docs: update CONTRIBUTING.md

[suyanhanx]

Waiting for new website deploy

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you all sign our Contributor License Agreement before we can accept your contribution.
1 out of 2 committers have signed the CLA.

✅ tisonkun
❌ suyanhanx
_{You have signed the CLA already but the status is still pending? Let us recheck it.}

[suyanhanx]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.You have signed the CLA already but the status is still pending? Let us recheck it.

May this needs to be removed?

[tanruixiang]

Thanks to point out it，I will remove it later

[tisonkun]

Let's merge it as is. The website link is currently not work also. We should fix it in days.