问为什么我的不和谐机器人在网上显示但不起作用？

EN

#LINK FILES
import bot_token
import task
from discord.ext import tasks, commands

#LIBRARIES
import discord
import os

#VARIABLES
token = bot_token.token
client = discord.Client()

#CODE
@client.event
async def on_ready():
    print('We have log in as {0.user}'. format(client))

@client.event
async def on_message(message):
    if message.author == client.user:
        return

    if message.content.startswith('!hi'):
        await message.channel.send('hello')

client. Run(token)