Less oil and less salt will hinder fat burning, affect metabolism and accumulate fat. ...
Reducing carbohydrates will increase weight.
Pay attention to the combination of aerobic and anaerobic during training.
And just because you gain weight doesn't mean you gain weight.
Fitness is a long-term exercise, control diet, work and rest, and insist on training.
The layman can only do you this favor. If you have more fat, you might as well check it.
Fat things.