这很容易测试，请尝试
url = "https://tecnoblog.net/noticias/governo-renova-app-da-cnh-para-baratear-obtencao-do-documento/"
response = TopicEmbed.find_remote(url)
puts "远程获取成功: #{response.present?}"
puts "远程正文存在: #{response&.body.present?}"
puts "远程正文长度: #{response&.body&.length || 0}"
puts "远程标题: #{response&.title}"
puts "远程正文: #{response&.body&.truncate(500)}"