How to correct white balance with EDUIS

Click the material that needs white balance correction, and select "Video Filter-Color Correction-White Balance" in Eduis. After adding the filter, open the settings in the information bar. In the color picker in the lower left corner, click white first, then click the standard white object in the picture, then click the gray object in the color picker, and finally click the black object in the color picker. Usually there is a slight deviation in color.