context.Ado.Transaction != null;
+            if (hasTran)
+            {
+                PreFunc();
+            }
+            else 
+            {
+                this.Context.Ado.UseTran(() =>
+                {
+                    PreFunc();
+                }, ex => throw ex);
+            }
+        }
+        public async Task ExecuteCommandAsync()
+        {
+            await Task.Run(async () => 
+            {
+                ExecuteCommand();
+                await Task.Delay(0);
+            }); 
+        }
+
+        public InsertNavTask<Root, Root> AsNav()
+        {
+            InsertNavTask<Root, Root> result = new InsertNavTask<Root, Root>();
+            Func<InsertNavProvider<Root, Root>> func = () => PreFunc().AsNav();
+            result.PreFunc = func;
+            result.Context = this.Context;
+            return result;
+        }
+    }
+
+}
diff --git a/Src/Asp.NetCore2/SqlSugar/Abstract/SugarProvider/SqlSugarProvider.cs b/Src/Asp.NetCore2/SqlSugar/Abstract/SugarProvider/SqlSugarProvider.cs
index aa9ce39d2..c6c46e5b8 100644
--- a/Src/Asp.NetCore2/SqlSugar/Abstract/SugarProvider/SqlSugarProvider.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Abstract/SugarProvider/SqlSugarProvider.cs
@@ -890,15 +890,17 @@ namespace SqlSugar
         #endregion
 
         #region  Nav CUD
-        public InsertNavProvider<T, T> InsertNav<T>(T data) where T : class, new()
+        public InsertNavTaskInit<T, T> InsertNav<T>(T data) where T : class, new()
         {
             return InsertNav(new List<T>() { data });
         }
-        public InsertNavProvider<T, T> InsertNav<T>(List<T> datas) where T : class, new()
+        public InsertNavTaskInit<T, T> InsertNav<T>(List<T> datas) where T : class, new()
         {
-            var result = new InsertNavProvider<T, T>();
-            result._Roots = datas;
-            result._Context = this;
+            var result = new InsertNavTaskInit<T, T>();
+            var provider = new InsertNavProvider<T, T>();
+            provider._Roots = datas;
+            provider._Context = this;
+            result.insertNavProvider = provider;
             return result;
         }
         public DeleteNavProvider<T, T> DeleteNav<T>(T data)
diff --git a/Src/Asp.NetCore2/SqlSugar/Abstract/SugarProvider/SqlSugarScopeProvider.cs b/Src/Asp.NetCore2/SqlSugar/Abstract/SugarProvider/SqlSugarScopeProvider.cs
index e2eeb9ca0..bc43beeec 100644
--- a/Src/Asp.NetCore2/SqlSugar/Abstract/SugarProvider/SqlSugarScopeProvider.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Abstract/SugarProvider/SqlSugarScopeProvider.cs
@@ -678,11 +678,11 @@ namespace SqlSugar
         {
             return ScopedContext.Saveable(saveObject);
         }
-        public InsertNavProvider<T, T> InsertNav<T>(T data) where T : class, new()
+        public InsertNavTaskInit<T, T> InsertNav<T>(T data) where T : class, new()
         {
             return ScopedContext.InsertNav(data);
         }
-        public InsertNavProvider<T, T> InsertNav<T>(List<T> datas) where T : class, new()
+        public InsertNavTaskInit<T, T> InsertNav<T>(List<T> datas) where T : class, new()
         {
             return ScopedContext.InsertNav(datas);
         }
diff --git a/Src/Asp.NetCore2/SqlSugar/Interface/ISqlSugarClient.cs b/Src/Asp.NetCore2/SqlSugar/Interface/ISqlSugarClient.cs
index aca0b06c8..a64f8c06b 100644
--- a/Src/Asp.NetCore2/SqlSugar/Interface/ISqlSugarClient.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Interface/ISqlSugarClient.cs
@@ -203,8 +203,8 @@ namespace SqlSugar
         #endregion
 
         #region  Nav CUD
-        InsertNavProvider<T, T> InsertNav<T>(T data) where T : class, new();
-        InsertNavProvider<T, T> InsertNav<T>(List<T> datas) where T : class, new();
+        InsertNavTaskInit<T, T> InsertNav<T>(T data) where T : class, new();
+        InsertNavTaskInit<T, T> InsertNav<T>(List<T> datas) where T : class, new();
         DeleteNavProvider<T, T> DeleteNav<T>(T data);
         DeleteNavProvider<T, T> DeleteNav<T>(List<T> datas);
         UpdateNavProvider<T, T> UpdateNav<T>(T data);
diff --git a/Src/Asp.NetCore2/SqlSugar/SqlSugarClient.cs b/Src/Asp.NetCore2/SqlSugar/SqlSugarClient.cs
index 310c2f339..f97a8876b 100644
--- a/Src/Asp.NetCore2/SqlSugar/SqlSugarClient.cs
+++ b/Src/Asp.NetCore2/SqlSugar/SqlSugarClient.cs
@@ -154,11 +154,11 @@ namespace SqlSugar
         #region Queryable
 
         #region  Nav CUD
-        public InsertNavProvider<T, T> InsertNav<T>(T data) where T : class, new()
+        public InsertNavTaskInit<T,T> InsertNav<T>(T data) where T : class, new()
         {
             return  this.Context.InsertNav(data);
         }
-        public InsertNavProvider<T, T> InsertNav<T>(List<T> datas) where T : class, new()
+        public InsertNavTaskInit<T, T> InsertNav<T>(List<T> datas) where T : class, new()
         {
             return this.Context.InsertNav(datas);
         }
diff --git a/Src/Asp.NetCore2/SqlSugar/SqlSugarScope.cs b/Src/Asp.NetCore2/SqlSugar/SqlSugarScope.cs
index 9db5ecd27..aa0772e81 100644
--- a/Src/Asp.NetCore2/SqlSugar/SqlSugarScope.cs
+++ b/Src/Asp.NetCore2/SqlSugar/SqlSugarScope.cs
@@ -734,11 +734,11 @@ namespace SqlSugar
             return ScopedContext.DeleteableWithAttr<T>(deleteObjs);
         }
  
-        public InsertNavProvider<T, T> InsertNav<T>(T data) where T : class, new()
+        public InsertNavTaskInit<T, T> InsertNav<T>(T data) where T : class, new()
         {
             return ScopedContext.InsertNav(data);
         }
-        public InsertNavProvider<T, T> InsertNav<T>(List<T> datas) where T : class, new()
+        public InsertNavTaskInit<T, T> InsertNav<T>(List<T> datas) where T : class, new()
         {
             return ScopedContext.InsertNav(datas);
         }