string(243) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%B9%BF%E4%B8%9C%E4%BA%8C%E5%BB%BA%E8%80%83%E8%AF%952023%E7%AD%94%E6%A1%88 => Failed to connect to 101.91.112.32 port 38221: Connection refused"
广东二建考试2023答案
