If the airline stipulates that the correct order of surname and first name is required, you need to contact the airline or ticket agent as soon as possible and ask for correction. It may take some time and expense to correct the ticket information, so you need to take action as soon as possible.
If you have arrived at Urumqi airport and find that your ticket information is wrong, you need to contact the airline or the airport service desk as soon as possible, explain your problem to them and ask them what solutions they can provide.
In short, if your ticket information is wrong, you should contact the airline or ticket agent as soon as possible for help and solutions.