When attacking a wither with the NoAI:1b tag, the bossbar does not change

When attacking a wither with the NoAI:1b tag, the bossbar does not change

Step:

1.summon a wither with the tag of "NoAI:1"

/summon wither ~ ~ ~ {NoAI:1}

2.attacking the wither

3. find that the bossbar does not change

Expected:

the bossbar can change