diff --git a/app/views/layouts/cooperative.html.erb b/app/views/layouts/cooperative.html.erb
index baa0c7565..b186c6245 100644
--- a/app/views/layouts/cooperative.html.erb
+++ b/app/views/layouts/cooperative.html.erb
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
   <head>
-    <title><%= current_laboratory.school&.name || 'EduCoder' %>-后台管理</title>
+    <title><%= current_laboratory.laboratory_setting&.name || 'EduCoder' %>-后台管理</title>
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
     <link rel='shortcut icon' type='image/x-icon' href='<%= current_setting_or_default(:tab_logo_url) %>' />
