diff --git a/app/controllers/admin/admin_modules_controller.rb b/app/controllers/admin/admin_modules_controller.rb
index 2962ab4..043f92b 100644
--- a/app/controllers/admin/admin_modules_controller.rb
+++ b/app/controllers/admin/admin_modules_controller.rb
@@ -137,13 +137,9 @@ class Admin::AdminModulesController < OrbitAdminController
 	def site_list_without_module(rm)
 		registered_sites = []
 		if !rm.nil?
-		rss = RegisteredSite.active
-		rss.each do |rs|
-			im = InstalledModule.where(:r_module => rm.id, :registered_site_id => rs.id)
-			if im.count == 0
-					registered_sites << rs
-				end
-			end
+			active_ids = RegisteredSite.active.pluck(:id)
+			already_installed_ids = InstalledModule.where(:r_module => rm.id, :registered_site_id.in => active_ids).pluck(:registered_site_id)
+			registered_sites = RegisteredSite.where(:id.in=>active_ids - already_installed_ids).order_by(:id=>-1).to_a
 		end
 		registered_sites
 	end
@@ -152,18 +148,16 @@ class Admin::AdminModulesController < OrbitAdminController
 		registered_sites = []
 		times = []
 		if !rm.nil?
-			rss = RegisteredSite.active
-			rss.each do |rs|
-				if access.nil?
-					im = InstalledModule.where(:r_module => rm.id, :registered_site_id => rs.id)
-				else
-					im = InstalledModule.where(:r_module => rm.id, :registered_site_id => rs.id,:permission_granted => access)	
-				end
-				if im.count > 0
-					registered_sites << rs
-					times << im.first.created_at.strftime("%Y-%m-%d %H:%M") rescue ""
-				end
+			if access.nil?
+				ims = InstalledModule.where(:r_module => rm.id, :registered_site_id.in => RegisteredSite.active.pluck(:id))
+			else
+				ims = InstalledModule.where(:r_module => rm.id, :registered_site_id.in => RegisteredSite.active.pluck(:id), :permission_granted => access)
 			end
+			ims_info = ims.pluck(:registered_site_id, :created_at)
+			ims_info.uniq!{|rs_id, created_at| rs_id}
+			ims_info = ims_info.to_h
+			registered_sites = RegisteredSite.where(:id.in=>ims_info.keys).order_by(:id=>-1).to_a
+			times = registered_sites.map{|rs| ims_info[rs.id].strftime("%Y-%m-%d %H:%M") rescue ""}
 		end
 		[registered_sites, times]
 	end
diff --git a/app/helpers/registered_module_helper.rb b/app/helpers/registered_module_helper.rb
index dd7149e..05dffde 100644
--- a/app/helpers/registered_module_helper.rb
+++ b/app/helpers/registered_module_helper.rb
@@ -24,19 +24,21 @@ module RegisteredModuleHelper
 			site.installed_modules << im 
 			site.save
 		end
-		restart_remote_server(site)
 	end
 
 
 	def restart_remote_server(site)
+		params_to_send = {"site_token" => site.site_token}
 		uri = URI.parse("http://#{site.site_domain}/")
 		http = Net::HTTP.new(uri.host,uri.port)
 		request = Net::HTTP::Post.new("/store/restart_server_after_install")
+		request.body = params_to_send.to_query
 		response = http.request(request)
 		if response.code != "200"
 			uri = URI.parse("https://#{site.site_domain}/")
 			Net::HTTP.start(uri.host, uri.port,:use_ssl => true,open_timeout: 30,read_timeout: 30,verify_mode: OpenSSL::SSL::VERIFY_NONE) do |http|
 				request = Net::HTTP::Post.new("/store/restart_server_after_install")
+				request.body = params_to_send.to_query
 				response = http.request(request)
 			end
 		end