diff --git a/app/controllers/admin/site_panel_controller.rb b/app/controllers/admin/site_panel_controller.rb
index 275f471..961237d 100644
--- a/app/controllers/admin/site_panel_controller.rb
+++ b/app/controllers/admin/site_panel_controller.rb
@@ -131,6 +131,10 @@ class Admin::SitePanelController < OrbitAdminController
     elsif params[:type] == 'detail'
       @site = SiteConstruct.find(params[:id])
       render 'see_detail_for_created_site' and return
+    elsif params[:type] == 'change_server_name'
+      cmd = "rake create_site:change_site_server_name[#{params[:id]},'#{params[:site_construct][:domain_name]}']"
+      system(cmd)
+      redirect_to :back and return
     elsif params[:type] == 'delete_from_list'
       SiteConstruct.find(params[:id]).destroy
       redirect_to :back and return
diff --git a/app/models/site_construct.rb b/app/models/site_construct.rb
index 5c9344c..ead8476 100644
--- a/app/models/site_construct.rb
+++ b/app/models/site_construct.rb
@@ -51,4 +51,7 @@ class SiteConstruct
     end
     return (scheme + self.domain_name + extra_port)
   end
+  def site_server
+    SiteServer.where(server_name: self.server_type).first
+  end
 end
\ No newline at end of file
diff --git a/app/views/admin/site_panel/_form.html.erb b/app/views/admin/site_panel/_form.html.erb
index 01f91d4..ec96d98 100644
--- a/app/views/admin/site_panel/_form.html.erb
+++ b/app/views/admin/site_panel/_form.html.erb
@@ -39,10 +39,13 @@
 
         <div class="control-group">
           <%= f.label :root_domain ,"Root Domain", :class => "control-label muted" %>
-          <div class="controls">
-            <%= select_tag :root_domain, 
-                options_for_select(SiteServer.first.domain_names.collect{ |u| [u, u] }), 
-                :id => "root_domain" %>
+          <div class="controls" id="root_domain_group">
+            <div class="root_domain_group">
+              <%= select_tag :root_domain, 
+                    options_for_select(SiteServer.first.domain_names.collect{ |u| [u, u] }), 
+                    :class => "root_domain" %>
+            </div>
+            <%= button_tag 'add root domain',:type => 'button', :id => 'add_root_domain',class: 'btn btn-info',:style => 'margin-top: 1em;' %>
           </div>
         </div>
 
@@ -72,7 +75,12 @@
         <div class="control-group">
           <%= f.label :domain_name ,"Domain Name", :class => "control-label muted" %>
           <div class="controls">
-            <%= f.text_field :domain_name, :id => "domain_name",:disabled => 'disabled' %>
+            <div class="domain_group">
+              <input type="text" onchange="change_domain_input(this)">
+              <span class="root_domain_text"><%= SiteServer.first.domain_names[0] %></span>
+              <%= hidden_field_tag nil,nil, :class => "domain_name",:id=>nil %>
+            </div>
+            <%= f.hidden_field :domain_name %>
             <!--<div class="hint">schoolname-deptname.pending.rulingcom.com eg: nctu-eed.pending.rulingcom.com</div>-->
           </div>
         </div>
@@ -107,12 +115,29 @@
 </fieldset>
 <script type="text/javascript">
   var domain_name_relations = {};
+  var pre_site_name = '';
   <% SiteServer.all.each do |server_server| %>
     domain_name_relations['<%= server_server.server_name %>'] = <%= server_server.domain_names.inspect.html_safe %>;
   <% end %>
-  console.log(domain_name_relations);
-  function change_domain_name(domain_name){
-    $("#domain_name").val($("#site_name").val().replace("_","-") + "."+domain_name);
+  function unique(array) {
+      return $.grep(array, function(el, index) {
+          return index == $.inArray(el, array);
+      });
+  }
+  function change_domain_name(index){
+    if (index=='all'){
+      for (var i=0;i<$('.domain_group').length;i++){
+        change_domain_name(i)
+      }
+    }else{
+      var $input = $('.domain_group').eq(index).find('input[type="text"]');
+      var current_root_domain_text = $('.root_domain_group').eq(index).find('select').val()
+      if ($input.val()==pre_site_name){
+        $input.val($("#site_name").val().replace("_","-") + ".");
+      }
+      $('.domain_group').eq(index).find('input[type="hidden"]').val($('.domain_group').eq(index).find('input[type="text"]').val()+current_root_domain_text)
+      $('.root_domain_text').eq(index).val(current_root_domain_text)
+    }
   }
   $("#school_name").on("blur",function(){
     var school = $(this).val().toLowerCase();
@@ -136,31 +161,41 @@
       $("#path").val("/home/rulingcom/" + type);
     }
   })
-  $("#root_domain").change(function(){
-    change_domain_name($(this).val());
-  })
+  function add_change_event_for_root_domain(){
+    $(".root_domain").off('change')
+    $(".root_domain").change(function(){
+      change_domain_name($(this).index('.root_domain'));
+    })
+  }
+  add_change_event_for_root_domain()
   $('#site_construct_server_type').change(function(){
     var domain_name = domain_name_relations[$(this).val()][0];
     var domain_names = domain_name_relations[$(this).val()];
-    $("#root_domain").find('option').remove()
+    if ($(".root_domain").length>1){
+      for (var i=1;i<$(".root_domain").length;i++){
+        $(".root_domain").eq(i).remove()
+      }
+    }
+    $(".root_domain").find('option').remove()
     $.each(domain_names,function(i,v){
       var o = new Option(v, v);
       /// jquerify the DOM object 'o' so we can use the html method
       $(o).html(v);
-      $("#root_domain").append(o);
+      $(".root_domain").eq(0).append(o);
     })
     if ($("#site_name").val()!=''){
-      change_domain_name(domain_name);
+      change_domain_name(0);
     }
     //$('#domain_name').siblings('.hint').html('schoolname-deptname.'+domain_name+' eg: nctu-eed.'+domain_name);
   })
   $("#site_name").on("blur",function(){
     var val = $(this).val(),
         type = $("#site_construct_site_type").val(),
-        school = $("#school_name").val(),
-        domain_name = $("#root_domain").val();
+        school = $("#school_name").val();
+
     //$('#domain_name').siblings('.hint').html('schoolname-deptname.'+domain_name+' eg: nctu-eed.'+domain_name);
-    change_domain_name(domain_name);
+    change_domain_name('all');
+    pre_site_name = val.replace("_","-")+'.';
     $("#db_name").val(val);
     type = (type == "School" ? "school_sites" : "orbit_sites" );
     if(school != ""){
@@ -169,7 +204,27 @@
       $("#path").val("/home/rulingcom/" + type);
     }
   })
+  function change_domain_input(ele){
+    change_domain_name($(ele).parents('.domain_group').index('.domain_group'))
+  }
   $("#site_construct_site_type").val("School");
+  function delete_domain(ele){
+    $('.domain_group').eq($(ele).parents('.root_domain_group').index('.root_domain_group')).remove()
+    $(ele).parents('.root_domain_group').remove()
+  }
+  $('#add_root_domain').click(function(){
+    var first_domain_group = $('#root_domain_group .root_domain_group').first()
+    var clone_domain_group = $(first_domain_group).clone()
+    clone_domain_group.find('select').val(clone_domain_group.find('select option:first').val())
+    clone_domain_group.append("<button class=\"btn btn-danger\" onclick=\"delete_domain(this)\">delete domain</button>")
+    $('#root_domain_group .root_domain_group').last().after(clone_domain_group)
+    var clone_input_group = $('.domain_group').last().clone()
+    clone_input_group.find('input[type="text"]').val(pre_site_name)
+    clone_input_group.find('input[type="hidden"]').val(pre_site_name+clone_domain_group.find('select').val())
+    clone_input_group.find('.root_domain_text').val(clone_domain_group.find('select').val())
+    $('.domain_group').last().after(clone_input_group)
+    //add_change_event_for_root_domain()
+  })
   $("form.main-forms").submit(function(){
     $("#domain_name").removeAttr('disabled');
     $("#path").removeAttr("disabled");
@@ -181,6 +236,11 @@
     }else{
       $("#path").val("/home/rulingcom/" + type);
     }
+    $('#site_construct_domain_name').val(unique(
+      $.map($('.domain_name'),function(v,i){
+        return $(v).val()
+      })
+    ).join(' '))
     console.log($("#path").val());
   })
 </script>
\ No newline at end of file
diff --git a/app/views/admin/site_panel/_sites_list_table.html.erb b/app/views/admin/site_panel/_sites_list_table.html.erb
index 9588ddf..75d950a 100644
--- a/app/views/admin/site_panel/_sites_list_table.html.erb
+++ b/app/views/admin/site_panel/_sites_list_table.html.erb
@@ -13,7 +13,16 @@
     <% @sites.each do |site|%>
       <tr>
         <td><%=site.server_type%></td>
-        <td><a href="<%=((site.port.to_s == "443") ? "https" : "http")%>://<%=site.domain_name%><%=((site.port.to_s != '80' && site.port.to_s != '443') ? ':'+site.port.to_s : '')%>" title="open <%=((site.port.to_s == "443") ? "https" : "http")%>://<%=site.domain_name%><%=((site.port.to_s != '80' && site.port.to_s != '443') ? ':'+site.port.to_s : '')%> to new window" target="_blank"><%=site.domain_name%></a></td>
+        <td>
+        <% site.domain_name.split(" ").each_with_index do |domain_name,i| %>
+          <% domain_link = ((site.port.to_s == "443") ? "https" : "http") + '://' + domain_name + ((site.port.to_s != '80' && site.port.to_s != '443') ? ':'+site.port.to_s : '') %>
+          
+            <% if i!=0 %>
+              <br>
+            <% end %>
+            <%= link_to domain_name, domain_link, :title => "open #{domain_link} to new window", :target=>"_blank" %>
+        <% end %>
+        </td>
         <td><%=site.port%></td>
         <td class="site_status"><%= (site.status.blank? ? "not yet create" : status_relation[site.status]) %></td>
         <td>
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 981851c..a7e116c 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
@@ -1,45 +1,88 @@
 <div class="form-horizontal">
-    <div class="control-group">
-        <label class="control-label">Server</label>
-        <div class="controls"><%=@site.server_type%></div>
-    </div>
-    <div class="control-group">
-        <label class="control-label">Domain name</label>
-        <div class="controls"><%=@site.domain_name%></div>
-    </div>
-    <div class="control-group">
-        <label class="control-label">Port</label>
-        <div class="controls"><%=@site.port%></div>
-    </div>
-    <div class="control-group">
-        <label class="control-label">Site type</label>
-        <div class="controls"><%=@site.site_type%></div>
-    </div>
-    <% if @site.site_type == "School"%>
+    <form method="get" action="<%= "/#{I18n.locale}/admin/site_panel/edit_site" %>">
         <div class="control-group">
-            <label class="control-label">School name</label>
-            <div class="controls"><%=@site.school_name%></div>
+            <label class="control-label">Server</label>
+            <div class="controls"><%=@site.server_type%></div>
         </div>
-    <% end %>
-    <div class="control-group">
-        <label class="control-label">Site name</label>
-        <div class="controls"><%=@site.site_name%></div>
-    </div>
-    <div class="control-group">
-        <label class="control-label">Database name</label>
-        <div class="controls"><%=@site.db_name%></div>
-    </div>
-    <div class="control-group">
-        <label class="control-label">Nginx file</label>
-        <div class="controls"><%=@site.nginx_file%></div>
-    </div>
-    <div class="control-group">
-        <label class="control-label">Site path</label>
-        <div class="controls"><%=@site.path%></div>
-    </div>
-    <div class="control-group">
-        <div class="controls">
-            <a href="<%=admin_site_panel_sites_list_path%>" class="btn btn-primary"><%=t(:back)%></a>
+        <div class="control-group">
+            <label class="control-label">Domain name</label>
+            <div class="controls">
+                <% @site.domain_name.split(' ').each_with_index do |domain_name,i| %>
+                <div class="domain_group">
+                    <%= text_field_tag nil,domain_name,:class=>'domain_name',onchange: 'domain_name_change()' %>
+                    <% if i != 0 %>
+                        <button class="btn btn-danger" onclick="delete_domain(this)">
+                            delete domain
+                        </button>
+                    <% end %>
+                </div>
+                <% end %>
+                <%= button_tag 'add domain',:type => 'button', :id => 'add_root_domain',class: 'btn btn-info',:style => 'margin-top: 1em;' %>
+                <%= hidden_field_tag 'site_construct[domain_name]',@site.domain_name,id: 'site_construct_domain_name' %>
+            </div>
         </div>
-    </div>
-</div>
\ No newline at end of file
+        <div class="control-group">
+            <label class="control-label">Port</label>
+            <div class="controls"><%=@site.port%></div>
+        </div>
+        <div class="control-group">
+            <label class="control-label">Site type</label>
+            <div class="controls"><%=@site.site_type%></div>
+        </div>
+        <% if @site.site_type == "School"%>
+            <div class="control-group">
+                <label class="control-label">School name</label>
+                <div class="controls"><%=@site.school_name%></div>
+            </div>
+        <% end %>
+        <div class="control-group">
+            <label class="control-label">Site name</label>
+            <div class="controls"><%=@site.site_name%></div>
+        </div>
+        <div class="control-group">
+            <label class="control-label">Database name</label>
+            <div class="controls"><%=@site.db_name%></div>
+        </div>
+        <div class="control-group">
+            <label class="control-label">Nginx file</label>
+            <div class="controls"><%=@site.nginx_file%></div>
+        </div>
+        <div class="control-group">
+            <label class="control-label">Site path</label>
+            <div class="controls"><%=@site.path%></div>
+        </div>
+        <div class="control-group">
+            <div class="controls">
+                <%= hidden_field_tag 'id',@site.id %>
+                <%= hidden_field_tag 'type','change_server_name' %>
+                <a href="<%=admin_site_panel_sites_list_path%>" class="btn btn-primary"><%=t(:back)%></a>
+                <input type="submit" value="change domain" class="btn btn-primary">
+            </div>
+        </div>
+    </form>
+</div>
+<script type="text/javascript">
+    function unique(array) {
+        return $.grep(array, function(el, index) {
+            return index == $.inArray(el, array);
+        });
+    }
+    function domain_name_change(){
+        $('#site_construct_domain_name').val(unique(
+          $.map($('.domain_name'),function(v,i){
+            return $(v).val()
+          })
+        ).join(' '))
+    }
+    $('#add_root_domain').click(function(){
+        var first_domain_group = $('.domain_group').first()
+        var clone_domain_group = $(first_domain_group).clone()
+        clone_domain_group.find('input[type="text"]').val('')
+        clone_domain_group.append("<button class=\"btn btn-danger\" onclick=\"delete_domain(this)\">delete domain</button>")
+        $('.domain_group').last().after(clone_domain_group)
+      })
+    function delete_domain(ele){
+        $('.domain_group').eq($(ele).parents('.domain_group').index('.domain_group')).remove()
+        domain_name_change()
+    }
+</script>
\ No newline at end of file
diff --git a/app/views/admin/site_panel/server_manager.html.erb b/app/views/admin/site_panel/server_manager.html.erb
index a99d201..d2193d3 100644
--- a/app/views/admin/site_panel/server_manager.html.erb
+++ b/app/views/admin/site_panel/server_manager.html.erb
@@ -7,6 +7,11 @@
   <%= stylesheet_link_tag "lib/main-forms" %>
   <%= stylesheet_link_tag "lib/main-list" %>
   <%= stylesheet_link_tag "lib/pageslide" %>
+  <style type="text/css">
+    .ui-dialog {
+      z-index: 100000000000 !important;
+    }
+  </style>
 <% end %>
 <%=  render_filter @filter_fields, "index_table" %>
 <span id="index_table">
diff --git a/app/views/admin/site_panel/sites_list.html.erb b/app/views/admin/site_panel/sites_list.html.erb
index ddf7309..2afd32a 100644
--- a/app/views/admin/site_panel/sites_list.html.erb
+++ b/app/views/admin/site_panel/sites_list.html.erb
@@ -7,6 +7,11 @@
   <%= stylesheet_link_tag "lib/main-forms" %>
   <%= stylesheet_link_tag "lib/main-list" %>
   <%= stylesheet_link_tag "lib/pageslide" %>
+  <style type="text/css">
+    .ui-dialog {
+      z-index: 100000000000 !important;
+    }
+  </style>
 <% end %>
 <% if !params[:id].blank? %>
   <div id='dialog-confirm' title='site infos'>
diff --git a/lib/tasks/change_site_server_name.rake b/lib/tasks/change_site_server_name.rake
new file mode 100644
index 0000000..4abc175
--- /dev/null
+++ b/lib/tasks/change_site_server_name.rake
@@ -0,0 +1,32 @@
+require 'net/ssh'
+require 'pathname'
+namespace :create_site do
+  desc "Change Site Server Name"
+  task :change_site_server_name,[:id,:server_name] => :environment do |task,args|
+    begin
+      site_construct = SiteConstruct.find(args.id)
+      site_server = site_construct.site_server
+      if !site_server.nil?
+        @password = site_server.password
+        Net::SSH.start(site_server.ip , site_server.account , password: site_server.password) do |ssh|
+          nginx_file_content = exec_ssh_command_by_sudo(ssh,"bash -c \"cat #{site_construct.nginx_file}\"")
+          nginx_file_content = nginx_file_content.gsub(/^[ \t]*server_name[ \t]+.*;/,"  server_name #{args.server_name};").gsub('$','\$').gsub(/^\[sudo\].*\: /,'')
+          puts nginx_file_content
+          cmd = "sh -c \"echo '#{nginx_file_content}' > #{site_construct.nginx_file}\""
+          exec_ssh_command_by_sudo(ssh,cmd)
+          exec_ssh_command_by_sudo(ssh,"service nginx restart")
+        end
+        site_construct.update_attributes(domain_name: args.server_name)
+      end
+    rescue => e
+      puts [e,e.backtrace]
+    end
+  end
+  def exec_ssh_command_by_sudo(session,command)
+    output = session.exec!("echo '#{@password}' | sudo -S #{command}")
+    if output.include?("sudo:") && output.include?("command not found")
+      output = session.exec!(command)
+    end
+    return output
+  end
+end
\ No newline at end of file
diff --git a/lib/tasks/detect_sites.rake b/lib/tasks/detect_sites.rake
index 218dc30..69a8375 100644
--- a/lib/tasks/detect_sites.rake
+++ b/lib/tasks/detect_sites.rake
@@ -31,63 +31,72 @@ namespace :create_site do
               next
             end
             Net::SSH.start(@site_server.ip , @site_server.account , password: @site_server.password) do |ssh|
-              nginx_include_dirs = exec_ssh_command_by_sudo(ssh,'echo `grep include /etc/nginx/nginx.conf | grep -v "\#\|include /etc/nginx/mime.types\|include /etc/nginx/conf.d/\*.conf\|/etc/nginx/sites-enabled/\*"`')
-              nginx_include_dirs = nginx_include_dirs.split("\n").map{|t| t.gsub("include",'').gsub(';','').strip}
+              nginx_include_dir = exec_ssh_command_by_sudo(ssh,'grep include /etc/nginx/nginx.conf | grep -v "\#\|include /etc/nginx/mime.types\|include /etc/nginx/conf.d/\*.conf\|/etc/nginx/sites-enabled/\*"')
+              nginx_include_dir = nginx_include_dir.gsub(/include|;|\n/,'').strip
               domain_name = @site_server.domain_name#'serv.rulingcom.com'
-              nginx_include_dirs.each do |nginx_include_dir|
-                server_names = exec_ssh_command_by_sudo(ssh,"grep 'server_name' -r #{nginx_include_dir}")
-                server_names_array = server_names.split("\n")
-                server_names_array = server_names_array.select{|t| !t.include?('No such file or directory')}.flat_map{|t| t.strip.split('server_name').last.split(";").first.strip.split}
-                server_names_array.each do |server_name|
-                  if !server_name.include?(domain_name)
-                    next if !`nslookup "#{server_name}"`.include?(@site_server.ip)
+              server_names = exec_ssh_command_by_sudo(ssh,"grep 'server_name' -r #{nginx_include_dir}")
+              server_names_array = server_names.scan(/(.*):[ \t]*server_name[ \t]+(.*);/)
+              server_names_array = server_names_array.group_by{|v| v[0]}
+              server_names_array.each do |nginx_file, server_name_with_file|
+                server_names_for_site = server_name_with_file.map{|v| v[1].split(/[ |\t]+/)}.flatten.uniq - ["localhost","127.0.0.1"]
+                server_name_list = []
+                server_names_for_site.each do |server_name_for_site|
+                  if !server_name_for_site.include?(domain_name)
+                    next if !`nslookup "#{server_name_for_site}"`.include?(@site_server.ip)
                   end
-                  nginx_file = exec_ssh_command_by_sudo(ssh,"grep '#{server_name}' -r #{nginx_include_dir}").split("\n").select{|s| !s.include?("No such file or directory")}.first.split('server_name').first.strip.split(":").first
-                  site_path = Pathname.new(exec_ssh_command_by_sudo(ssh,"echo `grep root #{nginx_file} | grep -v -e '#.*root'`").to_s.split("\n").first.to_s.strip.split("root").last.to_s.gsub(";","").strip).dirname.to_s
-                  if site_path.present? && exec_ssh_command_by_sudo(ssh,"ls #{site_path}").split.length != 0 &&  exec_ssh_command_by_sudo(ssh,"ls #{site_path}/Gemfile").include?("No such file or directory")
-                    SiteConstruct.where(:server_type => @site_server.server_name , :domain_name=>server_name).destroy
-                    next
-                  end
-                  path = Pathname.new(site_path).dirname.to_s
-                  site_name = Pathname.new(site_path).basename.to_s
-                  server_type = @site_server.server_name
-                  port = exec_ssh_command_by_sudo(ssh,"echo `grep 'listen' #{nginx_file} | grep -v -e '#.*listen'`").split("\n").first.strip.split("listen").last.strip.split(";").first.split.select{|p| p.strip == p.strip.to_i.to_s}.first.strip rescue "80"
-                  db_name = exec_ssh_command_by_sudo(ssh,"echo `cat #{site_path}/config/mongoid.yml | grep 'database'`").split("database:").last.strip
-                  db_name = site_name.gsub("-","_") if db_name.include?("No such file or directory")
-                  unicorn_sock_path = exec_ssh_command_by_sudo(ssh,"echo `grep 'server unix' #{nginx_file}  | grep -v -e '#.*server unix'`").strip.split("server unix").last.strip.split(":").last.strip rescue (site_path+"/tmp/unicorn.sock")
-                  if Pathname.new(path).basename.to_s == "orbit_sites" || Pathname.new(path).basename.to_s == "housing_sites" || Pathname.new(path).basename.to_s == "dev_sites" || Pathname.new(path).dirname.to_s == "/home"
-                    school_name = nil
-                    site_type = "Gravity"
+                  server_name_list << server_name_for_site
+                end
+                server_name = server_name_list.join(' ')
+                site_path = Pathname.new(exec_ssh_command_by_sudo(ssh,"echo `grep root #{nginx_file} | grep -v -e '#.*root'`").to_s.split("\n").first.to_s.strip.split("root").last.to_s.gsub(";","").strip).dirname.to_s
+                if site_path.present? && exec_ssh_command_by_sudo(ssh,"ls #{site_path}").split.length != 0 &&  exec_ssh_command_by_sudo(ssh,"ls #{site_path}/Gemfile").include?("No such file or directory")
+                  SiteConstruct.where(:server_type => @site_server.server_name , :domain_name=>server_name).destroy
+                  next
+                end
+                path = Pathname.new(site_path).dirname.to_s
+                site_name = Pathname.new(site_path).basename.to_s
+                server_type = @site_server.server_name
+                port = exec_ssh_command_by_sudo(ssh,"echo `grep 'listen' #{nginx_file} | grep -v -e '#.*listen'`").split("\n").first.strip.split("listen").last.strip.split(";").first.split.select{|p| p.strip == p.strip.to_i.to_s}.first.strip rescue "80"
+                db_name = exec_ssh_command_by_sudo(ssh,"echo `cat #{site_path}/config/mongoid.yml | grep 'database'`").split("database:").last.strip
+                db_name = site_name.gsub("-","_") if db_name.include?("No such file or directory")
+                unicorn_sock_path = exec_ssh_command_by_sudo(ssh,"echo `grep 'server unix' #{nginx_file}  | grep -v -e '#.*server unix'`").strip.split("server unix").last.strip.split(":").last.strip rescue (site_path+"/tmp/unicorn.sock")
+                if Pathname.new(path).basename.to_s == "orbit_sites" || Pathname.new(path).basename.to_s == "housing_sites" || Pathname.new(path).basename.to_s == "dev_sites" || Pathname.new(path).dirname.to_s == "/home"
+                  school_name = nil
+                  site_type = "Gravity"
+                else
+                  school_name = Pathname.new(path).basename.to_s
+                  site_type = "School"
+                end
+                pid_infos = exec_ssh_command_by_sudo(ssh,"fuser #{unicorn_sock_path}").to_s.strip.gsub("\n","")
+                if pid_infos.length != 0 && !pid_infos.include?("not exist") &&  !pid_infos.include?("No such file or directory")
+                  status = "finish"
+                else
+                  bundle_show_info = exec_ssh_command_by_sudo(ssh,"bash -l -c 'cd #{site_path};bundle show'")
+                  if bundle_show_info.include?("is not yet checked out") || bundle_show_info.include?("No such file or directory")
+                    status = ""
                   else
-                    school_name = Pathname.new(path).basename.to_s
-                    site_type = "School"
-                  end
-                  pid_infos = exec_ssh_command_by_sudo(ssh,"fuser #{unicorn_sock_path}").to_s.strip.gsub("\n","")
-                  if pid_infos.length != 0 && !pid_infos.include?("not exist") &&  !pid_infos.include?("No such file or directory")
-                    status = "finish"
-                  else
-                    bundle_show_info = exec_ssh_command_by_sudo(ssh,"bash -l -c 'cd #{site_path};bundle show'")
-                    if bundle_show_info.include?("is not yet checked out") || bundle_show_info.include?("No such file or directory")
-                      status = ""
-                    else
-                      status = "closed"
-                    end
-                  end
-                  site_construct = SiteConstruct.where(:server_type => server_type , :domain_name=>server_name).first
-                  update_thread_infos("Detect <a href='#{((port == "443") ? "https" : "http")}://#{server_name}#{((port=="80" || port=="443") ? "" : (':'+port))}'>#{server_name}</a>".html_safe)
-                  if site_construct.nil?
-                    site_construct = SiteConstruct.create(:server_type=>server_type,:site_name=>site_name,:domain_name=>server_name,:nginx_file=>nginx_file,:db_name=>db_name,:port=>port,:path=>path,:site_type=>site_type,:school_name=>school_name,:user_id=>User.first.id,:status=>status)
-                  else
-                    site_construct.update(:server_type=>server_type,:site_name=>site_name,:domain_name=>server_name,:nginx_file=>nginx_file,:db_name=>db_name,:port=>port,:path=>path,:site_type=>site_type,:school_name=>school_name,:user_id=>User.first.id,:status=>status)
+                    status = "closed"
                   end
                 end
+                site_constructs = SiteConstruct.where(:server_type => server_type , :domain_name.in => [server_name,*server_name_list]).all
+                site_construct = site_constructs[0]
+                Array(site_constructs[1..-1]).each do |s|
+                  s.destroy
+                end
+                update_thread_infos("Detect <a href='#{((port == "443") ? "https" : "http")}://#{server_name}#{((port=="80" || port=="443") ? "" : (':'+port))}'>#{server_name}</a>".html_safe)
+                if site_construct.nil?
+                  site_construct = SiteConstruct.create(:server_type=>server_type,:site_name=>site_name,:domain_name=>server_name,:nginx_file=>nginx_file,:db_name=>db_name,:port=>port,:path=>path,:site_type=>site_type,:school_name=>school_name,:user_id=>User.first.id,:status=>status)
+                else
+                  site_construct.update(:server_type=>server_type,:site_name=>site_name,:domain_name=>server_name,:nginx_file=>nginx_file,:db_name=>db_name,:port=>port,:path=>path,:site_type=>site_type,:school_name=>school_name,:user_id=>User.first.id,:status=>status)
+                end
               end
             end
           end
         end
+        SiteConstruct.where(:domain_name.in => ['','localhost','127.0.0.1']).destroy
         @thread.update(:status=>@thread.status.merge({"status"=>"finish"}))
       rescue => e
-       @thread.update(:status=>{"infos"=>@thread.status["infos"].push(e.to_s),"status"=>"error"})
+        puts [e,e.backtrace]
+        @thread.update(:status=>{"infos"=>@thread.status["infos"].push(e.to_s),"status"=>"error"})
       end
     end
   end