Wear an official hat, no matter what you eat or wear.

It means that officials don't worry about food and clothing, they are either rich or expensive, and they live a carefree life.

Black hats worn by ancient civil servants. Indicates the rank of an official position. A red fringed hat with no crown. In the old society, it was impolite to see a bald official, so servants had to wear official hats when going out or going to work with officials.