C124 don't understand

When Bai Keke returned home for dinner, he had already went downstairs early to help Yin Zhenzhu clean up the table.

An Zhenxun asked, "Ru Lang, are you tired from today's work?"

"It's a good thing, dad. It's normal to have a lot of work to do in the early stages. Everything will be much simpler when the big picture is out." An Ruyou washed her hands and sat by the side of the table