diff --git a/lib/tasks/detect_sites.rake b/lib/tasks/detect_sites.rake
index 3173520..4acb264 100644
--- a/lib/tasks/detect_sites.rake
+++ b/lib/tasks/detect_sites.rake
@@ -87,7 +87,7 @@ namespace :create_site do
s.destroy
end
cert_ver_added_text = exec_command_by_user(ssh,"cat #{nginx_file}").scan(/[ \t]*location(?:(?!location.*{).)+{#add_by_site_module.*}/m)[0]
- update_thread_infos("Detect #{server_name}".html_safe)
+ update_thread_infos("Detect #{server_name}".html_safe) rescue nil
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,:cert_ver_added_text=>cert_ver_added_text)
else