fix small

src/ui/Duel/cardModal.tsx

@@ -38,9 +38,10 @@ const CardModal = () => {
           <Meta title={name} />
           <p>{desc}</p>
         </Card>
-        {interactivies.map((interactive) => {
+        {interactivies.map((interactive, idx) => {
           return (
             <Button
+              key={idx}
               onClick={() => {
                 sendSelectIdleCmdResponse(interactive.response);
                 dispatch(setCardModalIsOpen(false));

src/ui/Duel/hands_.tsx

@@ -19,7 +19,7 @@ const DuelHands = () => {
   return (
     <>
       {hands.map((hand, idx) => {
-        return <DuelHand state={hand} idx={idx} />;
+        return <DuelHand state={hand} idx={idx} key={idx} />;
       })}
     </>
   );