feat：初始化controller

lib/clx_flutter_message.dart

 import 'package:clx_flutter_message/util/string_util.dart';
 import 'package:clx_flutter_message/util/toast_util.dart';
 import 'package:flutter/material.dart';
+
 import 'clx_flutter_message_platform_interface.dart';
 import 'common/constant.dart';
 import 'core/api/message_net.dart';
@@ -11,6 +12,7 @@ import 'core/notice/notice_manager.dart';
 import 'core/notification/notification_layout/notification_layout_widget.dart';
 import 'core/notification/notification_manager.dart';
 import 'core/socket/socket_io.dart';
+
 export 'core/model/message_config.dart';
 export 'core/model/message_data.dart';
 export 'core/notice/notice_dialog_widget.dart';
@@ -126,6 +128,14 @@ abstract class BaseMessageConfig
     noticeDialogWidgetController = NoticeDialogWidgetController();
   }
 
+  NotificationLayoutController initNotificationLayoutController() {
+    return notificationLayoutController ?? NotificationLayoutController();
+  }
+
+  NoticeDialogWidgetController initNoticeDialogWidgetController() {
+    return noticeDialogWidgetController ?? NoticeDialogWidgetController();
+  }
+
   // 刷新消息、获取未处理消息，重新连接websocket
   Future<void> refreshMessage(BuildContext context) async {
     // 校验消息相关配置字段

lib/core/notice/notice_dialog_widget.dart

@@ -200,7 +200,7 @@ class NoticeDialogWidget extends GetView<NoticeDialogWidgetController> {
   @override
   Widget build(BuildContext context) {
     return GetBuilder<NoticeDialogWidgetController>(
-      init: messageConfig.messageManagement?.noticeDialogWidgetController,
+      init: messageConfig.messageManagement?.initNoticeDialogWidgetController(),
       id: "NoticeDialogWidget",
       builder: (_) {
         return _buildView();

lib/core/notification/notification_layout/notification_layout_widget.dart

@@ -13,7 +13,7 @@ class NotificationLayoutWidget extends GetView<NotificationLayoutController> {
   @override
   Widget build(BuildContext context) {
     return GetBuilder<NotificationLayoutController>(
-      init: messageConfig.messageManagement?.notificationLayoutController,
+      init: messageConfig.messageManagement?.initNotificationLayoutController(),
       id: "NotificationLayoutWidget",
       builder: (_) {
         if (controller.headNode == null) {