What if 5 1 51 hr sends out an interview invitation and neither accepts nor refuses it?

Worry-free hr will send an interview invitation in the future, and it doesn't matter whether you accept it or not. HR contacts you through the recruitment platform, telephone or SMS. HR marked your resume as an invitation to an interview, but you haven't sent an email inviting you to an interview. In view of this situation, if you want to go to this company for an interview, you can take the initiative to contact, perhaps HR is too busy to remember. If you still haven't received it after contacting, then HR may have other ideas, so don't wait.