Link accounts

The account linked to my PlayStation 5 is my school email address, but it's locked and I can't log in. I want to change my email address but can't. What should I do?

PlayStation5 連結的帳號因為是之前學校的電子郵件，現在那個電子郵件被鎖起來了，我也登入不進去了，我現在想換電子郵件沒辦法換，請問要怎麼辦。