diff --git a/app/admin/assign_rental_item.rb b/app/admin/assign_rental_item.rb
index 3cdc472c..0d526d70 100644
--- a/app/admin/assign_rental_item.rb
+++ b/app/admin/assign_rental_item.rb
@@ -1,22 +1,19 @@
 ActiveAdmin.register AssignRentalItem do
 
+  permit_params :rental_order_id, :rentable_item_id, :num
 
-  # See permitted parameters documentation:
-  # https://github.com/activeadmin/activeadmin/blob/master/docs/2-resource-customization.md#setting-up-strong-parameters
-  #
-  # permit_params :list, :of, :attributes, :on, :model
-  #
-  # or
-  #
-  # permit_params do
-  #   permitted = [:permitted, :attributes]
-  #   permitted << :other if resource.something?
-  #   permitted
-  # end
 
-  permit_params :rental_order_id, :rentable_item_id, :num
+  action_item only: :index do
+    link_to '物品割当画面に移動', assign_rental_items_path
+  end
+
+  
 
   index do
+    panel 'Notice' do
+     '右上の「物品割当画面に移動」ボタンから物品管理を行ってください. 管理画面からの編集は非推奨です.'
+    end
+
     selectable_column
     id_column
     column :rental_order
diff --git a/app/views/assign_rental_items/item_list.html.erb b/app/views/assign_rental_items/item_list.html.erb
index 561272e9..d52c79db 100644
--- a/app/views/assign_rental_items/item_list.html.erb
+++ b/app/views/assign_rental_items/item_list.html.erb
@@ -4,10 +4,10 @@
 <table class="table table-striped">
   <thead>
     <tr>
+      <th><%= Group.model_name.human.pluralize.titleize %></th>
+      <th><%= RentalOrder.human_attribute_name(:num) %></th>
       <% @rentables.each do |rentable| %>
-        <th><%= Group.model_name.human.pluralize.titleize %></th>
-        <th><%= RentalOrder.human_attribute_name(:num) %></th>
-        <th><%= rentable.to_s %>の割当</th>
+        <th><center><%= rentable.to_s %>の割当</center></th>
         <th><%=t '.actions', :default => t("helpers.actions") %></th>
       <% end %>
     </tr>
@@ -19,13 +19,13 @@
         <td><%= order.num %></td>
         <% @rentables.each do |rentable| %>
           <% assign = AssignRentalItem.where(rental_order_id: order)
-            .where(rentable_item_id: rentable).first() %>
-          <td><%= assign.num %></td>
-          <td>
+          .where(rentable_item_id: rentable).first() %>
+        <td><center><%= assign.num %></center></td>
+        <td><center>
             <%= link_to t('.edit', :default => t("helpers.links.edit")),
-                        edit_assign_rental_item_path(assign), :class => 'btn btn-default btn-xs' %>
-          </td>
-        <% end %>
+              edit_assign_rental_item_path(assign), :class => 'btn btn-default btn-xs' %>
+        </center></td>
+      <% end %>
       </tr>
     <% end %>
   </tbody>