fix status

@@ -638,6 +638,13 @@ class Command(BaseCommand, LoggerMixin):
                         except Exception as e:
                             self.online_log.error('{0} [process error (report db save)] [error={1}]'.format(
                                 self.log_base, traceback.format_exc()))
+
+                        try:
+                            doc.status = DocStatus.PROCESS_FAILED.value
+                            doc.save()
+                        except Exception as e:
+                            self.online_log.error('{0} [process error (db save)] [error={1}]'.format(
+                                self.log_base, traceback.format_exc()))
                     else:
                         with lock:
                             todo_count_dict[task_str] = pdf_handler.img_count