fix bug

@@ -767,7 +767,7 @@ class CompareResultView(GenericView):
         else:
         else:
             result_table = AFCCACompareResult if scheme == consts.COMPARE_DOC_SCHEME_LIST[0] else AFCSECompareResult
             result_table = AFCCACompareResult if scheme == consts.COMPARE_DOC_SCHEME_LIST[0] else AFCSECompareResult
 
 
-        if result_id is None:
+        if result_id is not None:
             result_str_list = result_table.objects.filter(id=result_id).values_list('result', flat=True)
             result_str_list = result_table.objects.filter(id=result_id).values_list('result', flat=True)
         else:
         else:
             result_str_list = result_table.objects.filter(application_id=case_id).values_list('result', flat=True)
             result_str_list = result_table.objects.filter(application_id=case_id).values_list('result', flat=True)