引用自 KKCryptic：

I have this same issue. Idle Master, for me, doesn't update playtime when idling multiple games. It seems to idle 30 games indefinitely. I have tested it twice so far, and each time I got the same result: Idle Master idles the games but their playtime in idlemaster does not update which leads Idle Master to just keep idling the 30 games without switching back to individual mode. I currently have 60 something games with over 20+ hours of playtime due to idling that didn't drop cards because the cards don't drop when you have that many going at once.

As soon as I restart idlemaster or change it to individual mode only, it starts to work as expected again, and the cards start to drop as normal.

Hi there. I had the same problem. I played with it in the settings, restarted. It solved. Started to idle one by one, with correct playtime.
Good luck fixing it.

@Glimmer Thanks. That was all I wanted to know.

I understand what it means. But what I don't understand is when less than 2 hours games are idling, none of their played time changes. So when it is idling 30 games which has less then 2 hours, are they all idling at the same time (so in two hours all of them will reach the point to drop cards) or one by one till each of them reaches 2 hours (which will take 60 hours to complete for 30 games).
I know that the card drops starts after 2 hours of playtime. So if it is not going to take just 2 hours for all of the 30 games to reach to 2 hours played, what is the point?

Hi I just installed Idle Master. It says it is idling 30 games which all of them has been played less than 2 hours. It has been sitting for a while and nothing has changed. I am still seeing zeros.
Question is will it take 2 hours for all games to idle to 2 hours? Or 60 hours? It seems to me it is not working at all. Or It is so slow I can't see the effect.