string(270) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=2023%E4%B8%80%E5%BB%BA%E8%80%83%E8%AF%95%E6%95%99%E6%9D%90%E4%BC%9A%E6%94%B9%E5%90%97%E7%8E%B0%E5%9C%A8 => Failed to connect to 101.89.120.29 port 38104: Connection refused"
2023一建考试教材会改吗现在
