If the rendered effect picture has insufficient light, you can manually add supplementary lights. There are several commonly used supplementary lights as follows:

[New version operation is as follows]

1. Universal light strips. You can choose to render visible/invisible, set the brightness and light color. Often used to create light strip effects inside cabinets;

2. Supplementary lights in the rendering interface. Click on the rendered effect picture -- Click on advanced settings -- Drag the supplementary lights into the room, and then modify the brightness, color temperature and height of the supplementary lights.