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我有一个表格，它将商店字段嵌套在卖方字段中。他们看起来像这样

= simple_form_for @seller, url: pages_path do |f|
  .span3
    h5.capital Personal/Contact Details
    = f.input :name, label: false, placeholder: 'Full Name (Owner/Manager)'
    = f.input :mobile, label: false, placeholder: 'Mobile Phone No.'
    = f.input :landline, label: false, placeholder: 'Landline No. (With STD CODE)'
    = f.input :email, label: false, placeholder: 'Email ID'
  .span5
    h5.capital Store Details
    = f.simple_fields_for :store_attributes do |builder|
      = builder.input :name, label: false, placeholder: 'Store Name'
      = builder.input :address, label: false, placeholder: 'Full Address'
      = builder.input :city, label: false, placeholder: 'City/District', 
      = builder.input :pincode, label: false, placeholder: 'Pincode', class: 'pincode'
      = builder.input :website, label: false, placeholder: 'Website/Facebook Page'

卖家模型看起来像这样

class Seller < User
attr_accessible :landline, :mobile, :name, :store_attributes

has_one :store

accepts_nested_attributes_for :store

validates :name, presence: true
validates :mobile, presence: true
validates :landline, presence: true
end

这是我的控制器代码

def create
@seller = Seller.new(params[:seller])
@store = Store.new(params[:store])

if @seller.save & @store.save
  redirect_to @seller
else
  render 'home'
end
end

当我提交表单时，我收到以下错误

ActiveRecord::UnknownAttributeError in PagesController#create unknown attribute: Seller_id

请指导我如何解决这个问题，同时保持 whitelist_attributes = true。

很多谢谢。

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