Are these renders from the movie render queue? If so, it looks like you have a small number of temporal samples causing that ghosting.
William Faucher just published a great video on this topic -
these are from preview. It appear movie render queue，too .Temporal samples ：1
If Temporal samples=2\4\8\16 It diminishes but it doesn’t disappear
Hey there @junjunshu1! Welcome to the community! The ghosting you’re seeing with Lumen is often exasperated with temporal anti aliasing techniques like TSR or TAA, but the ghosting can still occur without it.
This thread goes over some workarounds, mitigations, and solutions the community has worked out. I’d recommend testing them to see which works best for you: