string(274) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%90%86%E7%A7%91%E4%BA%8C%E6%9C%AC%E5%A5%B3%E7%94%9F%E6%9C%80%E5%90%83%E9%A6%99%E7%9A%84%E4%B8%93%E4%B8%9A => Failed to connect to 61.171.74.35 port 38041: Connection refused"
理科二本女生最吃香的专业
