thank you very much for answering my questions.
We had tried to ask university visa team, they informed us it may be a mistake,but made it clear that they will not help us on this (maybe because the visa is DES), when we ask these thing they just gave vague description and unprofessional answers.

Hi, everyone, Thank you in advance for who can give me some advice here. Me and my wife had applied together to renew the visa under the T4 doctorate extension scheme. I applied as my wife’s dependant. The application was successful, my wife’s visa is granted until March 2020. As a dependant, my vis ...