我无法动态渲染为rails中的ruby中的给定关联添加新的部分表单。我正在使用茧宝石

    <%= form_for @poll do |f| %>
    <%= render 'shared/errors', object: @poll %>
      <div class="form-group">
        <%= f.label :topic %>
        <%= f.text_area :topic, rows: 3, required: true, class: 'form-control' %>
       </div>

    <div class="panel panel-default">
     <div class="panel-heading">Options</div>
      <div class="panel-body">
       <%= f.fields_for :vote_options do |options_form| %>
         <%= render 'vote_option_fields', f: options_form %>
      <% end %>

     <div class="links">
       <%= link_to_add_association 'add option', f, :vote_options%>
      </div>
    </div>
  </div>

    <%= f.submit 'Create', class: 'btn btn-primary btn-lg' %>
    <% end %>
    <%= form_for @poll do |f| %>
    <%= render