Hello @khoipro,
We apologise for the frustration. This plugin is only used in combination with a CaptchaFox account. The link to our administration portal is active and working correctly.
Please try again and also let us know how we can improve the documentation.
You can also contact our support team at [email protected] if you encounter any problems. We will be happy to assist.
Best regards,
The CaptchaFox Team