《资治通鉴·唐纪·唐纪三十五》
到了约好的投降日期，李光弼率兵站在城上，派遣裨将率领数千人出城，假装投降，叛军都一心站着观看。
至期，光弼勒兵在城上，遣裨将将数千人出，如降状，贼皆属目。
On the appointed date of surrender, Li Guangbi led his troops to stand on the city, sent his deputy to lead thousands of people out of the city, pretending to surrender, and the rebel army all stood to watch.