Hui Ze code means it already exists. What do you mean you can't apply again?

It's registered. Your personal information has been registered. If you submit it again, you will be prompted not to apply again. Huizetong place code is applicable to the entry and exit verification of bus stations, high-speed railway station, public transport vehicles, government agencies, enterprises and institutions, supermarkets, farmers' markets and other crowded public places and residential areas in the county.