Telegram bot does not answer

[Odilbukh]

I have installed fresh BotMan Studio and Telegram Driver. Seted TELEGRAM_TOKEN in env file.
Run ngrok http 80 and setup WebHook by comand php artisan botman:telegram:register Webhook was set successfully!

I have run project and in http://localhost:8000/botman/tinker the bot answers when I type him "Hi"
But when I type "Hi" in telegram bot it does not answers! This is problem. Pleaase help to solve it!

There all request to the telegram bot in ngrok terminal and on browser http://localhost:4040/inspect/http. ngrok fetches good all incoming messages to telegram bot.
All requests status is 200 OK

I'm using php 7.4