fix: 首页tarbar指示器跳动

lib/pages/home/controller.dart

@@ -91,6 +91,7 @@ class HomeController extends GetxController with GetTickerProviderStateMixin {
       vsync: this,
     );
     // 监听 tabController 切换
+    if (enableGradientBg) {
       tabController.animation!.addListener(() {
         if (tabController.indexIsChanging) {
           if (initialIndex.value != tabController.index) {
@@ -105,6 +106,7 @@ class HomeController extends GetxController with GetTickerProviderStateMixin {
         }
       });
     }
+  }
 
   void searchDefault() async {
     var res = await Request().get(Api.searchDefault);