fix small

src/service/duel/move.ts

@@ -63,6 +63,11 @@ export default async (move: MsgMove) => {
     }
   }
 
+  if (chainIndex) {
+    // 如果`chainIndex`不为空，则连锁位置变了，需要更新连锁栈的状态
+    matStore.chains[chainIndex - 1] = to;
+  }
+
   switch (to.location) {
     // @ts-ignore
     case ygopro.CardZone.MZONE: {

src/ui/Duel/PlayMat/Chain.tsx

@@ -20,6 +20,7 @@ export const Chain: React.FC<{ chainIdx: number }> = (props: {
     {calcXYs(30, CIRCLES_COUNT).map((item, idx) => (
       <div
         className="circle"
+        key={idx}
         style={
           {
             "--x": item.X + "px",