sentences:  During the preparations for Emperor Taizong's campaign against Goguryeo in 644, Wei Ting () the minister of imperial shrines was made in charge of shipping troop supplies over the Bohai Sea, and Cui assisted him; Cui also had the additional responsibilities of shipping troop supplies in the Henan region.Cui, believing that the supplies from distant prefectures would not arrive in time, took the initiative of requisitioning the food collected as taxes in the region he was in charge and shipping those as food supplies for the troops.However, in spring 645, during the campaign, Wei was accused of not getting supplies to the troops quickly enough and demoted to commoner status.