Is this a BUG REPORT or FEATURE REQUEST?:

Uncomment only one, leave it on its own line:

• bug

What happened:
getting error message when signing CLA with "xxxx@a-bcd.com.cn" email.
the error message is
"E-Mail format is incorrent!"

What you expected to happen:
CLA signing passed.

How to reproduce it (as minimally and precisely as possible):

Anything else we need to know?:

Environment:

• Version:
• OS (e.g. from /etc/os-release):
• Kernel (e.g. uname -a):
• Install tools:
• Others: