what do this pack modify?这个数据包改了啥

this datapack delect the attack cooldown,and you can't feel hungry and display player's health under your name ... 这个数据包删了攻击冷却，你也不会感到饥饿和显示玩家血量在名字下面等等

how can me use咋用他

you can use command

/function #minecraft:tick

to load all function,you can use command /function at:knowback get knowback stick you can use /function at:health_display to display health under player's name 你可以用指令

/function #minecraft:tick

加载所有function，用指令/function /function at:knowback获取击退棒,你可以用指令/function at:display_health将血量显示在玩家名下面