C86 I found some important clues
An Hao ran all the way home. Grandma An was currently sitting in the courtyard weaving bamboo baskets, and would sell them later. When he saw her rush in, he raised his eyes and looked at her: "Why are you running so fast? Be careful not to fall. "
An Hao shook the bag in his hand happily and said: "Grandma, I brought back good food for you. You don't have to cook tonight, just eat these