Telethon消息回复和头像下载不起作用

from telethon import TelegramClient

api_id = 'YOUR_API_ID'
api_hash = 'YOUR_API_HASH'
client = TelegramClient('session_name', api_id, api_hash)

async def main():
    await client.start()
    # 确保机器人已经启动并授权

with client:
    client.loop.run_until_complete(main())

import time

time.sleep(1)  # 在每次请求之间等待1秒

from telethon import TelegramClient
from telethon.tl.functions.messages import GetHistoryRequest
from telethon.tl.functions.photos import GetUserPhotosRequest
from telethon.tl.types import MessageEntityUrl

api_id = 'YOUR_API_ID'
api_hash = 'YOUR_API_HASH'
client = TelegramClient('session_name', api_id, api_hash)

async def reply_to_message(message):
    await message.reply('Hello, this is an automated reply!')

async def download_avatar(user):
    photos = await client(GetUserPhotosRequest(user))
    if photos.photos:
        photo = photos.photos[0].sizes[-1]  # 获取最大尺寸的头像
        with open('avatar.jpg', 'wb') as f:
            f.write(await client.download_file(photo.location))

async def main():
    await client.start()
    @client.on(events.NewMessage)
    async def handler(event):
        message = event.message
        if message.text == '/start':
            await reply_to_message(message)
        elif message.entities and isinstance(message.entities[0], MessageEntityUrl):
            user = await client.get_entity(message.entities[0].url)
            await download_avatar(user)

with client:
    client.loop.run_until_complete(main())