微信发送模板消息报错，但是api.weixin.qq.com能ping通

java.net.UnknownHostException: api.weixin.qq.com

at java.net.InetAddress.getAllByName0(InetAddress.java:1281)

at java.net.InetAddress.getAllByName(InetAddress.java:1193)

at java.net.InetAddress.getAllByName(InetAddress.java:1127)