string(253) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=2021%E5%B9%B4%E4%BA%8C%E5%BB%BA%E5%B8%82%E6%94%BF%E5%8F%82%E8%80%83%E7%AD%94%E6%A1%88 => Failed to connect to 101.89.117.144 port 38005: Connection refused"
2021年二建市政参考答案
