在HWI OAuthToken，Profile Error中以''（空白）登录

Question

//config.yml
hwi_oauth:
    firewall_names: [main]
    resource_owners:
        facebook:
            type:          facebook
            client_id:     xxxxxxxxxxxxxxxx
            client_secret: xxxxxxxxxxxxxxxxxxxxxxxxxxxx`enter code here`
            scope:         "email"
            infos_url:     "https://graph.facebook.com/me?fields=id,name,email,picture.type(square)"
            paths:
                name:           name
                email:          email
                profilepicture: picture.data.url

OAuthToken for Facebook, click to view the image

为什么没有为Facebook显示名称，而谷歌就像魅力一样？