string(268) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%80%E5%BB%BA%E7%B2%BE%E8%AE%B2%E7%8F%AD%E5%92%8C1v1%E6%9C%89%E4%BB%80%E4%B9%88%E5%8C%BA%E5%88%AB => Failed to connect to 14.18.117.71 port 38041: Connection refused"
一建精讲班和1v1有什么区别
