fix: 更新诸多bug

lib/app/modules/kr_message/controllers/kr_message_controller.dart

@@ -21,6 +21,7 @@ class KRMessageController extends GetxController {
     controlFinishRefresh: true, // ⭐ 必须设置为 true
     controlFinishLoad: true,    // 加载更多通常也需要手动控制
   );
+  final ScrollController kr_scrollController = ScrollController();
 
   @override
   void onInit() {
@@ -86,6 +87,7 @@ class KRMessageController extends GetxController {
   @override
   void onClose() {
     refreshController.dispose();
+    kr_scrollController.dispose();
     super.onClose();
   }
 }

lib/app/modules/kr_message/views/kr_message_view.dart

@@ -26,11 +26,10 @@ class KRMessageView extends GetView<KRMessageController>
 
   @override
   Widget build(BuildContext context) {
-    final ScrollController scrollController = ScrollController();
 
     return HIBaseScaffold(
       child: Padding(
-        padding: const EdgeInsets.only(left: 20),
+        padding: const EdgeInsets.only(left: 0),
         child: Stack(
           children: [
             // 主要内容区域
@@ -80,9 +79,9 @@ class KRMessageView extends GetView<KRMessageController>
                         child: Padding(
                           padding: EdgeInsets.only(right: 0.w),
                           child: HiFixedScrollbar(
-                            controller: scrollController,
+                            controller: controller.kr_scrollController,
                             child: ListView.builder(
-                              controller: scrollController,
+                              controller: controller.kr_scrollController,
                               padding:
                                   EdgeInsets.only(left: 40.w, right: 40.w),
                               itemCount: controller.kr_messages.length,