diff --git a/app/models/user.rb b/app/models/user.rb
index 74d9b11d2..ec0640700 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -699,6 +699,10 @@ class User < ApplicationRecord
     LimitForbidControl::UserLogin.new(self).clear
   end
 
+  def from_sub_site?
+    laboratory_id.present? && laboratory_id != 1
+  end
+
   protected
   def validate_password_length
     # 管理员的初始密码是5位
diff --git a/app/views/admins/identity_authentications/shared/_list.html.erb b/app/views/admins/identity_authentications/shared/_list.html.erb
index 02c40b5a0..607feb93a 100644
--- a/app/views/admins/identity_authentications/shared/_list.html.erb
+++ b/app/views/admins/identity_authentications/shared/_list.html.erb
@@ -43,7 +43,7 @@
           <%= link_to "/users/#{user.login}", class: 'identity-authentication-avatar', target: '_blank', data: { toggle: 'tooltip', title: '个人主页' } do %>
             <img src="/images/<%= url_to_avatar(user) %>" class="rounded-circle" width="40" height="40" />
           <% end %>
-          <% if user&.from_sub_site? %>
+          <% if user.from_sub_site? %>
             <span class="badge badge-pill badge-info">合作</span>
           <% end %>
         </td>