string(267) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%A5%B3%E7%94%9F%E6%9C%80%E5%A5%BD%E9%80%89%E6%96%87%E7%A7%91%E8%BF%98%E6%98%AF%E7%90%86%E7%A7%91 => Failed to connect to 101.89.159.206 port 38087: Connection refused"
女生最好选文科还是理科
