You can query manually. First, open Alipay or WeChat to search for Hunan residents' health card service. After entering the service, click the electronic health card at the top to enter. You can check the difference between vaccinated and unvaccinated by health code, and then click Get Data at the bottom of COVID-19 Vaccine to get your vaccination record. It should be noted that the health card of Hunan residents only shows COVID-19's vaccination records in Hunan province, and vaccination records in other provinces cannot be found.
If you still can't find vaccination information after a while, you can call the vaccination clinic at that time. Call the vaccination clinic where COVID-19 was vaccinated at that time. Maybe the information is missing, or the information is because the ID number is entered incorrectly. The staff set it up and waited for a day, so they could find the information on the health code.