add orders list file

app/models/order.rb

@@ -255,7 +255,7 @@ class Order < ActiveRecord::Base
                     if value.length>0
                         v.link_to("文件", url, target: '_blank', rel: 'noopener noreferrer')
                     else
-                        url="www.baidu.com"
+                        url="http://www.baidu.com"
                         v.link_to("文件", url, target: '_blank', rel: 'noopener noreferrer')
                     end
                 end