string(267) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%8A%E5%AD%A6%E5%92%8C%E5%B7%A5%E4%BD%9C%E5%93%AA%E4%B8%AA%E8%87%AA%E7%94%B1%E4%B8%80%E7%82%B9 => Failed to connect to 101.89.159.206 port 38087: Connection refused"
上学和工作哪个自由一点
