I translate it to Chinese

That’s great! You can email it to me at the address on the “@author” line in login-security-solution.php.

I will add it to to my git checkout, update it with a few new strings and then push it to Github, where you can update those few strings.

Thanks!

Oh, yeah, see the “Information for Translators” section of the FAQ at
https://wordpress.org/plugins/login-security-solution/faq/