fix folder bug

@@ -335,13 +335,15 @@ class Command(BaseCommand, LoggerMixin):
                         self.folder_log.info('{0} [file end] [path={1}]'.format(self.log_base, path))
                     else:
                         self.folder_log.info('{0} [path is dir] [path={1}]'.format(self.log_base, input_dir))
-                        shutil.move(path, failed_output_dir)
+                        failed_path = os.path.join(failed_output_dir, '{0}_{1}'.format(time.time(), name))
+                        shutil.move(path, failed_path)
                 except Exception as e:
                     try:
                         path = os.path.join(input_dir, name)
                         self.folder_log.error('{0} [file error] [path={1}] [error={2}]'.format(self.log_base, path,
                                                                                                traceback.format_exc()))
-                        shutil.move(path, failed_output_dir)
+                        failed_path = os.path.join(failed_output_dir, '{0}_{1}'.format(time.time(), name))
+                        shutil.move(path, failed_path)
                         continue
                     except Exception as e:
                         self.folder_log.error('{0} [file error] [error={1}]'.format(