It's true as you say, Messi hasn't done anything particularly dangerous in front of Real Madrid's goal but he's made a few shots but hasn't found a good target. I hope this match doesn't end in a draw and both teams can score goals in the second half, of course the second half will be more interesting than the first half.
However, PSG will be under more pressure than Real Madrid. Because their midfielder Sergio Ramos will not be due to injury.
Real Madrid and PSG will have to work hard to win this match because winning will make it easier for them to take the trophy upfront. So the two teams have to think about the title in today's game. I will support PSG in today's game even if they have the ability to win the match. I think PSG has all the star players in the squad to prove it so they have less chance of losing in today's match.