▁his ▁uncle ▁Emperor ▁X u ā n z ong , ▁Lu ▁was ▁re called ▁to ▁Ch ang ' an ▁to ▁serve ▁as ▁the ▁deput y ▁minister ▁of ▁defense ▁( 兵 部 <0xE4> <0xBE> <0x8D> 郎 , ▁B ing bu ▁Sh il ang ). ▁ ▁He ▁also ▁again ▁served ▁as ▁acting ▁director ▁of ▁fin ances . ▁ ▁Later ▁that ▁year , ▁he ▁was ▁made ▁Zh ong sh u ▁Sh il ang ▁( 中 書 <0xE4> <0xBE> <0x8D> 郎 ), ▁the ▁deput y ▁head ▁of ▁the ▁legisl ative ▁b ureau ▁of ▁government ▁( 中 書 省 , ▁Zh ong sh u ▁Sh eng ) ▁and ▁ch an cell or ▁de ▁fact o ▁with ▁the ▁design ation ▁T ong ▁Zh ong sh u ▁Men x ia ▁P ing z hang sh i ▁( 同 中 書 門 下 平 章 事 ). ▁ ▁He ▁was ▁also ▁created ▁the ▁Duke ▁of ▁F any ang . ▁ ▁Lu ▁did ▁not ▁serve ▁long ▁as ▁ch an cell or , ▁however . ▁ ▁In ▁ 8 4 7 , ▁during ▁the ▁middle ▁of ▁a ▁dr ought , ▁which ▁were ▁often ▁viewed ▁as ▁signs ▁of ▁divine ▁dis ple asure ▁over ▁over ly ▁severe ▁pun ishment , ▁Emperor ▁X u ā n z ong ▁had ▁Lu ▁and ▁the ▁deput y ▁chief ▁imperial ▁c ensor ▁F eng ▁A o ▁( <0xE5> <0xB0> <0x81> <0xE6> <0x95> <0x96> ) ▁review ▁the ▁cases ▁of ▁the ▁prisoners ▁held ▁at ▁Ch ang ' an . ▁ ▁Lu ▁and ▁F eng ▁apparently ▁advoc ated ▁for ▁commut ation ▁of ▁many