We send notifications by email, so entering the correct email address is critical.
If you do not receive the system mail after the file is uploaded, please try the following:

Check that the email address entered is correct.
Check whether there is "spam" in the mailbox, if there is, please mark it as "this is not spam", and add the mailbox to the address book.
Due to network delays and other reasons, the mail may be on the way and needs to wait for a while.
You can also try to change the receiving address and try again.