Merge branch 'feature/CHINARPA-4395'

@@ -161,6 +161,7 @@ class PreSEHandler:
         data_source = ''
         if application_entity == consts.AFC_PREFIX:
             doc_obj = AFCDoc.objects.filter(application_id=application_id, document_name__icontains='电子签署-车辆抵押贷款合同').last()
+            if doc_obj is not None:
                 data_source = doc_obj.data_source
             LoggerMixin.running_log.info('[pre get data_source] [id={0}] [data_source={1}]]'.format(
                     application_id, data_source))

@@ -3430,6 +3430,7 @@ def compare(application_id, application_entity, uniq_seq, ocr_res_id, is_ca=True
         data_source = ''
         if application_entity == consts.AFC_PREFIX:
             doc_obj = AFCDoc.objects.filter(application_id=application_id, document_name__icontains='电子签署-车辆抵押贷款合同').last()
+            if doc_obj is not None:
                 data_source = doc_obj.data_source
             compare_log.info('{0} [get data_source] [id={1}] [data_source={2}]]'.format(
                     log_base, application_id, data_source))