3 8 , ▁while ▁both ▁Emperor ▁W en ▁and ▁Y uw en ▁Tai ▁were ▁away ▁on ▁a ▁campaign ▁against ▁Eastern ▁Wei , ▁Y uan ▁Q in ▁was ▁nomin ally ▁put ▁in ▁charge ▁of ▁the ▁capital ▁Ch ang ' an , ▁although ▁the ▁official ▁Z hou ▁Hu ida ▁( 周 <0xE6> <0x83> <0xA0> 達 ) ▁was ▁actually ▁in ▁charge . ▁ ▁When ▁former ▁Eastern ▁Wei ▁capt ives , ▁upon ▁hearing ▁initial ▁news ▁of ▁Eastern ▁Wei ▁vict ories , ▁re bel led ▁within ▁Ch ang ' an ▁with ▁Z ha o ▁Q ing que ▁( <0xE8> <0xB6> <0x99> 青 <0xE9> <0x9B> <0x80> ), ▁Z hou ▁and ▁Li ▁Hu ▁( 李 <0xE8> <0x99> <0x8E> ) ▁were ▁forced ▁to ▁esc ort ▁the ▁crown ▁prince ▁out ▁of ▁Ch ang ' an ▁to ▁fle e ▁the ▁re bell ion . ▁ ▁Event ually , ▁when ▁Y uw en ▁returned , ▁Z ha o ' s ▁re bell ion ▁col lapsed , ▁and ▁Emperor ▁W en ▁and ▁Y uan ▁Q in ▁were ▁both ▁able ▁to ▁return ▁to ▁Ch ang ' an . ▁ ▁Emperor ▁W en ▁had ▁little ▁actual ▁power , ▁and ▁also ▁in ▁ 5 3 8 , ▁over ▁Y uw en ' s ▁desire ▁for ▁an ▁al liance ▁with ▁R our an , ▁he ▁was ▁forced ▁to ▁dep ose ▁Em press ▁Y if u ▁and ▁marry ▁the ▁daughter ▁of ▁R our an ' s ▁Ch ili ant ou bing d ou fa ▁Khan ▁Yu ji ul ü ▁An ag ui ▁as ▁his ▁em press . ▁ ▁In ▁