Send a notification letter for every operation

Yesterday, I set the backup completion notification, but I don’t know why the notification is mailed in every step. Is there a problem with my settings?
My settings are as follows:
(Ver:Duplicati -

--send-mail-subject=xxx 的 %backup-name% 備份報告(狀態:%PARSEDRESULT% %OPERATIONNAME%)

The video is my process

Hello and welcome!

Remove that option if you only want notifications for Backup operations.

Thank you from the bottom of my heart