diff --git a/Src/Asp.NetCore2/SqlSugar/Abstract/ExecuteNavProvider/InsertNavProvider.cs b/Src/Asp.NetCore2/SqlSugar/Abstract/ExecuteNavProvider/InsertNavProvider.cs
index 742501ff3..8b7513be2 100644
--- a/Src/Asp.NetCore2/SqlSugar/Abstract/ExecuteNavProvider/InsertNavProvider.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Abstract/ExecuteNavProvider/InsertNavProvider.cs
@@ -93,6 +93,22 @@ namespace SqlSugar
         private InsertNavProvider<Root, TChild> _ThenInclude<TChild>(Expression<Func<T, List<TChild>>> expression) where TChild : class, new()
         {
             var name = ExpressionTool.GetMemberName(expression);
+            if (expression is LambdaExpression lambda) 
+            {
+                if (lambda.Body is MethodCallExpression method) 
+                {
+                    if (method.Method.Name == "ToList") 
+                    {
+                        if (method.Arguments.FirstOrDefault() is { } arg)
+                        {
+                            if (arg is MemberExpression member) 
+                            {
+                                name = member.Member.Name;
+                            }
+                        }
+                    }
+                }
+            }
             var isRoot = false;
             if (this._ParentEntity == null)
             {