《资治通鉴·唐纪·唐纪五十八》
于是，裴度和王播等人奏请 把刘承偕流放到遥远偏僻的州县，刘悟肯定会释放他。 
度乃与王播等奏请 流承偕于远州，必得出。 
So, Pei Du, Wang Bo and others advised the court to exile Liu Chengjie to a remote and desolate prefecture or county, then Liu Wu would definitely release him.