Diffuse reverse color adjustment
Adjust the color to white, and the brightness in diffuse reflection is 240-250 (no more than 255).
Reflection intensity adjustment
Adjust the reflection intensity to around 15-20, not too big.
Highlight blur adjustment
Adjust the High Gloss to about 0.25.
The reflection main switch is off.
Find the options label in the VR material and remove the tick mark of tracereflection in the box, so that the sofa will not reflect intelligently and produce highlights.