You should learn sketch well first, which is the basis of modeling. Only with this can you start learning something else. Then learn to sketch and exercise your physical grasping ability; Then the color. This is very important if you do hand painting and wall painting. Is to cultivate your sense of color. This is practice, not the same as exercise. Even if you encounter a bottleneck in the future, you will get stuck here. Secondly, seeing more art exhibitions will broaden your horizons and give you creative inspiration. I hope it helps you.