Full stack certificate issue

Hello everyone!
I got my fullstack certificate on date May 30, 2019, but now when I open my certificate it shows me today date as issued date .
My Certificate

This certificate is very important for me to get work.so please solve my issue. thanks.

it seems you hhave found this bug:

I highly suggest you don’t give that much importance to having obtained this certificate, but that you highlight instead the projects you completed, and the skills you used to complete those projects, which is much more important. You can create a thread in #career subforum to ask for feedback on your curriculum vitae and portfolio, if you want