Fix sync bug

sync/models/data_access.py

@@ -65,6 +65,7 @@ class DataAccess(BaseModel):
             try:
                 obj = model_class.objects.get(id=self.model_id)
                 related_instance = obj.related_instances()
+                related_instance.append(obj)
                 for instance in related_instance:
                     if isinstance(instance, BaseModel):
                         instance.add_data_access_relation(self)