Hello Whaunnoivued65
SBB has communicated earlier that there won’t be any compensations caused by the longer journey.
You are welcome to deposit your GA Travel Card for a maximum period of 30 days or to cancel it.
You can find more information on the situation here (in German):
https://news.sbb.ch/artikel/124161/entgleisung-im-gotthard-basistunnel-alles-was-sie-fuer-ihre-reise-wissen-muessen
If you are unhappy, please contact the SBB customer service, as the SBB Community is unable to help you any further in this matter: 0848 44 66 88 (CHF 0.08 / min, 24/7, waiting times may occur).
Kind regards,
Roland