string(294) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%9C%E5%A5%A5%E8%BD%BB%E5%9B%9B%E6%9C%80%E5%90%8E%E5%85%AD%E5%A5%97%E9%A2%98%E9%83%BD%E4%B8%8D%E4%BC%9A%E5%81%9A%E5%90%97 => Failed to connect to 101.89.159.206 port 38087: Connection refused"
东奥轻四最后六套题都不会做吗
