fix dda

@@ -329,6 +329,8 @@ class Command(BaseCommand, LoggerMixin):
                     except Exception as e:
                         self.folder_log.info('{0} [daily wb failed] [result={1}] [error={2}]'.format(
                             self.log_base, result, traceback.format_exc()))
+                if len(wb.sheetnames) > 1 and 'Sheet' in wb.sheetnames:
+                    wb.remove(wb.get_sheet_by_name('Sheet'))
                 wb.save(wb_path)
 
     def folder_process(self, input_dir, result_queue):