# 下一状态
execute if score $countdown mem matches 0 run function ltw:state/7/next

# 显示倒计时
execute if entity @a[tag=selecting] run title @a times 3 14 2
execute if entity @a[tag=selecting] run title @a subtitle {"score":{"name":"$countdown","objective":"mem"}}
execute if entity @a[tag=selecting] run title @a title ""