string(364) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%80%E7%BA%A7%E9%80%A0%E4%BB%B7%E7%94%B5%E5%AD%90%E8%AF%81%E4%B9%A6%E4%B8%8B%E8%BD%BD%E5%88%B0%E4%BA%86%E4%B8%80%E8%88%AC%E5%A4%9A%E4%B9%85%E5%8F%AF%E4%BB%A5%E5%88%9D%E5%A7%8B%E6%B3%A8%E5%86%8C => Failed to connect to 14.18.117.71 port 38041: Connection refused"
一级造价电子证书下载到了一般多久可以初始注册
