string(274) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%9B%9B%E5%B7%9D%E4%B8%80%E5%BB%BA%E5%9C%A8%E5%93%AA%E4%B8%AA%E7%BD%91%E7%AB%99%E6%8A%A5%E5%90%8D%E5%95%8A => Failed to connect to 61.171.74.35 port 38041: Connection refused"
四川一建在哪个网站报名啊
