string(267) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%9C%A8%E7%BD%91%E4%B8%8A%E5%B9%B2%E4%BB%80%E4%B9%88%E4%BA%8B%E6%98%AF%E8%BF%9D%E6%B3%95%E7%9A%84 => Failed to connect to 101.89.159.206 port 38187: Connection refused"
在网上干什么事是违法的
