diff --git a/card/mtg.js b/card/mtg.js
index 96c4f01a0..6914b720c 100644
--- a/card/mtg.js
+++ b/card/mtg.js
@@ -495,7 +495,7 @@ game.import('card',function(lib,game,ui,get,ai,_status){
 				content:function(){
 					player.recast(cards,null,(player,cards)=>{
 						var cardsToGain=[];
-						for(let repetition=0;repetition<cards.length;repetition++){
+						for(var repetition=0;repetition<cards.length;repetition++){
 							var card=get.cardPile(card=>get.type(card,'trick')=='trick');
 							if(card) cardsToGain.push(card);
 						}
diff --git a/card/yongjian.js b/card/yongjian.js
index 7e549d9a2..0dd8bac01 100644
--- a/card/yongjian.js
+++ b/card/yongjian.js
@@ -598,7 +598,7 @@ game.import('card',function(lib,game,ui,get,ai,_status){
 					player.showCards(cards,`${get.translation(player)}对${(targets=>{
 						if(get.itemtype(targets)=='player') targets=[targets];
 						if(targets[0]!=player) return get.translation(targets);
-						const selfTargets=targets.slice();
+						var selfTargets=targets.slice();
 						selfTargets[0]='自己';
 						return get.translation(selfTargets);
 					})(logs)}发动了【${get.skillTranslation(event.name,player)}】`);
diff --git a/character/gwent.js b/character/gwent.js
index 6dfd606f3..a74cad30c 100644
--- a/character/gwent.js
+++ b/character/gwent.js
@@ -1375,7 +1375,7 @@ game.import('character',function(lib,game,ui,get,ai,_status){
 				filter:(event,player)=>get.type(event.card)!='equip'&&player.hasCard(card=>get.color(card)==get.color(trigger.card)&&player.canRecast(card),'h'),
 				content:function(){
 					'step 0'
-					let cards=player.getCards('h',card=>get.suit(card)==get.suit(trigger.card)&&player.canRecast(card));
+					var cards=player.getCards('h',card=>get.suit(card)==get.suit(trigger.card)&&player.canRecast(card));
 					if(!cards.length) cards=player.getCards('h',card=>get.color(card)==get.color(trigger.card)&&player.canRecast(card));
 					if(!cards.length){
 						event.finish();
diff --git a/game/game.js b/game/game.js
index 36c7d2c54..ca4340a54 100644
--- a/game/game.js
+++ b/game/game.js
@@ -12850,7 +12850,7 @@
 					var i,j,k;
 					for(i in character){
 						if(character[i].character){
-							const characterPack=lib.characterPack[i];
+							var characterPack=lib.characterPack[i];
 							if(characterPack) Object.assign(characterPack,character[i].character);
 							else lib.characterPack[i]=character[i].character;
 						}
@@ -12902,7 +12902,7 @@
 						}
 					}
 					for(i in card){
-						const cardPack=lib.cardPack[i]?lib.cardPack[i]:lib.cardPack[i]=[];
+						var cardPack=lib.cardPack[i]?lib.cardPack[i]:lib.cardPack[i]=[];
 						if(card[i].card){
 							for(var j in card[i].card){
 								if(!card[i].card[j].hidden&&card[i].translate[j+'_info']){
@@ -18547,9 +18547,9 @@
 
 						if(lib.config.background_speak){
 							if(lib.character[player.name]&&lib.character[player.name][4].some(tag=>/^die:.+$/.test(tag))){
-								const tag=lib.character[player.name][4].find(tag=>/^die:.+$/.test(tag));
-								const reg=new RegExp("^ext:(.+)?/");
-								const match=tag.match(/^die:(.+)$/);
+								var tag=lib.character[player.name][4].find(tag=>/^die:.+$/.test(tag));
+								var reg=new RegExp("^ext:(.+)?/");
+								var match=tag.match(/^die:(.+)$/);
 								if(match){
 									let path=match[1];
 									if(reg.test(path)) path=path.replace(reg,(_o,p)=>`../extension/${p}/`);