diff --git a/Src/Asp.NetCore2/SqlSugar/Abstract/ExecuteNavProvider/InsertNavProvider.cs b/Src/Asp.NetCore2/SqlSugar/Abstract/ExecuteNavProvider/InsertNavProvider.cs
index b1cb67062..d6caa9063 100644
--- a/Src/Asp.NetCore2/SqlSugar/Abstract/ExecuteNavProvider/InsertNavProvider.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Abstract/ExecuteNavProvider/InsertNavProvider.cs
@@ -18,6 +18,7 @@ namespace SqlSugar
         public SqlSugarProvider _Context { get;   set; }
         public NavigateType? _NavigateType { get; set; } 
         public bool IsFirst { get; set; }
+        public InsertNavOptions _navOptions { get; set; }
 
         public InsertNavProvider<Root, Root> AsNav()
         {
@@ -29,9 +30,31 @@ namespace SqlSugar
                _ParentPkColumn=this._Context.EntityMaintenance.GetEntityInfo<Root>().Columns.First(it=>it.IsPrimarykey)
             };
         }
+
+        public InsertNavProvider<Root, TChild> ThenInclude<TChild>(Expression<Func<T, TChild>> expression,InsertNavOptions options) where TChild : class, new()
+        {
+            _navOptions = options;
+            return _ThenInclude(expression);
+        }
+        public InsertNavProvider<Root, TChild> ThenInclude<TChild>(Expression<Func<T, List<TChild>>> expression, InsertNavOptions options) where TChild : class, new()
+        {
+            _navOptions = options;
+            return _ThenInclude(expression);
+        }
+
         public InsertNavProvider<Root, TChild> ThenInclude<TChild>(Expression<Func<T, TChild>> expression) where TChild : class, new()
         {
+            return _ThenInclude(expression);
+        }
+        public InsertNavProvider<Root, TChild> ThenInclude<TChild>(Expression<Func<T, List<TChild>>> expression) where TChild : class, new()
+        {
+            return _ThenInclude(expression);
+        }
 
+
+
+        private InsertNavProvider<Root, TChild> _ThenInclude<TChild>(Expression<Func<T, TChild>> expression) where TChild : class, new()
+        {
             var name = ExpressionTool.GetMemberName(expression);
             if (this._ParentEntity == null)
             {
@@ -61,7 +84,8 @@ namespace SqlSugar
             }
             return GetResult<TChild>();
         }
-        public InsertNavProvider<Root, TChild> ThenInclude<TChild>(Expression<Func<T,List<TChild>>> expression) where TChild : class, new()
+
+        private InsertNavProvider<Root, TChild> _ThenInclude<TChild>(Expression<Func<T, List<TChild>>> expression) where TChild : class, new()
         {
             var name = ExpressionTool.GetMemberName(expression);
             if (this._ParentEntity == null)
@@ -70,8 +94,8 @@ namespace SqlSugar
                 IsFirst = true;
             }
             var nav = this._ParentEntity.Columns.FirstOrDefault(x => x.PropertyName == name);
-;
-  
+            ;
+
             if (nav.Navigat == null)
             {
                 Check.ExceptionEasy($"{name} no navigate attribute", $"{this._ParentEntity.EntityName}的属性{name}没有导航属性");
diff --git a/Src/Asp.NetCore2/SqlSugar/Abstract/ExecuteNavProvider/InsertNavProviderHelper.cs b/Src/Asp.NetCore2/SqlSugar/Abstract/ExecuteNavProvider/InsertNavProviderHelper.cs
index 8de0301b2..4625594e7 100644
--- a/Src/Asp.NetCore2/SqlSugar/Abstract/ExecuteNavProvider/InsertNavProviderHelper.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Abstract/ExecuteNavProvider/InsertNavProviderHelper.cs
@@ -81,12 +81,20 @@ namespace SqlSugar
             children = children.Distinct().ToList();
             var x = this._Context.Storageable(children).WhereColumns(new string[] { pkColumn.PropertyName }).ToStorage();
             var insertData = children = x.InsertList.Select(it => it.Item).ToList();
-            if (_NavigateType == NavigateType.OneToMany&&IsFirst==false)
+            var IsNoExistsNoInsert = _navOptions != null && _navOptions.OneToManyIfExistsNoInsert == true;
+            if (_NavigateType == NavigateType.OneToMany && IsFirst == false && IsNoExistsNoInsert == false)
             {
                 var updateData = x.UpdateList.Select(it => it.Item).ToList();
                 ClearPk(updateData, pkColumn);
                 insertData.AddRange(updateData);
             }
+            else if (_NavigateType == NavigateType.OneToMany && IsNoExistsNoInsert == true) 
+            {
+                children = new List<TChild>();
+                children.AddRange(x.InsertList.Select(it => it.Item).ToList());
+                var updateData = x.UpdateList.Select(it => it.Item).ToList();
+                children.AddRange(updateData);
+            }
             Check.ExceptionEasy(pkColumn==null&&NavColumn==null,$"The entity is invalid",$"实体错误无法使用导航");
             InitData(pkColumn, insertData);
             this._ParentList = children.Cast<object>().ToList();
diff --git a/Src/Asp.NetCore2/SqlSugar/Abstract/ExecuteNavProvider/InsertNavTask.cs b/Src/Asp.NetCore2/SqlSugar/Abstract/ExecuteNavProvider/InsertNavTask.cs
index c55bbfb4b..19850223a 100644
--- a/Src/Asp.NetCore2/SqlSugar/Abstract/ExecuteNavProvider/InsertNavTask.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Abstract/ExecuteNavProvider/InsertNavTask.cs
@@ -31,6 +31,25 @@ namespace SqlSugar
             result.Context = this.Context;
             return result;
         }
+
+        public InsertNavTask<Root, TChild> Include<TChild>(Expression<Func<Root, TChild>> expression,InsertNavOptions options) where TChild : class, new()
+        {
+            this.Context = insertNavProvider._Context;
+            InsertNavTask<Root, TChild> result = new InsertNavTask<Root, TChild>();
+            Func<InsertNavProvider<Root, TChild>> func = () => insertNavProvider.ThenInclude(expression, options);
+            result.PreFunc = func;
+            result.Context = this.Context;
+            return result;
+        }
+        public InsertNavTask<Root, TChild> Include<TChild>(Expression<Func<Root, List<TChild>>> expression, InsertNavOptions options) where TChild : class, new()
+        {
+            this.Context = insertNavProvider._Context;
+            InsertNavTask<Root, TChild> result = new InsertNavTask<Root, TChild>();
+            Func<InsertNavProvider<Root, TChild>> func = () => insertNavProvider.ThenInclude(expression, options);
+            result.PreFunc = func;
+            result.Context = this.Context;
+            return result;
+        }
     }
     public class InsertNavTask<Root, T> where T : class, new() where Root : class, new()
     {
@@ -60,6 +79,36 @@ namespace SqlSugar
         {
             return AsNav().ThenInclude(expression);
         }
+
+
+
+        public InsertNavTask<Root, TChild> ThenInclude<TChild>(Expression<Func<T, TChild>> expression,InsertNavOptions options) where TChild : class, new()
+        {
+            InsertNavTask<Root, TChild> result = new InsertNavTask<Root, TChild>();
+            Func<InsertNavProvider<Root, TChild>> func = () => PreFunc().ThenInclude(expression,options);
+            result.PreFunc = func;
+            result.Context = this.Context;
+            return result;
+        }
+        public InsertNavTask<Root, TChild> ThenInclude<TChild>(Expression<Func<T, List<TChild>>> expression, InsertNavOptions options) where TChild : class, new()
+        {
+            InsertNavTask<Root, TChild> result = new InsertNavTask<Root, TChild>();
+            Func<InsertNavProvider<Root, TChild>> func = () => PreFunc().ThenInclude(expression, options);
+            result.PreFunc = func;
+            result.Context = this.Context;
+            return result;
+        }
+        public InsertNavTask<Root, TChild> Include<TChild>(Expression<Func<Root, TChild>> expression, InsertNavOptions options) where TChild : class, new()
+        {
+            return AsNav().ThenInclude(expression, options);
+        }
+        public InsertNavTask<Root, TChild> Include<TChild>(Expression<Func<Root, List<TChild>>> expression, InsertNavOptions options) where TChild : class, new()
+        {
+            return AsNav().ThenInclude(expression, options);
+        }
+
+
+
         public bool ExecuteCommand()
         {
             var hasTran = this.Context.Ado.Transaction != null;
diff --git a/Src/Asp.NetCore2/SqlSugar/Entities/DeleteNavOptions.cs b/Src/Asp.NetCore2/SqlSugar/Entities/DeleteNavOptions.cs
index c4aadec75..8335ab6eb 100644
--- a/Src/Asp.NetCore2/SqlSugar/Entities/DeleteNavOptions.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Entities/DeleteNavOptions.cs
@@ -16,4 +16,9 @@ namespace SqlSugar
         public bool ManyToManyIsUpdateA { get; set; }
         public bool ManyToManyIsUpdateB { get; set; }
     }
+
+    public class InsertNavOptions 
+    {
+        public bool OneToManyIfExistsNoInsert { get; set; }
+    }
 }