string(283) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%BB%99%E9%A2%86%E5%AF%BC%E6%8F%90%E7%9A%84%E5%BB%BA%E8%AE%AE%E6%9C%89%E5%93%AA%E4%BA%9B%E5%91%A2%E8%8B%B1%E8%AF%AD => Failed to connect to 14.18.117.71 port 38220: Connection refused"
给领导提的建议有哪些呢英语
