Some questions about shadow rendering

Hi everyone, I’m an level artist. My project is developed using real-time lighting and C++.
But I have some problems, the model will have some very strange shadow rendering, I want to ask how to eliminate these shadows?
Please forgive, I can’t use baked lighting, this project is a real-time lighting project. :sneezing_face:

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Have you tried making your skylight stationary? It looks like mesh distance fields mud…