运行茉莉花和业力的测试服时生成错误

Question

content_tag :a, href: '/ussers/profile', target: '_blank' do
        capture do
          concat (content_tag :div, nil, :"data-equalizer-watch" => "", :class => 'list_users' do
             concat (content_tag :h2, title)
          end )
        end
      end