新增日志全局开关便于调试，优化部分机型可能出现的界面错乱或不显示等问题

(cherry picked from commit 5853ba7fe4e0cbe4f04b20c86e9fd84c5557139f)

lib/app/modules/kr_main/controllers/kr_main_controller.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/widgets.dart';
+import 'package:flutter/foundation.dart' show kDebugMode;
 import 'package:get/get.dart';
 import 'package:kaer_with_panels/app/modules/kr_home/views/kr_home_view.dart';
 import 'package:kaer_with_panels/app/modules/kr_invite/views/kr_invite_view.dart';
@@ -30,19 +31,33 @@ class KRMainController extends GetxController {
   static KRMainController get to => Get.find();
   DateTime? lastPopTime;
   var kr_currentIndex = 0.obs;
-  final List<Widget> widgets = [
-    KRKeepAliveWrapper(KRHomeView()),
-    KRKeepAliveWrapper(KRInviteView()),
-    KRKeepAliveWrapper(KRStatisticsView()),
-    KRKeepAliveWrapper(KRUserInfoView()),
-  ];
+
+  late final List<Widget> widgets;
 
   /// 分页控制器
   PageController pageController = PageController(keepPage: true);
+
   @override
   void onInit() {
     super.onInit();
 
+    // 🔧 诊断：在 onInit 中创建 widgets 列表
+    if (kDebugMode) {
+      print('🎬 KRMainController.onInit 被调用');
+      print('📝 开始创建 widgets 列表...');
+    }
+
+    widgets = [
+      KRKeepAliveWrapper(KRHomeView()),
+      KRKeepAliveWrapper(KRInviteView()),
+      KRKeepAliveWrapper(KRStatisticsView()),
+      KRKeepAliveWrapper(KRUserInfoView()),
+    ];
+
+    if (kDebugMode) {
+      print('✅ widgets 列表创建完成，包含 ${widgets.length} 个页面');
+    }
+
 
   
   }