《资治通鉴·唐纪·唐纪三十四》
玄宗假称剑南节度大使颖王李将要赴镇，命令剑南道准备所用物资。
托以剑南节度大使颍王璬将赴镇，令本道设储偫。
Xuanzong falsely claimed that the Prince of Ying, the governor of Jiannan, was about to be in office and ordered the Jiannan region to prepare the necessary supplies.