diff --git a/app/views/admin/site_panel/see_detail_for_created_site.html.erb b/app/views/admin/site_panel/see_detail_for_created_site.html.erb
index 6c80f36..eba7828 100644
--- a/app/views/admin/site_panel/see_detail_for_created_site.html.erb
+++ b/app/views/admin/site_panel/see_detail_for_created_site.html.erb
@@ -31,7 +31,7 @@
                   <div style="clear: both;"></div>
                 </div>
                 <div id="append_port_block">
-                    <% @site.port[1..-1].each do |port| %>
+                    <% @site.port[1..-1].to_a.each do |port| %>
                         <div class="port_block">
                           <span class="remove_btn">X</span>
                           <%= number_field_tag("site_construct[port][]",port, :min => 1, :id => nil) %>