diff --git a/lib/pages/dynamics/widgets/content_panel.dart b/lib/pages/dynamics/widgets/content_panel.dart
index a77fc99b..782a407e 100644
--- a/lib/pages/dynamics/widgets/content_panel.dart
+++ b/lib/pages/dynamics/widgets/content_panel.dart
@@ -59,40 +59,42 @@ class _ContentState extends State<Content> {
                   (pictureItem.height != null && pictureItem.width != null
                       ? pictureItem.height! / pictureItem.width!
                       : 1);
-              return GestureDetector(
-                onTap: () {
-                  showDialog(
-                    useSafeArea: false,
-                    context: context,
-                    builder: (context) {
-                      return ImagePreview(initialPage: 0, imgList: picList);
+              return Semantics(
+                  label: '图片1,共1张',
+                  child: GestureDetector(
+                    onTap: () {
+                      showDialog(
+                        useSafeArea: false,
+                        context: context,
+                        builder: (context) {
+                          return ImagePreview(initialPage: 0, imgList: picList);
+                        },
+                      );
                     },
-                  );
-                },
-                child: Container(
-                    padding: const EdgeInsets.only(top: 4),
-                    constraints: BoxConstraints(maxHeight: maxHeight),
-                    width: box.maxWidth / 2,
-                    height: height,
-                    child: Stack(
-                      children: [
-                        Positioned.fill(
-                          child: NetworkImgLayer(
-                            src: pictureItem.url,
-                            width: maxWidth / 2,
-                            height: height,
-                          ),
-                        ),
-                        height > Get.size.height * 0.9
-                            ? const PBadge(
-                                text: '长图',
-                                right: 8,
-                                bottom: 8,
-                              )
-                            : const SizedBox(),
-                      ],
-                    )),
-              );
+                    child: Container(
+                        padding: const EdgeInsets.only(top: 4),
+                        constraints: BoxConstraints(maxHeight: maxHeight),
+                        width: box.maxWidth / 2,
+                        height: height,
+                        child: Stack(
+                          children: [
+                            Positioned.fill(
+                              child: NetworkImgLayer(
+                                src: pictureItem.url,
+                                width: maxWidth / 2,
+                                height: height,
+                              ),
+                            ),
+                            height > Get.size.height * 0.9
+                                ? const PBadge(
+                                    text: '长图',
+                                    right: 8,
+                                    bottom: 8,
+                                  )
+                                : const SizedBox(),
+                          ],
+                        )),
+                  ));
             },
           ),
         ),
@@ -106,24 +108,26 @@ class _ContentState extends State<Content> {
           LayoutBuilder(
             builder: (context, BoxConstraints box) {
               double maxWidth = box.maxWidth.truncateToDouble();
-              return GestureDetector(
-                onTap: () {
-                  showDialog(
-                    useSafeArea: false,
-                    context: context,
-                    builder: (context) {
-                      return ImagePreview(initialPage: i, imgList: picList);
+              return Semantics(
+                  label: '图片${i + 1},共$len张',
+                  child: GestureDetector(
+                    onTap: () {
+                      showDialog(
+                        useSafeArea: false,
+                        context: context,
+                        builder: (context) {
+                          return ImagePreview(initialPage: i, imgList: picList);
+                        },
+                      );
                     },
-                  );
-                },
-                child: NetworkImgLayer(
-                  src: pics[i].url,
-                  width: maxWidth,
-                  height: maxWidth,
-                  origAspectRatio:
-                      pics[i].width!.toInt() / pics[i].height!.toInt(),
-                ),
-              );
+                    child: NetworkImgLayer(
+                      src: pics[i].url,
+                      width: maxWidth,
+                      height: maxWidth,
+                      origAspectRatio:
+                          pics[i].width!.toInt() / pics[i].height!.toInt(),
+                    ),
+                  ));
             },
           ),
         );
@@ -201,7 +205,7 @@ class _ContentState extends State<Content> {
           if (hasPics) ...[
             Text.rich(
               picsNodes(),
-              semanticsLabel: '动态图片',
+              // semanticsLabel: '动态图片',
             ),
           ]
         ],
diff --git a/lib/pages/preview/view.dart b/lib/pages/preview/view.dart
index 23bc8792..7b822e13 100644
--- a/lib/pages/preview/view.dart
+++ b/lib/pages/preview/view.dart
@@ -135,103 +135,107 @@ class _ImagePreviewState extends State<ImagePreview>
       ),
       body: Stack(
         children: [
-          GestureDetector(
-            onLongPress: () => onOpenMenu(),
-            child: ExtendedImageGesturePageView.builder(
-              controller: ExtendedPageController(
-                initialPage: _previewController.initialPage.value,
-                pageSpacing: 0,
-              ),
-              onPageChanged: (int index) => _previewController.onChange(index),
-              canScrollPage: (GestureDetails? gestureDetails) =>
-                  gestureDetails!.totalScale! <= 1.0,
-              itemCount: widget.imgList!.length,
-              itemBuilder: (BuildContext context, int index) {
-                return ExtendedImage.network(
-                  widget.imgList![index],
-                  fit: BoxFit.contain,
-                  mode: ExtendedImageMode.gesture,
-                  onDoubleTap: (ExtendedImageGestureState state) {
-                    final Offset? pointerDownPosition =
-                        state.pointerDownPosition;
-                    final double? begin = state.gestureDetails!.totalScale;
-                    double end;
+          Semantics(
+            label: '双指缩放、长按保存、左右滑动切换图片',
+            child: GestureDetector(
+              onLongPress: () => onOpenMenu(),
+              child: ExtendedImageGesturePageView.builder(
+                controller: ExtendedPageController(
+                  initialPage: _previewController.initialPage.value,
+                  pageSpacing: 0,
+                ),
+                onPageChanged: (int index) =>
+                    _previewController.onChange(index),
+                canScrollPage: (GestureDetails? gestureDetails) =>
+                    gestureDetails!.totalScale! <= 1.0,
+                itemCount: widget.imgList!.length,
+                itemBuilder: (BuildContext context, int index) {
+                  return ExtendedImage.network(
+                    widget.imgList![index],
+                    fit: BoxFit.contain,
+                    mode: ExtendedImageMode.gesture,
+                    onDoubleTap: (ExtendedImageGestureState state) {
+                      final Offset? pointerDownPosition =
+                          state.pointerDownPosition;
+                      final double? begin = state.gestureDetails!.totalScale;
+                      double end;
 
-                    //remove old
-                    _doubleClickAnimation
-                        ?.removeListener(_doubleClickAnimationListener);
+                      //remove old
+                      _doubleClickAnimation
+                          ?.removeListener(_doubleClickAnimationListener);
 
-                    //stop pre
-                    _doubleClickAnimationController.stop();
+                      //stop pre
+                      _doubleClickAnimationController.stop();
 
-                    //reset to use
-                    _doubleClickAnimationController.reset();
+                      //reset to use
+                      _doubleClickAnimationController.reset();
 
-                    if (begin == doubleTapScales[0]) {
-                      setState(() {
-                        _dismissDisabled = true;
-                      });
-                      end = doubleTapScales[1];
-                    } else {
-                      setState(() {
-                        _dismissDisabled = false;
-                      });
-                      end = doubleTapScales[0];
-                    }
+                      if (begin == doubleTapScales[0]) {
+                        setState(() {
+                          _dismissDisabled = true;
+                        });
+                        end = doubleTapScales[1];
+                      } else {
+                        setState(() {
+                          _dismissDisabled = false;
+                        });
+                        end = doubleTapScales[0];
+                      }
 
-                    _doubleClickAnimationListener = () {
-                      state.handleDoubleTap(
-                          scale: _doubleClickAnimation!.value,
-                          doubleTapPosition: pointerDownPosition);
-                    };
-                    _doubleClickAnimation = _doubleClickAnimationController
-                        .drive(Tween<double>(begin: begin, end: end));
+                      _doubleClickAnimationListener = () {
+                        state.handleDoubleTap(
+                            scale: _doubleClickAnimation!.value,
+                            doubleTapPosition: pointerDownPosition);
+                      };
+                      _doubleClickAnimation = _doubleClickAnimationController
+                          .drive(Tween<double>(begin: begin, end: end));
 
-                    _doubleClickAnimation!
-                        .addListener(_doubleClickAnimationListener);
+                      _doubleClickAnimation!
+                          .addListener(_doubleClickAnimationListener);
 
-                    _doubleClickAnimationController.forward();
-                  },
-                  // ignore: body_might_complete_normally_nullable
-                  loadStateChanged: (ExtendedImageState state) {
-                    if (state.extendedImageLoadState == LoadState.loading) {
-                      final ImageChunkEvent? loadingProgress =
-                          state.loadingProgress;
-                      final double? progress =
-                          loadingProgress?.expectedTotalBytes != null
-                              ? loadingProgress!.cumulativeBytesLoaded /
-                                  loadingProgress.expectedTotalBytes!
-                              : null;
-                      return Center(
-                        child: Column(
-                          mainAxisAlignment: MainAxisAlignment.center,
-                          crossAxisAlignment: CrossAxisAlignment.center,
-                          children: <Widget>[
-                            SizedBox(
-                              width: 150.0,
-                              child: LinearProgressIndicator(
-                                value: progress,
-                                color: Colors.white,
+                      _doubleClickAnimationController.forward();
+                    },
+                    // ignore: body_might_complete_normally_nullable
+                    loadStateChanged: (ExtendedImageState state) {
+                      if (state.extendedImageLoadState == LoadState.loading) {
+                        final ImageChunkEvent? loadingProgress =
+                            state.loadingProgress;
+                        final double? progress =
+                            loadingProgress?.expectedTotalBytes != null
+                                ? loadingProgress!.cumulativeBytesLoaded /
+                                    loadingProgress.expectedTotalBytes!
+                                : null;
+                        return Center(
+                          child: Column(
+                            mainAxisAlignment: MainAxisAlignment.center,
+                            crossAxisAlignment: CrossAxisAlignment.center,
+                            children: <Widget>[
+                              SizedBox(
+                                width: 150.0,
+                                child: LinearProgressIndicator(
+                                  value: progress,
+                                  color: Colors.white,
+                                ),
                               ),
-                            ),
-                            // const SizedBox(height: 10.0),
-                            // Text('${((progress ?? 0.0) * 100).toInt()}%',),
-                          ],
-                        ),
+                              // const SizedBox(height: 10.0),
+                              // Text('${((progress ?? 0.0) * 100).toInt()}%',),
+                            ],
+                          ),
+                        );
+                      }
+                    },
+                    initGestureConfigHandler: (ExtendedImageState state) {
+                      return GestureConfig(
+                        inPageView: true,
+                        initialScale: 1.0,
+                        maxScale: 5.0,
+                        animationMaxScale: 6.0,
+                        initialAlignment: InitialAlignment.center,
                       );
-                    }
-                  },
-                  initGestureConfigHandler: (ExtendedImageState state) {
-                    return GestureConfig(
-                      inPageView: true,
-                      initialScale: 1.0,
-                      maxScale: 5.0,
-                      animationMaxScale: 6.0,
-                      initialAlignment: InitialAlignment.center,
-                    );
-                  },
-                );
-              },
+                    },
+                  );
+                },
+              ),
             ),
           ),
           Positioned(