string(280) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%80%E5%BB%BA2022%E6%95%99%E6%9D%90%E4%BB%80%E4%B9%88%E6%97%B6%E5%80%99%E5%8F%AF%E4%BB%A5%E4%B9%B0%E5%88%B0 => Failed to connect to 101.89.159.206 port 38087: Connection refused"
一建2022教材什么时候可以买到
