fix：currentEpisodeIndex null

lib/common/pages_bottom_sheet.dart

@@ -1,5 +1,4 @@
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
 import 'package:get/get.dart';
 import 'package:pilipala/common/constants.dart';
@@ -183,7 +182,7 @@ class _PagesBottomSheetState extends State<PagesBottomSheet>
             isFixedHeight: true,
           );
         } else {
-          _listObserverControllerList![widget.currentEpisodeIndex!]
+          _listObserverControllerList![widget.currentEpisodeIndex ?? 0]
               .initialIndexModel = ObserverIndexPositionModel(
             index: currentIndex,
             isFixedHeight: true,

lib/pages/video/detail/introduction/controller.dart

@@ -608,6 +608,7 @@ class VideoIntroController extends GetxController {
   // 播放器底栏 选集 回调
   void showEposideHandler() {
     late List episodes;
+    int currentEpisodeIndex = 0;
     VideoEpidoesType dataType = VideoEpidoesType.videoEpisode;
     if (videoDetail.value.ugcSeason != null) {
       dataType = VideoEpidoesType.videoEpisode;
@@ -616,6 +617,7 @@ class VideoIntroController extends GetxController {
         final List<EpisodeItem> episodesList = sections[i].episodes!;
         for (int j = 0; j < episodesList.length; j++) {
           if (episodesList[j].cid == lastPlayCid.value) {
+            currentEpisodeIndex = i;
             episodes = episodesList;
             continue;
           }
@@ -635,6 +637,7 @@ class VideoIntroController extends GetxController {
         sheetHeight: Get.size.height,
         isFullScreen: true,
         ugcSeason: ugcSeason,
+        currentEpisodeIndex: currentEpisodeIndex,
         changeFucCall: (item, index) {
           if (dataType == VideoEpidoesType.videoEpisode) {
             changeSeasonOrbangu(