diff --git a/lib/common/widgets/network_img_layer.dart b/lib/common/widgets/network_img_layer.dart
index 0a575b63..f5794d9c 100644
--- a/lib/common/widgets/network_img_layer.dart
+++ b/lib/common/widgets/network_img_layer.dart
@@ -40,7 +40,7 @@ class NetworkImgLayer extends StatelessWidget {
   Widget build(BuildContext context) {
     final int defaultImgQuality = GlobalData().imgQuality;
     final String imageUrl =
-        '${src!.startsWith('//') ? 'https:${src!}' : src!}@${quality ?? defaultImgQuality}q.webp';
+        '${src?.startsWith('//') == true ? 'https:$src' : src}@${quality ?? defaultImgQuality}q.webp';
     int? memCacheWidth, memCacheHeight;
 
     if (width > height || (origAspectRatio != null && origAspectRatio! > 1)) {
@@ -66,7 +66,8 @@ class NetworkImgLayer extends StatelessWidget {
             child: CachedNetworkImage(
               imageUrl: imageUrl,
               width: width,
-              height: ignoreHeight == null || ignoreHeight == false? height:null,
+              height:
+                  ignoreHeight == null || ignoreHeight == false ? height : null,
               memCacheWidth: memCacheWidth,
               memCacheHeight: memCacheHeight,
               fit: BoxFit.cover,
diff --git a/lib/http/video.dart b/lib/http/video.dart
index 7fab7992..d7f72c16 100644
--- a/lib/http/video.dart
+++ b/lib/http/video.dart
@@ -245,7 +245,11 @@ class VideoHttp {
     var res = await Request().get(Api.videoIntro, data: {'bvid': bvid});
     VideoDetailResponse result = VideoDetailResponse.fromJson(res.data);
     if (result.code == 0) {
-      return {'status': true, 'data': result.data!};
+      return {
+        'status': true,
+        'data': result.data!,
+        'pic': result.data?.pic ?? '',
+      };
     } else {
       // Map errMap = {
       //   -400: '请求错误',
diff --git a/lib/pages/video/detail/controller.dart b/lib/pages/video/detail/controller.dart
index 5ac70c92..73bfdc09 100644
--- a/lib/pages/video/detail/controller.dart
+++ b/lib/pages/video/detail/controller.dart
@@ -30,7 +30,7 @@ class VideoDetailController extends GetxController
   RxInt danmakuCid = 0.obs;
   String heroTag = Get.arguments['heroTag'];
   // 视频详情
-  Map videoItem = {};
+  RxMap videoItem = {}.obs;
   // 视频类型 默认投稿视频
   SearchType videoType = Get.arguments['videoType'] ?? SearchType.video;
 
diff --git a/lib/pages/video/detail/introduction/controller.dart b/lib/pages/video/detail/introduction/controller.dart
index f08c44f8..ff9affb7 100644
--- a/lib/pages/video/detail/introduction/controller.dart
+++ b/lib/pages/video/detail/introduction/controller.dart
@@ -114,11 +114,15 @@ class VideoIntroController extends GetxController {
     queryVideoIntro();
   }
 
+  late final videoDetailController =
+      Get.find<VideoDetailController>(tag: heroTag);
+
   // 获取视频简介&分p
   void queryVideoIntro() async {
     var result = await VideoHttp.videoIntro(bvid: bvid);
     if (result['status']) {
       videoDetail.value = result['data']!;
+      videoDetailController.videoItem['pic'] = result['pic']!;
       if (videoDetail.value.pages != null &&
           videoDetail.value.pages!.isNotEmpty &&
           lastPlayCid.value == 0) {
diff --git a/lib/pages/video/detail/reply/controller.dart b/lib/pages/video/detail/reply/controller.dart
index 43077cf0..a9faf6ae 100644
--- a/lib/pages/video/detail/reply/controller.dart
+++ b/lib/pages/video/detail/reply/controller.dart
@@ -130,4 +130,10 @@ class VideoReplyController extends GetxController {
   void animToTop() {
     scrollController.animToTop();
   }
+
+  @override
+  void onClose() {
+    scrollController.dispose();
+    super.onClose();
+  }
 }
diff --git a/lib/pages/video/detail/view.dart b/lib/pages/video/detail/view.dart
index d9480dce..b24c7894 100644
--- a/lib/pages/video/detail/view.dart
+++ b/lib/pages/video/detail/view.dart
@@ -677,12 +677,14 @@ class _VideoDetailPageState extends State<VideoDetailPage>
                                         right: 0,
                                         child: GestureDetector(
                                           onTap: handlePlay,
-                                          child: NetworkImgLayer(
-                                            type: 'emote',
-                                            src: videoDetailController
-                                                .videoItem['pic'],
-                                            width: videoWidth,
-                                            height: videoHeight,
+                                          child: Obx(
+                                            () => NetworkImgLayer(
+                                              type: 'emote',
+                                              src: videoDetailController
+                                                  .videoItem['pic'],
+                                              width: videoWidth,
+                                              height: videoHeight,
+                                            ),
                                           ),
                                         ),
                                       ),
@@ -798,11 +800,13 @@ class _VideoDetailPageState extends State<VideoDetailPage>
                         right: 0,
                         child: GestureDetector(
                           onTap: handlePlay,
-                          child: NetworkImgLayer(
-                            type: 'emote',
-                            src: videoDetailController.videoItem['pic'],
-                            width: videoWidth,
-                            height: videoHeight,
+                          child: Obx(
+                            () => NetworkImgLayer(
+                              type: 'emote',
+                              src: videoDetailController.videoItem['pic'],
+                              width: videoWidth,
+                              height: videoHeight,
+                            ),
                           ),
                         ),
                       ),
@@ -897,11 +901,13 @@ class _VideoDetailPageState extends State<VideoDetailPage>
                         right: 0,
                         child: GestureDetector(
                           onTap: handlePlay,
-                          child: NetworkImgLayer(
-                            type: 'emote',
-                            src: videoDetailController.videoItem['pic'],
-                            width: videoWidth,
-                            height: videoHeight,
+                          child: Obx(
+                            () => NetworkImgLayer(
+                              type: 'emote',
+                              src: videoDetailController.videoItem['pic'],
+                              width: videoWidth,
+                              height: videoHeight,
+                            ),
                           ),
                         ),
                       ),
@@ -993,11 +999,13 @@ class _VideoDetailPageState extends State<VideoDetailPage>
                             right: 0,
                             child: GestureDetector(
                               onTap: handlePlay,
-                              child: NetworkImgLayer(
-                                type: 'emote',
-                                src: videoDetailController.videoItem['pic'],
-                                width: videoWidth,
-                                height: videoHeight,
+                              child: Obx(
+                                () => NetworkImgLayer(
+                                  type: 'emote',
+                                  src: videoDetailController.videoItem['pic'],
+                                  width: videoWidth,
+                                  height: videoHeight,
+                                ),
                               ),
                             ),
                           ),
@@ -1097,12 +1105,14 @@ class _VideoDetailPageState extends State<VideoDetailPage>
                                   right: 0,
                                   child: GestureDetector(
                                     onTap: handlePlay,
-                                    child: NetworkImgLayer(
-                                      type: 'emote',
-                                      src: videoDetailController
-                                          .videoItem['pic'],
-                                      width: videoWidth,
-                                      height: videoHeight,
+                                    child: Obx(
+                                      () => NetworkImgLayer(
+                                        type: 'emote',
+                                        src: videoDetailController
+                                            .videoItem['pic'],
+                                        width: videoWidth,
+                                        height: videoHeight,
+                                      ),
                                     ),
                                   ),
                                 ),