string(253) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=2022%E5%B9%B4%E4%B8%80%E5%BB%BA%E6%95%99%E6%9D%90%E4%BC%9A%E5%8F%98%E5%8A%A8%E5%90%97 => Failed to connect to 101.89.159.206 port 38087: Connection refused"
2022年一建教材会变动吗
