From 82a35bd8b500b3bd0c54014c7d6aa49683ee55c4 Mon Sep 17 00:00:00 2001
From: sunkaixuan <610262374@qq.com>
Date: Fri, 11 Nov 2022 11:02:12 +0800
Subject: [PATCH] Update InsertNav  many to many

---
 .../ExecuteNavProvider/InsertNavProviderManyToMany.cs         | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Src/Asp.Net/SqlSugar/Abstract/ExecuteNavProvider/InsertNavProviderManyToMany.cs b/Src/Asp.Net/SqlSugar/Abstract/ExecuteNavProvider/InsertNavProviderManyToMany.cs
index 308b8a892..ee9dbc696 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/ExecuteNavProvider/InsertNavProviderManyToMany.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/ExecuteNavProvider/InsertNavProviderManyToMany.cs
@@ -38,6 +38,10 @@ namespace SqlSugar
             foreach (var item in parentList)
             {
                 var items= parentNavigateProperty.PropertyInfo.GetValue(item);
+                if (items == null)
+                {
+                    continue;
+                }
                 var children=((List<TChild>)items);
                 InsertDatas(children, thisPkColumn);
                 var parentId = parentPkColumn.PropertyInfo.GetValue(item);