string(244) "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%E5%B8%82%E6%94%BF%E5%AE%9E%E5%8A%A1%E7%9C%9F%E9%A2%982021 => Failed to connect to 101.89.117.144 port 38022: Connection refused"
一建市政实务真题2021
