Fix NRE on EntityHistoryHelper.ShouldSavePropertyHistory

framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/EntityFrameworkCore/EntityHistory/EntityHistoryHelper.cs

@@ -242,7 +242,7 @@ namespace Volo.Abp.EntityFrameworkCore.EntityHistory
                 }
             }
 
-            if (IsBaseAuditProperty(propertyInfo, entityType))
+            if (propertyInfo != null && IsBaseAuditProperty(propertyInfo, entityType))
             {
                 return false;
             }

framework/test/Volo.Abp.Auditing.Tests/Volo/Abp/Auditing/App/EntityFrameworkCore/AbpAuditingTestDbContext.cs

@@ -27,5 +27,15 @@ namespace Volo.Abp.Auditing.App.EntityFrameworkCore
         {
 
         }
+
+        protected override void OnModelCreating(ModelBuilder modelBuilder)
+        {
+            base.OnModelCreating(modelBuilder);
+
+            modelBuilder.Entity<AppFullAuditedEntityWithAudited>(entity =>
+            {
+                entity.Property<string>("Shadow");
+            });
+        }
     }
 }