string(267) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BA%8C%E5%BB%BA%E7%AE%A1%E7%90%86%E8%80%83%E8%AF%95%E5%A4%9A%E5%B0%91%E5%88%86%E5%8F%8A%E6%A0%BC => Failed to connect to 101.89.117.144 port 38076: Connection refused"
二建管理考试多少分及格
