fix: anim to top

lib/pages/rank/zone/controller.dart

@@ -1,3 +1,4 @@
+import 'package:PiliPalaX/utils/extension.dart';
 import 'package:get/get.dart';
 import 'package:flutter/material.dart';
 import 'package:PiliPalaX/http/video.dart';
@@ -41,13 +42,7 @@ class ZoneController extends GetxController {
   }
 
   // 返回顶部并刷新
-  void animateToTop() async {
-    if (scrollController.offset >=
-        MediaQuery.of(Get.context!).size.height * 5) {
-      scrollController.jumpTo(0);
-    } else {
-      await scrollController.animateTo(0,
-          duration: const Duration(milliseconds: 500), curve: Curves.easeInOut);
-    }
+  void animateToTop() {
+    scrollController.animToTop();
   }
 }