问对电报API的请求失败了。错误代码: 400。描述:错误请求:消息太长了

EN

import praw
import telebot

bot = telebot.TeleBot(token)  

reddit = praw.Reddit(
    client_id=client, #these details are given accordingly and are correct. No errors here.
    client_secret=secret,
    user_agent="user_agent",
)

def get_posts(sub):
   for submission in reddit.subreddit(sub).hot(limit=10):
    print(submission)
    if submission.author.is_mod:
      continue
    elif submission.selftext=="":
      return submission.title,submission.url
    else:
      print("It's working")
      print(submission.url)
      return submission.title,submission.selftext 

@bot.message_handler(func=lambda message: True)
def echo_message(message):
    subreddit = message.text
    title,post = get_posts(subreddit)
    m = title + "\n" + post
    bot.reply_to(message,m)

bot.infinity_polling()