tweaks

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

lib/pages/fav/topic/controller.dart

@@ -39,7 +39,7 @@ class FavTopicController
       FavHttp.favTopic(page: page);
 
   Future<void> onRemove(int index, int id) async {
-    var res = await FavHttp.delFavTopic(id);
+    final res = await FavHttp.delFavTopic(id);
     if (res.isSuccess) {
       loadingState
         ..value.data!.removeAt(index)

lib/pages/fav/topic/view.dart

@@ -71,7 +71,7 @@ class _FavTopicPageState extends State<FavTopicPage>
           ),
         ),
       ),
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverGrid.builder(
                 gridDelegate: gridDelegate,
@@ -127,7 +127,7 @@ class _FavTopicPageState extends State<FavTopicPage>
                 itemCount: response.length,
               )
             : HttpError(onReload: _controller.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _controller.onReload,
       ),