What movie is a disabled person accidentally becoming a grain inspector?

Disabled teenagers accidentally become food inspectors in the movie "Imperial Grain". In the movie "Imperial Grain", Guo interpreted the life experience of grain inspectors. Guo plays the leading role in the play. After an accident, he lost his mobility, but he also mistakenly became a grain inspector in the village. The annual patrol with some rights in his hand has been sought after by the villagers, but he still maintains a fair and just attitude in handling affairs.