string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%80%E5%BB%BA%E8%80%83%E8%AF%95%E8%A6%81%E6%8A%A5%E7%8F%AD%E5%90%97 => Failed to connect to 101.89.159.206 port 38100: Connection refused"
一建考试要报班吗
