string(276) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%9C%89%E4%BB%80%E4%B9%88%E5%B7%A5%E4%BD%9C%E6%AF%94%E8%BE%83%E8%87%AA%E7%94%B1%E8%BF%98%E8%B5%9A%E9%92%B1 => Failed to connect to 101.89.159.206 port 38100: Connection refused"
有什么工作比较自由还赚钱
