diff --git a/Models/CommonDbContext.cs b/Models/CommonDbContext.cs
index 10dd323..12a1e16 100644
--- a/Models/CommonDbContext.cs
+++ b/Models/CommonDbContext.cs
@@ -197,7 +197,10 @@ public abstract class CommonDbContext : DbContext
         var nav = candidates?.FindNavigation(navigationName);
         var entityT = nav?.TargetEntityType;
 
-        if (entityT == null || entityT.IsOwned())
+        if (entityT == null)
+            return new T();
+
+        if (entityT.IsOwned())
         {
             /*
                     var source = this.GetService<IStructuralTypeMaterializerSource>();
@@ -222,30 +225,24 @@ public abstract class CommonDbContext : DbContext
 
             if (!nav.IsCollection)
             {
-                var refVal = Entry(parentI).Reference(navigationName);
+                var parEnt = Entry(parentI);
+                var refVal = parEnt.Reference(navigationName);
                 refVal.CurrentValue = val;
                 if (refVal.TargetEntry == null)
                     throw new Exception();
-
-                refVal.TargetEntry.State = EntityState.Added;
+            }
+            else
+            {
+                var refVal = Entry(parentI).Collection(navigationName);
+                if (refVal.CurrentValue is ICollection<T> coll)
+                {
+                    coll.Add(val);
+                }
             }
 
-            //this.ChangeTracker.DetectChanges();
-
-            /*
-                        var refVal = this.Set<TParent>()
-                            .Entry(parentI)
-                            .Reference(navigationName);
-
-                        refVal.CurrentValue = val;
-
-                        Attach(val);
-
-                        if (refVal.TargetEntry == null)
-                            throw new Exception("test");
-            */
-
             config?.Invoke(val);
+            this.ChangeTracker.DetectChanges();
+
             return val;
         }