diff --git a/src/rooms/logic/Handler/BattleHandler.ts b/src/rooms/logic/Handler/BattleHandler.ts
index 65c74be..7474d13 100644
--- a/src/rooms/logic/Handler/BattleHandler.ts
+++ b/src/rooms/logic/Handler/BattleHandler.ts
@@ -471,6 +471,9 @@ export class BattleHandler {
         let ph = this.getPlayer(aplayer);
         let fromph = this.getPlayer(fromplayer);
         ph && ph.onCardLinkEnd(linkcards, fromph);
+
+        //1
+        return 0;
     };
 
     /**
@@ -481,6 +484,9 @@ export class BattleHandler {
     public onCardDiscarded(aplayer: Player, card: Card){
         let ph = this.getPlayer(aplayer);
         ph && ph.onCardDiscarded(card);
+
+        //1
+        return 0;
     };
 
     /**
@@ -492,6 +498,9 @@ export class BattleHandler {
             return;
         }
         sp.srcplayer && sp.srcplayer.onUseCardEnd(sp);
+
+        //1
+        return 0;
     };
 
     /**
@@ -531,6 +540,9 @@ export class BattleHandler {
         }
         let ph = this.getPlayer(aplayer);
         ph && ph.onRoundStart();
+
+        //1
+        return 0;
     };
 
     /**
@@ -541,6 +553,9 @@ export class BattleHandler {
         let ph = this.getPlayer(aplayer);
         ph && ph.onRoundEnd();
         this.checkPets();
+
+        //1
+        return 0;
     };
 
     /**