string(267) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%81%8F%E9%97%A8%E7%9A%84%E5%B7%A5%E4%BD%9C%E5%8E%BB%E5%93%AA%E6%89%BE%E6%AF%94%E8%BE%83%E5%A5%BD => Failed to connect to 101.89.117.144 port 38017: Connection refused"
偏门的工作去哪找比较好
