string(321) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%80%E7%BA%A7%E9%80%A0%E4%BB%B7%E5%B8%88%E8%B5%84%E6%96%99%E7%9C%8B%E7%9F%A5%E8%AF%86%E7%82%B9%E8%BF%98%E6%98%AF%E8%80%83%E7%82%B9%E9%87%8D%E8%A6%81 => Failed to connect to 101.89.159.206 port 38075: Connection refused"
一级造价师资料看知识点还是考点重要
