previous step没有做
https://github.com/ivanvermeyen/laravel-google-drive-demo/blob/master/README/1-getting-your-dlient-id-and-secret.md
注意“Add https://developers.google.com/oauthplayground in "Authorized redirect URIs". You will need to use this in the next step to get your refresh token. Once you have the token, you can remove the URI.”