string(309) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E9%A2%86%E5%AF%BC%E6%8F%90%E5%87%BA%E5%B7%A5%E4%BD%9C%E4%B8%8A%E7%9A%84%E5%BB%BA%E8%AE%AE%E5%BA%94%E8%AF%A5%E5%9B%9E%E5%A4%8D%E4%BB%80%E4%B9%88 => Failed to connect to 14.18.46.51 port 38206: Connection refused"
领导提出工作上的建议应该回复什么
