string(267) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E9%A1%B9%E7%9B%AE%E6%8A%80%E6%9C%AF%E8%B4%9F%E8%B4%A3%E4%BA%BA%E5%A5%BD%E4%B8%8D%E5%A5%BD%E5%B9%B2 => Failed to connect to 101.89.166.210 port 38089: Connection refused"
项目技术负责人好不好干
