diff --git a/app/controllers/admin/site_panel_controller.rb b/app/controllers/admin/site_panel_controller.rb
index ec43533..2d28162 100644
--- a/app/controllers/admin/site_panel_controller.rb
+++ b/app/controllers/admin/site_panel_controller.rb
@@ -246,19 +246,31 @@ class Admin::SitePanelController < OrbitAdminController
       SiteConstruct.find(params[:id]).destroy
       redirect_to :back and return
     elsif params[:type] == 'select_cert'
-      if !params[:is_server]
-        @site_construct = SiteConstruct.find(params[:id])
-        @site_construct.update(:redirect_to_https=>params[:redirect_to_https])
-        is_certbot = true
-        if params[:site_cert_id] != "certbot"
-          is_certbot = false
-          @site_construct.update(:site_cert_id=>BSON::ObjectId(params[:site_cert_id]))
+      is_certbot = true
+      if params[:server_names]
+        is_certbot = false
+        Thread.new do
+          last_idx = params[:server_names].count
+          params[:server_names].each_with_index do |server_name, i|
+            ss = SiteServer.where(:server_name=>server_name).first
+            next if ss.nil?
+            system("bundle exec rake create_site:change_site_cert[#{ss.id.to_s},#{is_certbot},true,#{params[:site_cert_id]},#{params[:redirect_to_https]}#{i == (last_idx -1) ? ',true' : ''}}]")
+          end
         end
       else
-        is_certbot = true
-      end
-      Thread.new do
-        system("bundle exec rake create_site:change_site_cert[#{params[:id]},#{is_certbot},#{params[:is_server]}]")
+        if !params[:is_server]
+          @site_construct = SiteConstruct.find(params[:id])
+          @site_construct.update(:redirect_to_https=>params[:redirect_to_https])
+          if params[:site_cert_id] != "certbot"
+            is_certbot = false
+            @site_construct.update(:site_cert_id=>BSON::ObjectId(params[:site_cert_id]))
+          end
+        else
+          is_certbot = true
+        end
+        Thread.new do
+          system("bundle exec rake create_site:change_site_cert[#{params[:id]},#{is_certbot},#{params[:is_server]}]")
+        end
       end
     else
       Thread.new do
diff --git a/app/controllers/client_managements_controller.rb b/app/controllers/client_managements_controller.rb
index c4d8f79..6153daa 100644
--- a/app/controllers/client_managements_controller.rb
+++ b/app/controllers/client_managements_controller.rb
@@ -82,12 +82,12 @@ class ClientManagementsController < CPanelController
 
   def site_tickets
     if params[:category].present? && params[:keyword].present?
-      regex = Regexp.new(".*" + params[:keyword] + ".*", "i") 
+      regex = ::Regexp.new(".*" + params[:keyword] + ".*", "i") 
       @tickets = @site.tickets.where(:category_id => params[:category], :subject => regex).order_by([:status, :desc],[:created_at, :desc]).page(params[:page]).per(10)
     elsif params[:category].present?
       @tickets = @site.tickets.where(:category_id => params[:category]).order_by([:status, :desc],[:created_at, :desc]).page(params[:page]).per(10)
     elsif params[:keyword].present?
-      regex = Regexp.new(".*" + params[:keyword] + ".*", "i") 
+      regex = ::Regexp.new(".*" + params[:keyword] + ".*", "i") 
       @tickets = @site.tickets.where(:subject => regex).order_by([:status, :desc],[:created_at, :desc]).page(params[:page]).per(10)
     else
       @tickets = @site.tickets.order_by([:status, :desc],[:created_at, :desc]).page(params[:page]).per(10)
diff --git a/app/models/site_cert.rb b/app/models/site_cert.rb
index e2e25d0..5862045 100644
--- a/app/models/site_cert.rb
+++ b/app/models/site_cert.rb
@@ -34,7 +34,7 @@ class SiteCert
     	cert_file_md5 = `openssl x509 -noout -modulus -in #{self.cert_file.file.file} | openssl md5`
     	private_key_md5 = `openssl rsa -noout -modulus -in #{self.private_key.file.file} | openssl md5`
     	is_valid = (cert_file_md5 == private_key_md5)
-    	domain_names = `openssl x509 -text <  #{self.cert_file.file.file} | grep 'DNS:' | sed 's/\s*DNS:\([a-z0-9.\-]*\)[,\s]\?/\1 /g'`.split('DNS:').map{|s| s.strip}.select{|s| s.present?} rescue []
+    	domain_names = `openssl x509 -text <  #{self.cert_file.file.file} | grep 'DNS:' | sed 's/\s*DNS:\([a-z0-9.\-]*\)[,\s]\?/\1 /g'`.split('DNS:').map{|s| s.sub(',','').strip}.select{|s| s.present?} rescue []
     	if domain_names.blank?
         self.is_valid = false
         @skip_callback = true
@@ -53,4 +53,13 @@ class SiteCert
     	false
     end
   end
+  def valid_domain_names(site_names)
+    site_names = site_names.split(" ").map{|s| s.strip}
+    valid_site_names = []
+    self.domain_names.each do |d|
+      regx = ::Regexp.new("\\A"+d.gsub('.',"\\.").gsub('*','[^\\.]+').sub(',','').strip)
+      valid_site_names += site_names.select{|s| !(s.match(regx).nil?)}
+    end
+    return valid_site_names
+  end
 end
\ No newline at end of file
diff --git a/app/models/site_construct.rb b/app/models/site_construct.rb
index ae23eb6..790051e 100644
--- a/app/models/site_construct.rb
+++ b/app/models/site_construct.rb
@@ -83,7 +83,7 @@ class SiteConstruct
     }.join('\n')
   end
   def match_exact_index(text,match_character,level=1)
-    text.enum_for(:scan,/(?:[^#{match_character}])#{match_character}{#{level}}(?!#{match_character})/m).map { offset_index=Regexp.last_match.to_s.index(match_character);Regexp.last_match.offset(0).first + offset_index}
+    text.enum_for(:scan,/(?:[^#{match_character}])#{match_character}{#{level}}(?!#{match_character})/m).map { offset_index=::Regexp.last_match.to_s.index(match_character);::Regexp.last_match.offset(0).first + offset_index}
   end
   def parse_nginx_text_to_server_blocks(nginx_text,get_all_blocks=false,level=1)
     num = 1
@@ -231,7 +231,7 @@ class SiteConstruct
     domain_names = domain_name.strip().split(" ")
     if default_domain_idx == -1
       site_server.default_domain_names.each do |default_domain_name|
-        default_domain_name = Regexp.new("\\A"+default_domain_name.gsub(".","\\.").gsub("*","[^.]*"))
+        default_domain_name = ::Regexp.new("\\A"+default_domain_name.gsub(".","\\.").gsub("*","[^.]*"))
         custom_default_domain_name = domain_names.select{|n| n.match(default_domain_name) }.first
         break if custom_default_domain_name.present?
       end
diff --git a/app/models/site_server.rb b/app/models/site_server.rb
index a1b3e98..e50d353 100644
--- a/app/models/site_server.rb
+++ b/app/models/site_server.rb
@@ -42,12 +42,12 @@ class SiteServer
         add_default_domains = self.default_domain_names - self.default_domain_names_was.to_a
         check_domains += removed_default_domains
         check_domains += add_default_domains
-        check_domains = check_domains.map{|domain| Regexp.new("(\\A|\\s)"+domain.gsub(".","\\.").gsub("*","[^.]*") + "($|\\s)")}
+        check_domains = check_domains.map{|domain| ::Regexp.new("(\\A|\\s)"+domain.gsub(".","\\.").gsub("*","[^.]*") + "($|\\s)")}
         tmp_site_constructs = tmp_site_constructs.where(:domain_name.in=>check_domains)
         need_change = true
       elsif need_change
         check_domains = self.default_domain_names
-        check_domains = check_domains.map{|domain| Regexp.new("(\\A|\\s)"+domain.gsub(".","\\.").gsub("*","[^.]*") + "($|\\s)")}
+        check_domains = check_domains.map{|domain| ::Regexp.new("(\\A|\\s)"+domain.gsub(".","\\.").gsub("*","[^.]*") + "($|\\s)")}
         tmp_site_constructs = tmp_site_constructs.where(:domain_name.in=>check_domains)
       end
     end
diff --git a/app/views/admin/site_panel/_certs_table.html.erb b/app/views/admin/site_panel/_certs_table.html.erb
index 677874c..0228244 100644
--- a/app/views/admin/site_panel/_certs_table.html.erb
+++ b/app/views/admin/site_panel/_certs_table.html.erb
@@ -24,6 +24,7 @@
         <td><%=site_cert.generate_file_link('ca_bundle')%></td>
         <td><%=site_cert.generate_file_link('private_key')%></td>
         <td>
+          <%= link_to t("client_management.batch_install"),"#",:class=>"btn btn-success btn-small batch_install_cert",:data=>{:id=>site_cert.id.to_s} %>
           <%= link_to t(:edit),admin_site_panel_edit_cert_path(site_cert.id),:class=>"btn btn-primary btn-small" %>
           <%= link_to t(:delete_),admin_site_panel_destroy_cert_path(site_cert.id),:class=>"btn btn-danger btn-small",:data=>{:method=>"delete",:confirm=>t("client_management.confirm_delete")} %>
         </td>
@@ -48,4 +49,108 @@
     color: red;
     font-size: 2em;
   }
-</style>
\ No newline at end of file
+</style>
+<script>
+  var close_info = false;
+  var timeout_id;
+  var cert_id;
+  var status_relation = {"starting":"<span style=\"color: skyblue;\">starting</span>","execing":"<span style=\"color: skyblue;\">execing</span>","detecting":"<span style=\"color: skyblue;\">detecting</span>","error":"<span style=\"color: red;\">error</span>","finish": "<span style=\"color: darkseagreen;\">finish</span>","closed":"<span style=\"color: red;\">closed</span>"};
+  $(".batch_install_cert").off('click').on('click',function(){
+    cert_id = $(this).data("id");
+    $.post("<%=admin_site_panel_edit_server_info_path%>",{"type":"get_server_names"}).done(function(server_names){
+      var server_names = Array.isArray(server_names) ? server_names : [];
+      show_exec_commands_block(server_names);
+    })
+  });
+  function show_exec_commands_block(server_names){
+    if($("#batch_install_cert-dialog-confirm").length == 0){
+      $("#main-wrap").before("<div id='batch_install_cert-dialog-confirm' title='Select servers need to install this cert'>"+
+                    "<div style='clear: both;'></div><div class='control-group'><label style='font-size: 1.2em; font-weight: bold;'><%= check_box_tag("redirect_to_https",1,(@site_construct.redirect_to_https rescue false)).gsub('"',"'").html_safe %><%=t("client_management.redirect_to_https")%></label></div><div id='server_names_block'></div></div>");
+    };
+    $( "#batch_install_cert-dialog-confirm" ).dialog({
+      resizable: true,
+      minHeight: 300,
+      maxHeight: 400,
+      modal: true,
+      width: '80%',
+      open: function(){
+        $(this).parent().css("top",$(document).height() - $(window).height() + "px");
+      },
+      close: function(){$( this ).dialog( "close" );},
+      buttons: {
+      "<%= t(:submit) %>": function(){$( this ).dialog( "close" );exec_commands()},
+      }
+    });
+    $("#server_names_block").html($.map(server_names,function(server_name){
+      return "<input style='float: left;' class='server_name_checkbox' type='checkbox' id='server_name_"+server_name+"'><label style='float: left;' for='server_name_"+server_name+"'>"+server_name+"</label>"
+    }))
+  }
+  function exec_commands(){
+    var server_names = [];
+    var $els = $(".server_name_checkbox");
+    for(var i = 0; i < $els.length; i++){
+      if($els.eq(i).prop("checked")){
+        console.log($els.eq(i));
+        server_names.push($("label[for='"+$els.eq(i).attr('id')+"']").text().trim());
+      }
+    }
+    var redirect_to_https = ($('#batch_install_cert-dialog-confirm [name="redirect_to_https"]:checked').length != 0);
+    $.post("<%=admin_site_panel_edit_site_path%>",{'server_names':server_names,'type':'select_cert', 'is_server': true, 'site_cert_id': cert_id, 'redirect_to_https': redirect_to_https}).done(function(){
+     show_infos_dialog("batch_install_certs");
+    });
+  }
+  function see_infos(key){
+    key = key || "";
+    if(!close_info){
+      var request = $.post("<%=admin_site_panel_edit_server_info_path%>",{"type":'see_infos',"key":key});
+      request.done(function(data){
+        var infos = request.responseJSON.infos;
+        var status = request.responseJSON.status;
+        if($("#info_texts").length == 0)
+          return infos.join("<br>")
+        else{
+          if(status == "")
+            var status_text = "not yet create";
+          else
+            var status_text = status_relation[status];
+          if(!status_text){
+            status_text = "<span style=\"color: skyblue;\">"+status+"</span>";
+          }
+          $("#info_texts").html(status_text+"<div style='clear:both;'></div>"+infos.join("<br>"));
+          msg_end.scrollIntoView();
+          timeout_id = window.setTimeout(see_infos(key),1000);
+        }
+      })
+    }else{
+      window.clearTimeout(timeout_id);
+    }
+  };
+  function show_infos_dialog(key){
+    key = key || "";
+    close_info = true;
+    window.clearTimeout(timeout_id);
+    close_info = false;
+    if($("#dialog-confirm").length == 0){
+      $("#main-wrap").before("<div id='dialog-confirm' title='site infos'>"+
+                    "<div style='clear:both;'></div><div id='info_texts'>"+see_infos(key)+"</div><div id='msg_end' style='height:0px; overflow:hidden'></div>"+
+                    "</div>");
+    }else{
+      see_infos(key);
+    };
+    $( "#dialog-confirm" ).dialog({
+      resizable: true,
+      minHeight: 100,
+      maxHeight: 400,
+      width: '80%',
+      modal: true,
+      open: function(){
+        $(this).parent().css("top",$(document).height() - $(window).height() + "px");
+      },
+      close: function(){close_info = true;},
+      buttons: {
+      "<%= t('client_management.confirm') %>": function(){$( this ).dialog( "close" );close_info = true;},
+      "stop update": function(){close_info = true;}
+      }
+    });
+  }
+</script>
\ No newline at end of file
diff --git a/app/views/admin/site_panel/_server_manager_index.html.erb b/app/views/admin/site_panel/_server_manager_index.html.erb
index e41ed75..e5ef243 100644
--- a/app/views/admin/site_panel/_server_manager_index.html.erb
+++ b/app/views/admin/site_panel/_server_manager_index.html.erb
@@ -210,7 +210,7 @@
     $(".install_certbot_certs").off("click").on("click",function(){
       var id = $(this).data("id");
       $.post("<%=admin_site_panel_edit_site_path%>",{'id': id,'type':'select_cert', 'is_server': true}).done(function(response){
-        show_infos_dialog("install_certbot_certs");
+        show_infos_dialog("batch_install_certs");
       });
     })
   })
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 8c4f7b3..f6856af 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -7,6 +7,7 @@ en:
     upload_cert: Upload Cert
     cert_management: Cert Management
   client_management:
+    batch_install: Batch Install
     install_certbot_certificates_in_batches: Install certbot certificates in batches
     update_nginx_settings: "Update nginx settings"
     set_to_default_domain_name: "Set to default domain name"
diff --git a/config/locales/zh_tw.yml b/config/locales/zh_tw.yml
index db2db3d..24eebaf 100644
--- a/config/locales/zh_tw.yml
+++ b/config/locales/zh_tw.yml
@@ -7,6 +7,7 @@ zh_tw:
     upload_cert: 上傳憑證
     cert_management: 憑證管理
   client_management:
+    batch_install: 批次安裝
     install_certbot_certificates_in_batches: 批次安裝certbot憑證
     update_nginx_settings: "修改nginx設定"
     set_to_default_domain_name: "設定為預設的domain name"
diff --git a/config/routes.rb b/config/routes.rb
index a96a8dc..42c60f9 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -1,7 +1,7 @@
 Rails.application.routes.draw do
 
   locales = Site.find_by(site_active: true).in_use_locales rescue I18n.available_locales
-  scope "(:locale)", locale: Regexp.new(locales.join("|")) do
+  scope "(:locale)", locale: ::Regexp.new(locales.join("|")) do
     namespace :admin do
       # get "client_managements/completed_requests", to: 'client_managements#completed_requests'
       # get "client_managements/contracts", to: 'client_managements#contracts'
diff --git a/lib/tasks/change_site_cert.rake b/lib/tasks/change_site_cert.rake
index dc15484..e8e64e1 100644
--- a/lib/tasks/change_site_cert.rake
+++ b/lib/tasks/change_site_cert.rake
@@ -3,23 +3,24 @@ require 'pathname'
 require 'json'
 namespace :create_site do
   desc "Change Site Cert"
-  task :change_site_cert,[:id,:is_certbot,:id_is_server] => :environment do |task,args|
+  task :change_site_cert,[:id,:is_certbot,:id_is_server,:cert_id,:redirect_to_https,:exec_finish] => :environment do |task,args|
     begin
       site_server = nil
       site_constructs = []
       @is_multithread = false
       @thread = nil
+      @default_cert = args.cert_id ? SiteCert.find(args.cert_id) : nil
       if args.id_is_server
         site_server = SiteServer.find(args.id)
         site_constructs = site_server.site_constructs.to_a
         @is_multithread = true
-        Multithread.where(:key=>'install_certbot_certs').each{|thread| thread.destroy if (thread.status["status"] == "error" || thread.status["status"] == "finish")}
-        Multithread.where(:key=>'install_certbot_certs').destroy
-        @thread = Multithread.where(:key=>'install_certbot_certs').first
+        Multithread.where(:key=>'batch_install_certs').each{|thread| thread.destroy if (thread.status["status"] == "error" || thread.status["status"] == "finish")}
+        Multithread.where(:key=>'batch_install_certs').destroy
+        @thread = Multithread.where(:key=>'batch_install_certs').first
         if @thread.nil?
-          @thread = Multithread.create(:key=>'install_certbot_certs',:status=>{"infos"=>[],"status"=>"execing"})
+          @thread = Multithread.create(:key=>'batch_install_certs',:status=>{"infos"=>[],"status"=>"execing"})
         else
-          return false
+          return false if @default_cert.nil?
         end
       else
         @site_construct = SiteConstruct.find(args.id)
@@ -31,6 +32,7 @@ namespace :create_site do
       if !site_server.nil?
         @password = site_server.password
         Net::SSH.start(site_server.ip , site_server.account , password: site_server.password) do |ssh|
+          redirect_to_https = args.redirect_to_https ? true : (@site_construct.redirect_to_https rescue false)
           if tmp_is_certbot || (@site_cert.is_certbot rescue false)
             domain_names = site_constructs.flat_map{|site_construct| site_construct.domain_name.strip.split(" ")}.select{|d| d.present? && d.match(/^[\d\.]+$/).nil?}
             domain_names = domain_names.select{|d| `dig #{d} +short`.split("\n").select{|s| s.strip == site_server.ip}.count != 0}
@@ -41,7 +43,6 @@ namespace :create_site do
                 if site_constructs.count > 1
                   auto_update_infos("Generating single cert for multiple domain names...")
                 end
-                redirect_to_https = (@site_construct.redirect_to_https rescue false)
                 exec_ssh_command_by_sudo_and_see_output(ssh,"sudo -p 'sudo password:' #{certbot_path} --nginx #{domain_names.map{|d| "-d " + d}.join(" ")} -n --#{redirect_to_https ? 'redirect' : 'no-redirect'}",true,false)
                 site_constructs.each do |site_construct|
                   @site_construct = site_construct
@@ -73,7 +74,7 @@ namespace :create_site do
                       site_construct.update(:site_cert=>site_cert)
                     end
                     all_ports = (site_construct.port + ["443"]).uniq
-                    site_construct.update(:port=> all_ports )
+                    site_construct.update(:port=> all_ports, :status=>'finish' )
                     auto_update_infos("Finish installing cert with certbot in #{site_construct.site_name} !")
                   else
                     auto_update_infos("Certbot generate cert failed!")
@@ -89,13 +90,19 @@ namespace :create_site do
             end
           else
             site_constructs.each do |site_construct|
-              @site_cert = @site_construct.site_cert
+              @site_cert = @default_cert || @site_construct.site_cert
               next if @site_cert.nil?
               is_certbot = tmp_is_certbot || (@site_cert.is_certbot rescue false)
               @site_construct = site_construct
               @site_cert.change_data
               if @site_cert.is_valid
+                valid_domain_names = @site_cert.valid_domain_names(@site_construct.domain_name)
+                next if valid_domain_names.count == 0
+                if @default_cert
+                  @site_construct.update(:site_cert=>@default_cert,:redirect_to_https=>redirect_to_https)
+                end
                 auto_update_infos("Copying Cert to #{@site_construct.server_type}...")
+                auto_update_infos("Installing Cert on #{valid_domain_names.join(" , ")}")
                 cert_file_content = [(@site_cert.cert_file.file.read.strip rescue ""),(@site_cert.ca_bundle.file.read.strip rescue "")].join("\n").strip
                 private_key_content = @site_cert.private_key.file.read
                 cert_file_store_path = @site_construct.cert_file_remote_store_path
@@ -108,7 +115,7 @@ namespace :create_site do
                 auto_update_infos("Setting Cert...")
                 nginx_file_content = exec_command_by_user(ssh,"cat #{@site_construct.nginx_file}")
                 all_ports = (@site_construct.port + ["443"]).uniq
-                @site_construct.update(:port=> all_ports )
+                @site_construct.update(:port=> all_ports,:status=>'finish' )
                 nginx_file_content = @site_construct.generate_nginx_text(nginx_file_content)
                 cmd = "x='#{nginx_file_content}'; echo '#{@password}' | sudo -S sh -c \"echo '$x' > #{@site_construct.nginx_file}\""
                 exec_command_by_user(ssh,cmd)
@@ -116,11 +123,13 @@ namespace :create_site do
             end
           end
           exec_ssh_command_by_sudo(ssh,"service nginx restart")
-          auto_update_infos("Finish!")
-          if @is_multithread
-            @thread.update(:status=>@thread.status.merge({"status"=>"finish"}))
-          else
-            @site_construct.update(:status=>"finish")
+          if @default_cert.nil? || args.exec_finish
+            auto_update_infos("Finish!")
+            if @is_multithread
+              @thread.update(:status=>@thread.status.merge({"status"=>"finish"}))
+            else
+              @site_construct.update(:status=>"finish")
+            end
           end
         end
       else
@@ -130,7 +139,11 @@ namespace :create_site do
     rescue => e
       puts [e,e.backtrace]
       auto_update_infos(e.to_s)
-      @site_construct.update(:status=>"error")
+      if @is_multithread
+        @thread.update(:status=>@thread.status.merge({"status"=>"error"}))
+      else
+        @site_construct.update(:status=>"error")
+      end
     end
   end
   def exec_command_by_user(session,command)