update link

Signed-off-by: Mengxin Liu <[email protected]>

Author: oilbeater

docs/contact.md

@@ -1,5 +1,5 @@
 # 联系方式
 
-关注公众号获得更多最新信息，请扫描下方二维码:
+关注公众号获得更多最新信息，请扫描下方二维码：
 
 ![img.png](static/offical-account-qr.png)

overrides/contact.md

@@ -1,4 +1,4 @@
 [:material-wechat: 微信群](https://jinshuju.net/f/lyrEow){: target="_blank" .md-button }
 [:material-slack: Slack](https://communityinviter.com/apps/kube-ovn/kube-ovn/){: target="_blank" .md-button }
 [:material-twitter: Twitter](https://twitter.com/KubeOvn){: target="_blank" .md-button }
-[:material-email: Support](https://jinshuju.net/f/fdJRKE){: target="_blank" .md-button }
+[:material-email: Support](https://www.alauda.io/products/kube-ovn){: target="_blank" .md-button }