《宋史·本纪·卷十六》
八月初三，下诏王光祖派遣人招谕乞弟，允许他投降，投降后免罪补官，这一年乞弟去世。
八月庚午，诏王光祖遣人招谕乞弟，许出降免罪补官。是岁，乞弟死。
On the third day of the eighth month, an imperial edict was issued to Wang Guangzu to send someone to summon Qi Di, allowing him to surrender; after his surrender, he would be pardoned and reinstated as an official. Qi Di died that year.