护照本地注册无效

I'd like to apply loopback-passport so that I have tried 'loopback-example-passport'. I clone this repository and modify provider.json a bit. (Facebook id and secret...) There's nothing more I have changed. I succeeded to Facebook login but I was not able to login locally. I can make a new ID by '/signup' page and I checked out in db.json. However, when I tried to login with the account I just made up, they said "Invalid username/password or email has not been verified"I'd like to apply loopback-passport so that I h