tweaks (#2032)

* fix: 1080p

* opt: import export

* opt: downloader

* opt: skeleton

* opt: parseColor

* tweak

* opt: sb seek

* opt: rxn

lib/pages/article/controller.dart

@@ -36,7 +36,7 @@ class ArticleController extends CommonDynController {
   final RxBool isLoaded = false.obs;
   DynamicItemModel? opusData; // 标题信息从summary获取, 动态没有favorite
   ArticleViewData? articleData;
-  final Rx<ModuleStatModel?> stats = Rx<ModuleStatModel?>(null);
+  final stats = Rxn<ModuleStatModel>();
 
   List<ArticleContentModel>? get opus =>
       opusData?.modules.moduleContent ?? articleData?.opus?.content;