《资治通鉴·唐纪·唐纪四十六》
李怀光又嫌恶李晟独当一面，惟恐他有所建树，便上奏请求与李晟合兵，德宗颁诏答应了他的请求。
又恶李晟独当一面，恐其成功，奏请与晟合军。诏许之。
Li Huaiguang was also very jealous of Li Sheng's independent command, and worried that he would accomplish great feats. Therefore, he submitted a memorial to the imperial court asking to join forces with Li Sheng, and Emperor Dezong approved his request.