Can't access org I own after sign in

[du-song]

Describe the bug
After I sign in with an GitHub enterprise (GitHub.com, not self-hosted) account, I can only subscribe repo in my personal namespace, I cannot access org I own.

When I send

subscribe my-org-name/my-repo

I got error

Either the Teams GitHub app is not installed on your repository or the repository doesn't exist. Install the app to proceed further.
Note: You need to be an organization owner to install the app.

To Reproduce
Steps to reproduce the behavior:

1. Go to Teams
2. Click on Add
3. Sign in with an GitHub enterprise (GitHub.com, not self-hosted) account successfully
4. type subscribe my-org-name/my-repo ( I'm owner of my-org-name in this case )
5. got error:

Either the Teams GitHub app is not installed on your repository or the repository doesn't exist. Install the app to proceed further.
Note: You need to be an organization owner to install the app.