为什么 on_member_update 不触发?

Why doesn't on_member_update trigger?

我已经启用了意图,为什么它没有触发

import discord
intents = discord.Intents.default()
intents.members = True
intents.presences = True

@client.event
async def on_member_update(before, after):
    print('working')

应该是这样的

intents = discord.Intents().all()
client = commands.Bot(command_prefix = '[your prefix here]', intents = intents)