string(276) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%83%B3%E6%8A%95%E8%B5%84%E5%BC%80%E4%B8%AA%E5%BA%97%E5%B9%B2%E4%BB%80%E4%B9%88%E5%A5%BD%E4%B8%80%E7%82%B9 => Failed to connect to 101.89.117.144 port 38076: Connection refused"
想投资开个店干什么好一点
