string(298) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=2021%E5%B9%B4%E5%B8%82%E6%94%BF%E4%B8%80%E5%BB%BA%E5%AE%9E%E5%8A%A1%E7%9C%9F%E9%A2%98%E7%AC%AC%E5%9B%9B%E9%81%93%E5%A4%A7%E9%A2%98 => Failed to connect to 101.89.143.195 port 38175: Connection refused"
2021年市政一建实务真题第四道大题
