string(247) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BA%8C%E5%BB%BA%E5%88%98%E6%B4%8B%E8%AE%B2%E5%BE%97%E6%80%8E%E4%B9%88%E6%A0%B7 => Failed to connect to 61.171.74.35 port 38041: Connection refused"
二建刘洋讲得怎么样
