string(244) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=2024%E4%BA%8C%E5%BB%BA%E8%80%83%E8%AF%95%E6%97%B6%E9%97%B4%E5%8F%98%E5%8C%96 => Failed to connect to 101.89.159.206 port 38187: Connection refused"
2024二建考试时间变化
