修正页脚合作单位不显示问题，原因：控制中的变量名被修改，但未改view中对应的变量名，解决：改为一致的

app/views/layouts/_base_footer.html.erb

@@ -10,8 +10,8 @@
     <%= @organize.description.html_safe unless @organize.nil?%>
   </p>
   <div id="logo_link">
-    <% unless @companys.nil?%>
-        <% @companys.each do |company| %>
+    <% unless @companies.nil?%>
+        <% @companies.each do |company| %>
             <span class="footer_logo_link"><%= link_to image_tag(url_to_avatar(company),:size=>"100x30",:alt=>company.name),company.url, :target => "_blank" %></span>
         <% end %>
     <% end %>