Hello, fill light can be added in the rendering interface with one click, the screenshot of the operation steps is as follows:
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5 plus version rendering interface:

After the renderings are done, it is recommended not to add lights, render directly, and then adjust the lights according to the effect of the renderings. In the rendering design, due to the size of each room, collocation, and the atmosphere effect you want to show, the lighting parameters are not the same, and the automatic fill light is only a basic fill light effect.

Image and panorama rendering please click：https://www.aihouse.com/global/study/detail/365
Video rendering please click：https://www.aihouse.com/global/study/detail/710
Render Update in 5.0 please click：https://www.aihouse.com/global/study/detail/709
Outdoor rendering please click：https://www.aihouse.com/global/study/detail/689
Vertical fill plate please click：https://www.aihouse.com/global/study/detail/675
Background upload please click：https://www.aihouse.com/global/study/detail/674
Render in 5plus update please click：https://www.aihouse.com/global/study/detail/783