string(280) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=2020%E5%B9%B4%E4%B8%80%E5%BB%BA%E7%AE%A1%E7%90%86%E5%A4%9A%E5%B0%91%E5%88%86%E5%8F%8A%E6%A0%BC%E8%80%83%E8%AF%95 => Failed to connect to 101.89.117.144 port 38017: Connection refused"
2020年一建管理多少分及格考试
