What the hell is The Infiltrator?

Hotel sleepers, as the name implies, try to stay in the hotel and experience the service, environment, hygiene, price, catering and other aspects of the hotel, such as the hardness of the mattress, the cooling and heating of the air conditioner, the network speed, whether the sewer is unblocked, and whether the shower water flow is too large. We should investigate and report according to our own feelings, and then post them online for many netizens' reference.