Who is Dai Gong in Mi Di's Tiaoxi Poetry?

Dai Gong is the way of Dai An, and Tiaoxi Poetry is one of the masterpieces of Mi Fei, an outstanding calligrapher in the Northern Song Dynasty. The book has 35 lines and 394 words.

Not 394 words

But 294 words. At this time, the clerk and the person in charge of the business department can only adopt the strategy of "outwitting" to ensure that the cultural relics delivered to the door no longer flow to the people.