I spent 40 turns to dig for treasure and hit a player treasure of 1 gold coin but only 20 turns was used up when even it prompted me to confirm whether I want to use up all my 40 turns to dig for treasure. This happened twice. I'm pretty much sure this is a bug.
01 Days 03 Hours 56 Mins Port 20 80% Failed Poor luck ---> Here I didn't invest any turns, the 20 turns was left over from the previous hunt.
01 Days 03 Hours 58 Mins Port 40 80% Success (Player) 1