使用 omniauth 的 google 插件做认证，但是 google 授权会包括

View basic information about your account
    View your name, public profile URL, and photo
    View your gender and birthdate
    View your country, language, and timezone
View your email address
    View the email address associated with your account
Perform these operations when I'm not using the application

这个用户显然不能接受，但是我不知道怎么减少授权项