string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%B9%BF%E4%B8%9C%E4%BA%8C%E5%BB%BA%E8%80%83%E8%AF%95%E5%A4%A7%E7%BA%B2 => Failed to connect to 125.88.227.171 port 38114: Connection refused"
广东二建考试大纲
