보스바 칸이 1분마다 줄어들게 하려면 어떤 구문이 필요할까요?

on join:

    create bossbar titled "&c광물 변동까지 &a%{광물변동시간}%&f분 &f남았습니다!" and id "광물타이머" for player with progress 100 with colors blue with style segmented 10

command /광물초기화:

    trigger:

        if player is op:

            set {광물변동시간} to 30

            loop all players:

                create bossbar titled "&c시세 변동까지 &a%{광물변동시간}%&f분 &f남았습니다!" and id "광물타이머" for loop-players with progress 100 with colors blue with style segmented 10

            broadcast "{@r} &8&l광물 &a가격이 초기화됐습니다!"

every 1 minute:

    if {광물변동시간} is 0:

        set {광물변동시간} to 30

        broadcast "{@r} &8&l광물 &a가격이 변동되었습니다!"

    loop all players:

        create bossbar titled "&c시세 변동까지 &a%{광물변동시간}%&f분 &f남았습니다!" and id "광물타이머" for loop-players with progress 100 with colors blue with style segmented 10

    remove 1 from {광물변동시간}

    send "%{광물변동시간}%" to all players