《宋史·列传·卷二百三十一》
过了几个月，谏官陈馞弹劾他与内侍交结，陈馞获罪被斥退，蔡京也被贬，出知江宁，蔡京很不满，拖延着不去赴任。
逾数月，谏官陈瓘论其交通近侍，瓘坐斥，京亦出知江宁，颇怏怏，迁延不之官。
A few months later, the remonstrance official Chen Xi impeached Cai Jing for colluding with the eunuchs. Chen Xi was found guilty and dismissed from office, and Cai Jing was also demoted and appointed as the prefect of Jianning. Cai Jing was very dissatisfied and delayed taking up his post.