hi , why it have no submit button?

I do not know. I don't control that part. You will have to message DesignCrowd customer service.

Hello. The work is ready. Designers do not have a button to upload work. Probably due to insufficient description of the competition. Find out from technical support. Since no one uploaded their work.

Perhaps you have specified a rating of designers of only 5 stars?

Hi! Submit my entry Design #28501904. I hope you could take a look at it and let me know your thoughts. Thank you!

I have updated the brief. I have been receiving submissions, but if expanding on the brief gives you more options I have gone ahead and updated. Hopefully you will be able to submit your designs now.