Can not upload a file under "upload1.path" on DO


I’ve read this many times,

But the file is stored under the folder which is not expected. Is this a bug or am I wrong?

Btw, my configurations are below.

スクリーンショット 2020-10-16 13.17.04

And these are the results.
スクリーンショット 2020-10-16 13.18.28

How can I store this file like {{bucket}}/img/files/{{filename}} ?