string(322) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%B3%A8%E5%AE%89%E6%8A%A5%E5%90%8D%E5%90%8E%2C%E8%BF%98%E6%B2%A1%E8%80%83%E8%AF%95%E6%88%91%E6%8D%A2%E4%BA%86%E5%8D%95%E4%BD%8D%E6%80%8E%E4%B9%88%E5%8A%9E => Failed to connect to 14.18.117.71 port 38220: Connection refused"
注安报名后,还没考试我换了单位怎么办
