# config/initializers/active_admin.rb
config.namespace :admin do |admin|
admin.build_menu do |menu|
menu.add :label => "<i class='fa fa-tachometer'></i> Dashboard".html_safe, :priority => 1
menu.add :label => "Second Item", :priority => 2
menu.add :label => "Third Item", :priority => 3
end
end
font-awesome
库,那么请尝试使用上文中的代码。