add orders list file

app/models/ckeditor/list_file.rb

@@ -4,7 +4,9 @@ class ListFile < ActiveRecord::Base
   self.table_name = "list_files"
 
   rails_admin do
-    navigation_label '订单清单打印'
+    navigation_label '商品管理'
+    parent Order
+
     weight -500
     list do
       filters [:order_no,:order_status]