问为什么我的局部变量不会随着选项卡的变化而改变？

EN

_form.html.erb

<%= form_for(@best_practice) do |f| %>
<% if @best_practice.errors.any? %>
<div id="error_explanation">
  <h2><%= pluralize(@best_practice.errors.count, "error") %> prohibited this best practice from being saved:</h2>

  <ul>
  <% @best_practice.errors.full_messages.each do |msg| %>
    <li><%= msg %></li>
  <% end %>
  </ul>
  </div>
  <% end %>

  <div class="field" style="width:90%;">
  <%= f.label :title %><p class="tabbertab-lbreak"></p>
  <%= f.text_field :title %>
  <%= f.hidden_field :category, :value => @category %>
  </div>
  <div class="field" style="width:90%;">
  <%= f.label :body %><p class="tabbertab-lbreak"></p>
  <%= f.text_area :body, :cols => 30, :rows => 5 %>
  </div>
  <div class="actions">
  <%= f.submit(class: 'btn btn-large btn-primary') %>
  </div>
  <% end %>

 company.html.erb

 <div class="tabbable full-width-tabs">
        <ul class="nav nav-tabs nav-justified">
            <li class="active take-all-space-you-can"><a href="#tab-one" data-toggle="tab">Home</a></li>
            <li class="take-all-space-you-can"><a href="#tab-two" data-toggle="tab">Associate</a></li>
            <li class="take-all-space-you-can"><a href="#tab-three" data-toggle="tab">Safety</a></li>
            <li class="take-all-space-you-can"><a href="#tab-four" data-toggle="tab">Order Fulfillment</a></li>
        </ul>
        <div class="tab-content">
            <div class="tab-pane active" id="tab-one">
              <h3 class="splash-header">Welcome!</h3>
              <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Curabitur condimentum a purus vitae lobortis. Donec at nulla in lorem luctus semper. Nam porta dui eget pharetra pretium. Maecenas vitae porta est, sit amet auctor diam. Vestibulum mollis lectus mi, sed ultrices eros scelerisque in. Vivamus ultrices laoreet sem, id venenatis risus facilisis sit amet. Ut a hendrerit nisi, ut laoreet dui.</p><p>Proin laoreet massa sed dictum elementum. Nulla quis suscipit nisi. Etiam aliquam at nibh et feugiat. Pellentesque gravida lorem id erat elementum accumsan. Fusce sit amet enim nec nunc hendrerit molestie. Ut quis orci viverra tortor lobortis fringilla. Aenean in ligula dui. Morbi ornare malesuada augue, sed elementum purus varius ut. Fusce suscipit orci id diam tristique, ut semper lorem cursus. Proin urna massa, pulvinar at sapien vitae, tempor cursus sem. Nunc sit amet nibh sit amet odio luctus ultrices vel congue sem. Maecenas elementum, turpis nec cursus volutpat, diam quam faucibus ipsum, pellentesque tincidunt mi velit eget ligula. Aenean elementum, neque vel accumsan rutrum, risus diam posuere risus, sit amet semper risus magna sed nibh. Pellentesque quis risus at dui bibendum ornare ut vel augue. Aliquam et nunc sit amet dolor vehicula eleifend.</p>                    
            </div>
            <div class="tab-pane" id="tab-two">
                <h3 class="splash-header">Post Best Practice</h3>
                   <% @associate = "Associate" %>
                   <%= render 'best_practices/form', local: {category: @associate} %>
                  <h3 class="splash-header">View Best Practice</h3>
                   <ul>
                   <% BestPractice.with_category("Associate").each do |bp| %>
                   <li><%= link_to bp.title, best_practice_path(bp) %></li>
                   <% end %>
                  </ul>     
            </div>
            <div class="tab-pane" id="tab-three">
                <h3 class="splash-header">Post Best Practice</h3>
                  <% @safety = "Safety" %>
                  <%= render 'best_practices/form', local: {category: @safety} %>
                  <h3 class="splash-header">View Best Practice</h3>
                   <ul>
                   <% BestPractice.with_category("Safety").each do |bp| %>
                   <li><%= link_to bp.title, best_practice_path(bp) %></li>
                   <% end %>
                  </ul>
            </div>
            <div class="tab-pane" id="tab-four">
                <h3 class="splash-header">Post Best Practice</h3>
                  <% @order = "Order Fulfillment" %>
                  <%= render 'best_practices/form', local: {category: @order}  %>
                    <h3 class="splash-header">View Best Practice</h3>
                     <ul>
                      <% BestPractice.with_category("Order Fulfillment").each do |bp| %>
                      <li><%= link_to bp.title, best_practice_path(bp) %></li>
                     <% end %>
                     </ul>
            </div>  
        </div> 
    </div>