You can apply for modification through the personal information in Yunnan Education Cloud app on your mobile phone, open Yunnan Education Cloud APP and find personal information. If you can't find it, you can directly ask customer service for help. Manual customer service has corresponding working hours, and you can directly ask self-service customer service for help at other times. Follow the prompts step by step, please check carefully whether there is any input error. In addition, it can be modified and corrected on the computer. You can directly search the login entrance of Yunnan Education Cloud on the computer. Users can find the most comprehensive educational information here, and they can also communicate with other users online to share more useful knowledge. After entering the page, log in to the account, and the subsequent steps are the same as those of the mobile phone.