现象：
原因：
服务器无法解析这个域名，说明服务器没有配置DNS。
解决办法：
第一种
第一步：vim /etc/resolv.conf 在nameserver最前面一行加
# DNS服务器可根据学校现状自行调整nameserver 8.8.8.8第二步：重启网络服务
service network restart
第二种
修改hosts文件，绑定域名，而不通过dns解析。
vim /etc/hosts
添加以下映射
183.47.100.66 qyapi.weixin.qq.com
119.147.6.237 api.weixin.qq.com
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