[PlayerPanel] addPanelInfoToPlayList() spread error

com.twin.app.shoptime/src/views/PlayerPanel/PlayerPanel.jsx

@@ -566,11 +566,11 @@ const PlayerPanel = ({
     (featuredShowsInfos) => {
       const updatedPlayListInfo = [
         { ...showDetailInfo[0] },
-        ...featuredShowsInfos,
+        ...(Array.isArray(featuredShowsInfos) ? featuredShowsInfos : []),
       ];
       setPlayListInfo(updatedPlayListInfo);
     },
-    [showDetailInfo]
+    [showDetailInfo, setPlayListInfo]
   );
 
   useEffect(() => {
@@ -1031,6 +1031,8 @@ const PlayerPanel = ({
   }, [playListInfo, selectedIndex]);
 
   const handleIndicatorDownClick = useCallback(() => {
+    if (!playListInfo[selectedIndex + 1].showId) return;
+
     if (playListInfo.length - 1 === selectedIndex) {
       return setSelectedIndex(0);
     }
@@ -1050,6 +1052,7 @@ const PlayerPanel = ({
   }, [dispatch, playListInfo, selectedIndex]);
 
   const handleIndicatorUpClick = useCallback(() => {
+    if (!playListInfo[selectedIndex - 1].showId) return;
     if (selectedIndex === 0) {
       setSelectedIndex(playListInfo.length - 1);
     }