string(292) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BA%8C%E7%BA%A7%E5%BB%BA%E9%80%A0%E5%B8%88%E5%B8%82%E6%94%BF%E8%A6%81%E8%80%83%E5%93%AA%E5%87%A0%E9%97%A8%E7%A7%91%E7%9B%AE => Failed to connect to 14.116.215.7 port 38225: Connection refused"
二级建造师市政要考哪几门科目
