▁re called ▁to ▁again ▁serve ▁as ▁general ▁of ▁the ▁imperial ▁gu ards . ▁ ▁As ▁J ied ush i ▁ ▁In ▁ 8 2 0 , ▁Wang ▁Ch eng z ong ▁the ▁military ▁governor ▁of ▁Ch eng de ▁Circ uit , ▁who ▁had ▁previously ▁ruled ▁Ch eng de ▁in ▁a ▁de ▁fact o ▁independent ▁manner ▁but ▁who ▁had ▁offered ▁to ▁submit ▁to ▁imperial ▁orders ▁after ▁Wu ▁Y uan ji ' s ▁defeat , ▁died . ▁ ▁The ▁soldiers ▁supported ▁his ▁brother ▁Wang ▁Ch eng y uan ▁to ▁succeed ▁him , ▁but ▁Wang ▁Ch eng y uan , ▁not ▁wanting ▁to ▁continue ▁to ▁hold ▁Ch eng de , ▁decl ined . ▁ ▁In ▁response , ▁then - r uling ▁Emperor ▁M uz ong ▁( Em peror ▁X ian z ong ' s ▁son ) ▁made ▁a ▁series ▁of ▁military ▁governor ▁trans fers ▁for ▁the ▁circ uits ▁in ▁the ▁region ▁— ▁transfer ring ▁T ian ▁Hong zh eng ▁from ▁We ib o ▁to ▁Ch eng de , ▁Wang ▁Ch eng y uan ▁to ▁Y ich eng ▁Circ uit ▁( 義 成 , ▁head qu arter ed ▁in ▁modern ▁Any ang , ▁Hen an ), ▁Li ▁Su ▁from ▁W uning ▁Circ uit ▁( 武 <0xE5> <0xAF> <0xA7> , ▁head qu arter ed ▁in ▁modern ▁X uz hou , ▁Ji ang su ) ▁to ▁We ib o , ▁and ▁Li u ▁Wu ▁from ▁Y ich eng ▁to ▁Z ha oy i ▁Circ uit ▁( 昭 義 , ▁head qu arter ed ▁in ▁modern ▁Ch ang z hi