Canva graphic designing

Sir, there is a big problem I’m facing right now. Recently when I opened canvas on my pc then what I saw it. I saw there was a phishing threat warning by canvas. It shows that this website is a phishing threat. I want you to u help me asap. Because when I start practice in canvas it shows me that

Dear Learner,

Welcome to LearnVern! We are happy to serve you. We hope our reply serves your query well.

Canva is not a phishing site it. Please use it from official URL.

Keep learning.

Thanks and Regards,
Team LearnVern.

Still facing the same problem is there anything u can do to help me.

Sir please teach me how to make youtube thumbnails and intro video on canva