From fb09742e8c77c1ef4322a61c3b09a0596b764e71 Mon Sep 17 00:00:00 2001
From: maliming <malimings@gmail.com>
Date: Sun, 20 Jul 2025 10:31:55 +0800
Subject: [PATCH] Fix null reference in navigation entry original value

---
 .../Abp/EntityFrameworkCore/ChangeTrackers/AbpEntityEntry.cs   | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/EntityFrameworkCore/ChangeTrackers/AbpEntityEntry.cs b/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/EntityFrameworkCore/ChangeTrackers/AbpEntityEntry.cs
index 5ffe3278c3..194132d001 100644
--- a/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/EntityFrameworkCore/ChangeTrackers/AbpEntityEntry.cs
+++ b/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/EntityFrameworkCore/ChangeTrackers/AbpEntityEntry.cs
@@ -48,7 +48,8 @@ public class AbpEntityEntry
 
         if (navigationEntry.NavigationEntry is CollectionEntry)
         {
-            navigationEntry.OriginalValue!.As<List<object>>().Add(entityEntry.Entity);
+            navigationEntry.OriginalValue ??= new List<object>();
+            navigationEntry.OriginalValue.As<List<object>>().Add(entityEntry.Entity);
         }
         else
         {