diff --git a/app/models/laboratory.rb b/app/models/laboratory.rb
index dab2f6f39..f53a2afee 100644
--- a/app/models/laboratory.rb
+++ b/app/models/laboratory.rb
@@ -24,7 +24,7 @@ class Laboratory < ApplicationRecord
 
   def site
     rails_env = EduSetting.get('rails_env')
-    suffix = rails_env && rails_env != 'production' ? ".#{rails_env}.educoder.net" : '.educoder.net'
+    suffix = rails_env && rails_env != 'production' ? ".#{rails_env}.trustie.net" : '.trustie.net'
 
     identifier ? "#{identifier}#{suffix}" : ''
   end
@@ -126,4 +126,4 @@ class Laboratory < ApplicationRecord
   def main_site?
     id == 1
   end
-end
\ No newline at end of file
+end
diff --git a/app/views/admins/laboratories/shared/_laboratory_item.html.erb b/app/views/admins/laboratories/shared/_laboratory_item.html.erb
index 1fadd6367..8fdf9c727 100644
--- a/app/views/admins/laboratories/shared/_laboratory_item.html.erb
+++ b/app/views/admins/laboratories/shared/_laboratory_item.html.erb
@@ -1,6 +1,6 @@
 <% school = laboratory&.school %>
 <td><%= list_index_no((params[:page] || 1).to_i, index) %></td>
-<td class="text-left"><%= school&.name || 'EduCoder主站' %></td>
+<td class="text-left"><%= school&.name || 'Trustie主站' %></td>
 <td class="text-left">
   <% if laboratory.identifier %>
     <%= link_to laboratory.site, "https://#{laboratory.site}", target: '_blank'  %>