《辽史·本纪·卷十五》
夏四月初三，高丽派使者蔡忠顺前来请求照旧向我称臣，皇上下诏令王询亲理朝政。
夏四月庚子，高丽遣蔡忠顺来，乞称臣如旧，诏王询亲朝。
On the 3rd day of the fourth month, Goryeo sent Cai Zhongshun to request to continue to submit to us as it did in the past. The emperor issued an edict ordering Wang Xun to be in charge of state affairs.