fix #1343

Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>

lib/pages/video/reply/view.dart

@@ -10,6 +10,7 @@ import 'package:PiliPlus/pages/video/reply/widgets/reply_item_grpc.dart';
 import 'package:PiliPlus/pages/video/reply_reply/view.dart';
 import 'package:PiliPlus/utils/feed_back.dart';
 import 'package:easy_debounce/easy_throttle.dart';
+import 'package:extended_nested_scroll_view/extended_nested_scroll_view.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
 import 'package:get/get.dart';
@@ -92,7 +93,7 @@ class _VideoReplyPanelState extends State<VideoReplyPanel>
   Widget build(BuildContext context) {
     super.build(context);
     final theme = Theme.of(context);
-    return refreshIndicator(
+    final child = refreshIndicator(
       onRefresh: _videoReplyController.onRefresh,
       child: Stack(
         clipBehavior: Clip.none,
@@ -182,6 +183,13 @@ class _VideoReplyPanelState extends State<VideoReplyPanel>
         ],
       ),
     );
+    if (widget.isNested) {
+      return ExtendedVisibilityDetector(
+        uniqueKey: const Key('reply-list'),
+        child: child,
+      );
+    }
+    return child;
   }
 
   Widget _buildBody(

lib/pages/video/view.dart

@@ -946,7 +946,11 @@ class _VideoDetailPageVState extends State<VideoDetailPageV>
                     child: videoTabBarView(
                       controller: videoDetailController.tabCtr,
                       children: [
-                        videoIntro(isHorizontal: false, needCtr: false),
+                        videoIntro(
+                          isHorizontal: false,
+                          needCtr: false,
+                          isNested: true,
+                        ),
                         if (videoDetailController.showReply)
                           videoReplyPanel(isNested: true),
                         if (_shouldShowSeasonPanel) seasonPanel,
@@ -1815,10 +1819,12 @@ class _VideoDetailPageVState extends State<VideoDetailPageV>
     bool? isHorizontal,
     bool needRelated = true,
     bool needCtr = true,
+    bool isNested = false,
   }) {
     final bottom = MediaQuery.viewPaddingOf(context).bottom;
     Widget introPanel() => KeepAliveWrapper(
-      builder: (context) => CustomScrollView(
+      builder: (context) {
+        final child = CustomScrollView(
           controller: needCtr ? introScrollController : null,
           physics: !needCtr
               ? const AlwaysScrollableScrollPhysics(
@@ -1837,7 +1843,9 @@ class _VideoDetailPageVState extends State<VideoDetailPageV>
                 isHorizontal: isHorizontal ?? width! > height! * 1.25,
               ),
               if (needRelated &&
-                videoDetailController.plPlayerController.showRelatedVideo) ...[
+                  videoDetailController
+                      .plPlayerController
+                      .showRelatedVideo) ...[
                 SliverToBoxAdapter(
                   child: Padding(
                     padding: const EdgeInsets.only(top: StyleString.safeSpace),
@@ -1873,7 +1881,15 @@ class _VideoDetailPageVState extends State<VideoDetailPageV>
               ),
             ),
           ],
-      ),
+        );
+        if (isNested) {
+          return ExtendedVisibilityDetector(
+            uniqueKey: const Key('intro-panel'),
+            child: child,
+          );
+        }
+        return child;
+      },
     );
     if (videoDetailController.isPlayAll) {
       return Stack(