Can I complain if the hotel is not locked?

The hotel can't lock the complaint. In the process of staying in the hotel, if you find any problems that do not meet the requirements of the normal hotel, you can complain at the relevant place. Complaint means that a person whose rights and interests have been infringed has the right to claim rights from the relevant state organs in view of the illegal and criminal facts that the relevant organizations have violated their legitimate rights and interests. The complainant is a person whose rights and interests have been infringed. Consumer's complaint refers to the behavior that consumers request the mediation of consumer rights protection organizations to safeguard their legitimate rights and interests after they have a consumer rights dispute with operators because of their daily consumption needs to buy or use goods or receive services.