《宋史·列传·卷二百三十一》
王黼被罢，皇上想重用蔡攸，不久又后悔，只升他为太保，改封为燕国公。
王黼罢政，帝欲大用攸，既而悔之，但进太保，徙封燕。
After Wang Fu was dismissed, the emperor wanted to reuse Cai You, but soon regretted it and only promoted him to Taibao (Grand Protector) and changed his title to the Duke of Yan.