diff --git a/apps/lib/features/auth/ui/screens/login_screen.dart b/apps/lib/features/auth/ui/screens/login_screen.dart
index 77cd2b8..584e4d9 100644
--- a/apps/lib/features/auth/ui/screens/login_screen.dart
+++ b/apps/lib/features/auth/ui/screens/login_screen.dart
@@ -4,6 +4,7 @@ import 'package:formz/formz.dart';
 import 'package:go_router/go_router.dart';
 
 import '../../../../core/di/injection.dart';
+import '../../../../core/router/app_routes.dart';
 import '../../../../core/theme/design_tokens.dart';
 import '../../../../shared/widgets/app_button.dart';
 import '../../../../shared/widgets/banner/app_banner.dart';
@@ -59,7 +60,7 @@ class _LoginViewState extends State<LoginView> {
     final response = await cubit.submit();
     if (response != null && mounted) {
       context.read<AuthBloc>().add(AuthLoggedIn(user: response.user));
-      context.go('/home');
+      context.go(AppRoutes.homeMain);
     }
   }
 
diff --git a/apps/lib/features/auth/ui/screens/register_verification_screen.dart b/apps/lib/features/auth/ui/screens/register_verification_screen.dart
index 0034668..e2c5a8b 100644
--- a/apps/lib/features/auth/ui/screens/register_verification_screen.dart
+++ b/apps/lib/features/auth/ui/screens/register_verification_screen.dart
@@ -5,6 +5,7 @@ import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:formz/formz.dart';
 import 'package:go_router/go_router.dart';
 
+import '../../../../core/router/app_routes.dart';
 import '../../../../core/theme/design_tokens.dart';
 import '../../../../shared/widgets/app_button.dart';
 import '../../../../shared/widgets/banner/app_banner.dart';
@@ -93,7 +94,7 @@ class _RegisterVerificationViewState extends State<RegisterVerificationView> {
     final response = await cubit.submitStep2();
     if (response != null && mounted) {
       context.read<AuthBloc>().add(AuthLoggedIn(user: response.user));
-      context.go('/home');
+      context.go(AppRoutes.homeMain);
     }
   }
 
diff --git a/apps/lib/features/messages/ui/screens/message_invite_detail_screen.dart b/apps/lib/features/messages/ui/screens/message_invite_detail_screen.dart
index 15fde8c..ff603a5 100644
--- a/apps/lib/features/messages/ui/screens/message_invite_detail_screen.dart
+++ b/apps/lib/features/messages/ui/screens/message_invite_detail_screen.dart
@@ -1,10 +1,20 @@
 import 'package:flutter/material.dart' hide BackButton;
 import 'package:go_router/go_router.dart';
+
+import '../../../../core/di/injection.dart';
 import '../../../../core/theme/design_tokens.dart';
+import '../../../../shared/widgets/app_loading_indicator.dart';
 import '../../../../shared/widgets/page_header.dart';
+import '../../../../shared/widgets/toast/toast.dart';
+import '../../../../shared/widgets/toast/toast_type.dart';
+import '../../../calendar/data/calendar_api.dart';
+import '../../../users/data/users_api.dart';
+import '../../data/inbox_api.dart';
 
 class MessageInviteDetailScreen extends StatefulWidget {
-  const MessageInviteDetailScreen({super.key});
+  final String inviteId;
+
+  const MessageInviteDetailScreen({super.key, required this.inviteId});
 
   @override
   State<MessageInviteDetailScreen> createState() =>
@@ -12,16 +22,155 @@ class MessageInviteDetailScreen extends StatefulWidget {
 }
 
 class _MessageInviteDetailScreenState extends State<MessageInviteDetailScreen> {
-  final _reasonController = TextEditingController();
+  late final InboxApi _inboxApi;
+  late final CalendarApi _calendarApi;
+  late final UsersApi _usersApi;
+
+  InboxMessageResponse? _message;
+  String? _calendarTitle;
+  String? _senderName;
+  bool _loading = true;
+  bool _submitting = false;
+  String? _error;
+
+  bool get _isPending => _message?.status == InboxMessageStatus.pending;
 
   @override
-  void dispose() {
-    _reasonController.dispose();
-    super.dispose();
+  void initState() {
+    super.initState();
+    _inboxApi = sl<InboxApi>();
+    _calendarApi = sl<CalendarApi>();
+    _usersApi = sl<UsersApi>();
+    _loadDetail();
+  }
+
+  Future<void> _loadDetail() async {
+    setState(() {
+      _loading = true;
+      _error = null;
+    });
+
+    try {
+      final results = await Future.wait([
+        _inboxApi.getMessages(isRead: false),
+        _inboxApi.getMessages(isRead: true),
+      ]);
+      final messages = [...results[0], ...results[1]];
+      InboxMessageResponse? message;
+      for (final item in messages) {
+        if (item.id == widget.inviteId) {
+          message = item;
+          break;
+        }
+      }
+      if (message == null) {
+        throw StateError('邀请不存在或已失效');
+      }
+
+      String? calendarTitle;
+      if (message.scheduleItemId != null) {
+        try {
+          final event = await _calendarApi.getById(message.scheduleItemId!);
+          calendarTitle = event.title;
+        } catch (_) {
+          calendarTitle = null;
+        }
+      }
+
+      String? senderName;
+      if (message.senderId != null) {
+        try {
+          final sender = await _usersApi.getById(message.senderId!);
+          senderName = sender.username;
+        } catch (_) {
+          senderName = null;
+        }
+      }
+
+      if (!mounted) {
+        return;
+      }
+      setState(() {
+        _message = message;
+        _calendarTitle = calendarTitle;
+        _senderName = senderName;
+        _loading = false;
+      });
+    } catch (e) {
+      if (!mounted) {
+        return;
+      }
+      setState(() {
+        _error = e.toString().replaceFirst('Bad state: ', '');
+        _loading = false;
+      });
+    }
+  }
+
+  Future<void> _acceptInvite() async {
+    final message = _message;
+    final itemId = message?.scheduleItemId;
+    if (message == null || itemId == null || _submitting) {
+      return;
+    }
+
+    setState(() => _submitting = true);
+    try {
+      await _calendarApi.acceptSubscription(itemId);
+      await _inboxApi.markAsRead(message.id);
+      if (!mounted) {
+        return;
+      }
+      Toast.show(context, '已接受邀请', type: ToastType.success);
+      await _loadDetail();
+    } catch (_) {
+      if (!mounted) {
+        return;
+      }
+      Toast.show(context, '操作失败，请稍后重试', type: ToastType.error);
+    } finally {
+      if (mounted) {
+        setState(() => _submitting = false);
+      }
+    }
+  }
+
+  Future<void> _rejectInvite() async {
+    final message = _message;
+    final itemId = message?.scheduleItemId;
+    if (message == null || itemId == null || _submitting) {
+      return;
+    }
+
+    setState(() => _submitting = true);
+    try {
+      await _calendarApi.rejectSubscription(itemId);
+      await _inboxApi.markAsRead(message.id);
+      if (!mounted) {
+        return;
+      }
+      Toast.show(context, '已拒绝邀请', type: ToastType.success);
+      await _loadDetail();
+    } catch (_) {
+      if (!mounted) {
+        return;
+      }
+      Toast.show(context, '操作失败，请稍后重试', type: ToastType.error);
+    } finally {
+      if (mounted) {
+        setState(() => _submitting = false);
+      }
+    }
   }
 
   @override
   Widget build(BuildContext context) {
+    if (_loading) {
+      return const Scaffold(
+        body: SafeArea(child: Center(child: AppLoadingIndicator(size: 22))),
+      );
+    }
+
     return Scaffold(
       backgroundColor: AppColors.messageBg,
       body: SafeArea(
@@ -40,8 +189,16 @@ class _MessageInviteDetailScreenState extends State<MessageInviteDetailScreen> {
                     _buildCalendarTip(),
                     const SizedBox(height: 14),
                     _buildActionRow(),
-                    const SizedBox(height: 14),
-                    _buildRejectReasonCard(),
+                    if (_error != null) ...[
+                      const SizedBox(height: 14),
+                      Text(
+                        _error!,
+                        style: const TextStyle(
+                          fontSize: 12,
+                          color: AppColors.feedbackErrorText,
+                        ),
+                      ),
+                    ],
                   ],
                 ),
               ),
@@ -53,6 +210,21 @@ class _MessageInviteDetailScreenState extends State<MessageInviteDetailScreen> {
   }
 
   Widget _buildSummaryCard() {
+    final message = _message;
+    final statusText = message == null
+        ? '未知'
+        : switch (message.status) {
+            InboxMessageStatus.pending => '待处理',
+            InboxMessageStatus.accepted => '已接受',
+            InboxMessageStatus.rejected => '已拒绝',
+            InboxMessageStatus.dismissed => '已处理',
+          };
+
+    final createdAt = message?.createdAt;
+    final createdAtText = createdAt == null
+        ? '未知'
+        : '${createdAt.year}-${createdAt.month.toString().padLeft(2, '0')}-${createdAt.day.toString().padLeft(2, '0')} ${createdAt.hour.toString().padLeft(2, '0')}:${createdAt.minute.toString().padLeft(2, '0')}';
+
     return Container(
       width: double.infinity,
       padding: const EdgeInsets.all(14),
@@ -63,8 +235,8 @@ class _MessageInviteDetailScreenState extends State<MessageInviteDetailScreen> {
       ),
       child: Column(
         crossAxisAlignment: CrossAxisAlignment.start,
-        children: const [
-          Text(
+        children: [
+          const Text(
             '日历邀请详情',
             style: TextStyle(
               fontSize: 16,
@@ -72,46 +244,46 @@ class _MessageInviteDetailScreenState extends State<MessageInviteDetailScreen> {
               color: AppColors.slate900,
             ),
           ),
-          SizedBox(height: 10),
+          const SizedBox(height: 10),
           Text(
-            '事件：产品评审会',
-            style: TextStyle(
+            '事件：${_calendarTitle ?? '未命名日程'}',
+            style: const TextStyle(
               fontSize: 14,
               fontWeight: FontWeight.w500,
               color: AppColors.slate700,
             ),
           ),
-          SizedBox(height: 10),
+          const SizedBox(height: 10),
           Text(
-            '邀请人：李文浩（产品经理）',
-            style: TextStyle(
+            '邀请人：${_senderName ?? '未知用户'}',
+            style: const TextStyle(
               fontSize: 13,
               fontWeight: FontWeight.normal,
               color: AppColors.slate500,
             ),
           ),
-          SizedBox(height: 10),
+          const SizedBox(height: 10),
           Text(
-            '时间：2026-02-12 14:00 - 15:30',
-            style: TextStyle(
+            '消息时间：$createdAtText',
+            style: const TextStyle(
               fontSize: 13,
               fontWeight: FontWeight.normal,
               color: AppColors.slate500,
             ),
           ),
-          SizedBox(height: 10),
+          const SizedBox(height: 10),
           Text(
-            '地点：3F-A 会议室 / 腾讯会议 231-889-100',
-            style: TextStyle(
+            '状态：$statusText',
+            style: const TextStyle(
               fontSize: 13,
               fontWeight: FontWeight.normal,
               color: AppColors.slate500,
             ),
           ),
-          SizedBox(height: 10),
+          const SizedBox(height: 10),
           Text(
-            '备注：请提前准备本周版本风险与排期结论。',
-            style: TextStyle(
+            '邀请ID：${widget.inviteId}',
+            style: const TextStyle(
               fontSize: 13,
               fontWeight: FontWeight.normal,
               color: AppColors.slate500,
@@ -131,13 +303,13 @@ class _MessageInviteDetailScreenState extends State<MessageInviteDetailScreen> {
         borderRadius: BorderRadius.circular(12),
         border: Border.all(color: AppColors.messageTipBorder),
       ),
-      child: Row(
-        children: const [
+      child: const Row(
+        children: [
           Icon(Icons.info_outline, size: 14, color: AppColors.slate500),
           SizedBox(width: 8),
           Expanded(
             child: Text(
-              '更多附件与相关链接，请在订阅后在日历中查看',
+              '同意后将加入该日历事件，拒绝后该邀请会被标记为已处理',
               style: TextStyle(
                 fontSize: 12,
                 fontWeight: FontWeight.normal,
@@ -151,22 +323,43 @@ class _MessageInviteDetailScreenState extends State<MessageInviteDetailScreen> {
   }
 
   Widget _buildActionRow() {
+    if (!_isPending) {
+      return Container(
+        width: double.infinity,
+        padding: const EdgeInsets.symmetric(vertical: 10, horizontal: 12),
+        decoration: BoxDecoration(
+          color: AppColors.messageCardBg,
+          borderRadius: BorderRadius.circular(12),
+          border: Border.all(color: AppColors.messageCardBorder),
+        ),
+        child: const Text(
+          '该邀请已处理，无需重复操作',
+          style: TextStyle(
+            fontSize: 13,
+            fontWeight: FontWeight.w500,
+            color: AppColors.slate600,
+          ),
+          textAlign: TextAlign.center,
+        ),
+      );
+    }
+
     return SizedBox(
       height: 46,
       child: Row(
         children: [
           Expanded(
             child: GestureDetector(
-              onTap: _handleReject,
+              onTap: _submitting ? null : _rejectInvite,
               child: Container(
                 decoration: BoxDecoration(
                   color: AppColors.messageCardBg,
                   borderRadius: BorderRadius.circular(12),
                   border: Border.all(color: AppColors.messageRejectBorder),
                 ),
-                child: Row(
+                child: const Row(
                   mainAxisAlignment: MainAxisAlignment.center,
-                  children: const [
+                  children: [
                     Text(
                       '×',
                       style: TextStyle(
@@ -192,16 +385,16 @@ class _MessageInviteDetailScreenState extends State<MessageInviteDetailScreen> {
           const SizedBox(width: 10),
           Expanded(
             child: GestureDetector(
-              onTap: _handleAccept,
+              onTap: _submitting ? null : _acceptInvite,
               child: Container(
                 decoration: BoxDecoration(
                   color: AppColors.messageTagBg,
                   borderRadius: BorderRadius.circular(12),
                   border: Border.all(color: AppColors.messageAcceptBorder),
                 ),
-                child: Row(
+                child: const Row(
                   mainAxisAlignment: MainAxisAlignment.center,
-                  children: const [
+                  children: [
                     Text(
                       '√',
                       style: TextStyle(
@@ -228,66 +421,4 @@ class _MessageInviteDetailScreenState extends State<MessageInviteDetailScreen> {
       ),
     );
   }
-
-  Widget _buildRejectReasonCard() {
-    return Container(
-      width: double.infinity,
-      padding: const EdgeInsets.all(12),
-      decoration: BoxDecoration(
-        color: AppColors.messageCardBg,
-        borderRadius: BorderRadius.circular(14),
-        border: Border.all(color: AppColors.messageReasonBorder),
-      ),
-      child: Column(
-        crossAxisAlignment: CrossAxisAlignment.start,
-        children: [
-          const Text(
-            '拒绝补充信息（可选）',
-            style: TextStyle(
-              fontSize: 13,
-              fontWeight: FontWeight.w600,
-              color: AppColors.slate600,
-            ),
-          ),
-          const SizedBox(height: 8),
-          Container(
-            height: 92,
-            padding: const EdgeInsets.all(10),
-            decoration: BoxDecoration(
-              color: AppColors.messageBtnWrap,
-              borderRadius: BorderRadius.circular(10),
-              border: Border.all(color: AppColors.messageInputBorder),
-            ),
-            child: TextField(
-              controller: _reasonController,
-              maxLines: null,
-              expands: true,
-              style: const TextStyle(fontSize: 12, color: AppColors.slate700),
-              decoration: const InputDecoration(
-                border: InputBorder.none,
-                hintText: '可填写拒绝原因，例如：该时间段已有客户会议，无法参加。',
-                hintStyle: TextStyle(
-                  fontSize: 12,
-                  fontWeight: FontWeight.normal,
-                  color: AppColors.messagePlaceholder,
-                ),
-                contentPadding: EdgeInsets.zero,
-              ),
-            ),
-          ),
-        ],
-      ),
-    );
-  }
-
-  void _handleReject() {
-    final reason = _reasonController.text;
-    debugPrint('Reject with reason: $reason');
-    context.pop();
-  }
-
-  void _handleAccept() {
-    debugPrint('Accept invitation');
-    context.pop();
-  }
 }
diff --git a/apps/lib/features/messages/ui/screens/message_invite_list_screen.dart b/apps/lib/features/messages/ui/screens/message_invite_list_screen.dart
index 213b6bd..ed5b449 100644
--- a/apps/lib/features/messages/ui/screens/message_invite_list_screen.dart
+++ b/apps/lib/features/messages/ui/screens/message_invite_list_screen.dart
@@ -2,17 +2,14 @@ import 'package:flutter/material.dart' hide BackButton;
 import 'package:go_router/go_router.dart';
 
 import '../../../../core/di/injection.dart';
+import '../../../../core/router/app_routes.dart';
 import '../../../../core/theme/design_tokens.dart';
 import '../../../../shared/widgets/app_loading_indicator.dart';
 import '../../../../shared/widgets/app_pull_refresh_feedback.dart';
 import '../../../../shared/widgets/page_header.dart';
 import '../../../../shared/widgets/toast/toast.dart';
 import '../../../../shared/widgets/toast/toast_type.dart';
-import '../../../calendar/data/calendar_api.dart';
-import '../../../calendar/data/models/schedule_item_model.dart';
 import '../../../friends/data/friends_api.dart';
-import '../../../users/data/models/user_response.dart';
-import '../../../users/data/users_api.dart';
 import '../../data/inbox_api.dart';
 import '../../ui/widgets/message_action_sheet.dart';
 
@@ -34,8 +31,6 @@ class MessageInviteListScreen extends StatefulWidget {
 class _MessageInviteListScreenState extends State<MessageInviteListScreen> {
   late final InboxApi _inboxApi;
   late final FriendsApi _friendsApi;
-  late final CalendarApi _calendarApi;
-  late final UsersApi _usersApi;
 
   List<MessageWithFriend> _unreadMessages = [];
   List<MessageWithFriend> _readMessages = [];
@@ -48,8 +43,6 @@ class _MessageInviteListScreenState extends State<MessageInviteListScreen> {
     super.initState();
     _inboxApi = sl<InboxApi>();
     _friendsApi = sl<FriendsApi>();
-    _calendarApi = sl<CalendarApi>();
-    _usersApi = sl<UsersApi>();
     _loadMessages();
   }
 
@@ -144,14 +137,12 @@ class _MessageInviteListScreenState extends State<MessageInviteListScreen> {
 
         final type = content['type'] as String?;
         if (type == 'invite') {
-          if (message.status.value == 'pending') {
-            await _showCalendarInviteSheet(message);
-          } else {
-            await _showCalendarInviteReadOnlySheet(message);
-          }
+          context.push(AppRoutes.messageInviteDetail(message.id));
         } else if (type == 'update') {
           if (message.scheduleItemId != null) {
-            context.push('/calendar/events/${message.scheduleItemId}');
+            context.push(
+              AppRoutes.calendarEventDetail(message.scheduleItemId!),
+            );
           }
         }
         return;
@@ -172,103 +163,6 @@ class _MessageInviteListScreenState extends State<MessageInviteListScreen> {
     return content;
   }
 
-  Future<(String calendarTitle, String senderName)?> _getCalendarInviteInfo(
-    InboxMessageResponse message,
-  ) async {
-    if (message.scheduleItemId == null || message.senderId == null) {
-      return null;
-    }
-    try {
-      final result = await Future.wait([
-        _calendarApi.getById(message.scheduleItemId!),
-        _usersApi.getById(message.senderId!),
-      ]);
-      final calendar = result[0] as ScheduleItemModel;
-      final sender = result[1] as UserResponse;
-      return (calendar.title, sender.username);
-    } catch (e) {
-      return null;
-    }
-  }
-
-  Future<void> _showCalendarInviteSheet(InboxMessageResponse message) async {
-    final itemId = message.scheduleItemId;
-    if (itemId == null) return;
-
-    final info = await _getCalendarInviteInfo(message);
-    final title = info != null ? '${info.$2} 邀请你加入日历' : '日历邀请';
-    final description = info?.$1;
-
-    if (!mounted) return;
-
-    showModalBottomSheet<void>(
-      context: context,
-      backgroundColor: Colors.transparent,
-      builder: (ctx) => MessageActionSheet(
-        title: title,
-        description: description,
-        icon: Icons.calendar_today,
-        iconColor: AppColors.blue500,
-        onAccept: () async {
-          try {
-            await _calendarApi.acceptSubscription(itemId);
-            await _inboxApi.markAsRead(message.id);
-            if (mounted) {
-              Toast.show(context, '已接受', type: ToastType.success);
-              _loadMessages();
-            }
-          } catch (e) {
-            if (mounted) {
-              Toast.show(context, '操作失败', type: ToastType.error);
-            }
-          }
-        },
-        onDecline: () async {
-          try {
-            await _calendarApi.rejectSubscription(itemId);
-            await _inboxApi.markAsRead(message.id);
-            if (mounted) {
-              Toast.show(context, '已拒绝', type: ToastType.success);
-              _loadMessages();
-            }
-          } catch (e) {
-            if (mounted) {
-              Toast.show(context, '操作失败', type: ToastType.error);
-            }
-          }
-        },
-      ),
-    );
-  }
-
-  Future<void> _showCalendarInviteReadOnlySheet(
-    InboxMessageResponse message,
-  ) async {
-    final itemId = message.scheduleItemId;
-    if (itemId == null) return;
-
-    final info = await _getCalendarInviteInfo(message);
-    final title = info != null ? '${info.$2} 邀请你加入日历' : '日历邀请';
-    final description = info?.$1;
-
-    final statusText = message.status.value == 'accepted' ? '已接受' : '已拒绝';
-
-    if (!mounted) return;
-
-    showModalBottomSheet<void>(
-      context: context,
-      backgroundColor: Colors.transparent,
-      builder: (ctx) => MessageActionSheet(
-        title: title,
-        description: description,
-        statusText: statusText,
-        isReadOnly: true,
-        icon: Icons.calendar_today,
-        iconColor: AppColors.blue500,
-      ),
-    );
-  }
-
   void _showFriendRequestSheet(
     MessageWithFriend item, {
     bool isReadOnly = false,