string(231) "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%E8%AF%BE%E4%BB%B6%E5%90%AC%E8%B0%81%E7%9A%84 => Failed to connect to 101.89.117.144 port 38005: Connection refused"
一建课件听谁的
