thank Twilightseer answer my question!
the ML maybe have one option
that auto re-search new music files under
I have 30 mp3 files in a folder named ss.
one day,I add the ss to ML.
next day,I copy 4 new files to ss.
I hope the 4 new files can auto be add to
the database of ML.
Thank you read this.
Thank you reply me.