sign up for the website

When I click the registration button, there will be a pop-up box of account password

@degni - Not sure what you asking? Are you wondering what to use for the account credentials? Try using the email and password for your account on the forum.

what's the problem with this pop-up when I register account ( official account(https://www.vertica.com/register/),

It's in Chinese. I can't read Chinese but my wife can, but she's at work right now.
Are you saying that if you enter your email in the first box and password in the second box that you can't log in?

Don't enter email or password there! Please note the URL looks like Vertica but is not, it is directing you to some other WordPress site!
What browser are you using? You should not be directed outside vertica.com, and of course you should never enter your vertica.com password on a site outside vertica.com or microfocus.com

Good catch Bryan! I was wondering about the mfocus.vertica domain...
I just registered using a personal email account and no such pop window appeared.
@degni - Per Bryan's warning, DO NOT ENTER YOUR EMAIL and PASSWORD there!