Take the System to Hunt Ghosts

I opened my eyes and found that I was reborn through time travel, but the world seemed to have undergone terrible changes. At the beginning, I encountered a ghost beating the door, and bound to the most powerful ghost-catching system, I became stronger by being mean to ghosts! There are so many negative emotions generated every day in the world, so where do they end up? The way of heaven will also weaken, so will the way of heaven that becomes stronger again be the same way of heaven it once was?