[BUG] 网站钉钉群链接已失效

[samzong]

What happened:

What you expected to happen:

How to reproduce it:

Anything else we need to know?:

Environment:

• KubeDL version:
• Kubernetes version (use kubectl version):
• OS (e.g: cat /etc/os-release):
• Kernel (e.g. uname -a):
• Install tools:
• Others: