string(319) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%AF%B9%E5%B7%A5%E5%8E%82%E5%AE%89%E5%85%A8%E7%94%9F%E4%BA%A7%E5%B7%A5%E4%BD%9C%E6%9C%89%E4%BB%80%E4%B9%88%E6%84%8F%E8%A7%81%E5%92%8C%E5%BB%BA%E8%AE%AE => Failed to connect to 14.18.117.71 port 38133: Connection refused"
对工厂安全生产工作有什么意见和建议
