string(301) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BA%8C%E5%BB%BA%E8%80%83%E8%AF%95%E4%BF%A1%E6%81%AF%E5%A1%AB%E5%86%99%E9%94%99%E8%AF%AF%E8%83%BD%E6%94%B9%E5%90%97%E7%9F%A5%E4%B9%8E => Failed to connect to 14.18.117.71 port 38164: Connection refused"
二建考试信息填写错误能改吗知乎
