string(285) "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%E6%A1%88%E4%BE%8B%E7%AD%94%E6%A1%88%E6%B2%A1%E5%86%99%E5%8D%95%E4%BD%8D%E7%BB%99%E5%88%86%E5%90%97 => Failed to connect to 125.88.227.171 port 38114: Connection refused"
一建案例答案没写单位给分吗
