The lock in the trunk of Chevrolet Lafont was broken before, and another one was replaced. It seems normal to cover the lid without force.
It may be that the screw on the short post of the padlock bayonet is loose, adjust it upwards and tighten it with a screwdriver. Or see if the trunk latch is in place. If so, you can turn it off hard. If not, press the lock block with a screwdriver to see if it can be locked. If not, go directly to the S shop to repair or replace the bolt.