Change "_filename" to "_identifier" for carrierwave

app/views/admin/designs/_design_file.html.erb

@@ -1,8 +1,8 @@
 <%= f.label "field_name", t('admin.' + field_name) %>
 <ul>
   <% object.send(field_name).each do |t| %>
-    <li class="<%= classes %>" <%="path='#{t.file.url}' filename='#{t.file_filename}'" %>  > 
-      <%= t.file_filename %>
+    <li class="<%= classes %>" <%="path='#{t.file.url}' filename='#{t.file_identifier}'" %>  > 
+      <%= t.file_identifier %>
       <% if classes.include?('r_destroy') %>
         <%= fields_for "design[" + field_name + "][]", t, :index => nil do |f| %>
           <%= f.hidden_field :id %>