string(318) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%9B%91%E7%90%86%E5%B7%A5%E7%A8%8B%E5%B8%88%E7%94%B5%E5%AD%90%E7%89%88%E8%AF%81%E4%B9%A6%E8%83%BD%E7%94%A8%E6%9D%A5%E6%B3%A8%E5%86%8C%E4%B9%88%E5%90%97 => Failed to connect to 14.18.46.51 port 38044: Connection refused"
监理工程师电子版证书能用来注册么吗
