I am Nigerian too. I have a feeling that theres a mistake somewhere with your application. Did you take your time to read the application instructions:
https://www.canada.ca/en/immigration-refugees-citizenship/services/immigrate-canada/caregivers/child-care-home-support-worker/no-experience-apply.html
The applications is completely paper based, you send in both the work permit (for you and your spouse) and the study permits for your kids by mail (post).
The only thing you do online is the payments.
If you did all that correctly, you should have recieved an AOR at least 6weeks after they receieved the application.
Again since the Home Child Care provider immigration and the home support worker immigration pilots are basically IMMIGRATION pathways, you do not need to have anything tieing you back to your home country.
So go back and read up on the instructions well and see where you got the process wrongly.