string(293) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%80%E9%80%A0%E4%BA%A4%E9%80%9A%E5%B7%A5%E7%A8%8B%E5%8F%AF%E5%8F%AA%E8%80%83%E6%B0%B4%E8%BF%90%E4%B8%93%E4%B8%9A%E5%90%97 => Failed to connect to 101.89.120.29 port 38231: Connection refused"
一造交通工程可只考水运专业吗
