string(267) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%8E%BB%E8%BF%AA%E6%8B%9C%E6%89%93%E5%B7%A5%E9%9C%80%E8%A6%81%E6%B3%A8%E6%84%8F%E4%BB%80%E4%B9%88 => Failed to connect to 101.89.159.206 port 38075: Connection refused"
去迪拜打工需要注意什么
