string(305) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=2021%E5%B9%B4%E6%B5%B7%E5%8D%97%E7%9C%81%E4%BA%8C%E7%BA%A7%E5%BB%BA%E9%80%A0%E5%B8%88%E5%90%88%E6%A0%BC%E7%BA%BF%E6%98%AF%E5%A4%9A%E5%B0%91 => Failed to connect to 61.171.74.35 port 38027: Connection refused"
2021年海南省二级建造师合格线是多少
