Fix Bugs on VueJS-NodeJS-Express-Mongo app

Fix Bugs on VueJS-NodeJS-Express-Mongo app

I need a talented developer that will fix some bugs and implement a couple of simple things on an existing application.
This is a onetime project for just a couple of days.

Stack : VueJS-NodeJS-Express-Mongo
There is at least 1 obvious bug on the app, please check it and reply with your proposal.
APP ==> tinyurl [dot]com/pphcheck

Here is the list of tasks.
https://www.notion.so/CRIOON-BUGS-FEATURES-2ad0f1ee51d4405e99300597b0e74ac1
Deadline is 05/04/21 by midday 12:30 PM - CEST
Regards,
E.