diff --git a/game/game.js b/game/game.js
index fbc8037d0..2bca3c14f 100644
--- a/game/game.js
+++ b/game/game.js
@@ -27528,9 +27528,43 @@
 					if(this.hasSkillTag('respondShan',true,null,true)) return true;
 					return this.hasUsableCard('shan');
 				},
-				mayHaveShan:function(){
-					return this.hasShan();
-					// modify: After AngelBeats! -2nd Beat-
+				mayHaveSha:function(viewer,type){
+					if((this.hp>2||!this.isZhu&&this.hp>1)&&this.hasSkillTag('respondSha',true,type,true)) return true;
+					if(get.itemtype(viewer)!=='player') viewer=_status.event.player;
+					let cards;
+					if(this===viewer||get.itemtype(viewer)==='player'&&viewer.hasSkillTag('viewHandcard',null,this,true)) cards=this.getCards('h');
+					else cards=this.getShownCards();
+					if(cards.some(card=>{
+						let name=get.name(card,this);
+						if(name=='sha'||name=='hufu'||name=='yuchanqian'){
+							if(type==='use') return lib.filter.cardEnabled(card,this);
+							if(type==='respond') return lib.filter.cardRespondable(card,this);
+							return true;
+						}
+						return false;
+					})) return true;
+					let hs=this.getCards('hs').removeArray(cards).length;
+					if(hs===0) return false;
+					return Math.pow(hs+(this.isPhaseUsing()?6:4),2)>100*_status.event.getRand('mayHaveSha');
+				},
+				mayHaveShan:function(viewer,type){
+					if((this.hp>2||!this.isZhu&&this.hp>1)&&this.hasSkillTag('respondShan',true,type,true)) return true;
+					if(get.itemtype(viewer)!=='player') viewer=_status.event.player;
+					let cards;
+					if(this===viewer||get.itemtype(viewer)==='player'&&viewer.hasSkillTag('viewHandcard',null,this,true)) cards=this.getCards('h');
+					else cards=this.getShownCards();
+					if(cards.some(card=>{
+						let name=get.name(card,this);
+						if(name==='shan'||name==='hufu'){
+							if(type==='use') return lib.filter.cardEnabled(card,this);
+							if(type==='respond') return lib.filter.cardRespondable(card,this);
+							return true;
+						}
+						return false;
+					})) return true;
+					let hs=this.getCards('hs').removeArray(cards).length;
+					if(hs===0) return false;
+					return Math.pow(hs+(this.isPhaseUsing()?3:5),2)>100*_status.event.getRand('mayHaveShan');
 				},
 				hasCard:function(name,position){
 					if(typeof name=='function'){