diff --git a/CHANGELOG.md b/CHANGELOG.md
index bc4e08f..b8d4d1f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.0.35] - 2026-06-12
+
+### 改进
+- Debug 版本窗口标题增加 [DEBUG] 后缀，便于与正式安装版区分
+
 ## [1.0.34] - 2026-06-12
 
 ### 修复
diff --git a/client/lib/main.dart b/client/lib/main.dart
index 077ac52..09c4f66 100644
--- a/client/lib/main.dart
+++ b/client/lib/main.dart
@@ -1,5 +1,6 @@
 import 'dart:async';
 import 'dart:io';
+import 'package:flutter/foundation.dart' show kDebugMode;
 import 'package:flutter/material.dart';
 import 'package:flutter_localizations/flutter_localizations.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
@@ -107,7 +108,7 @@ class _JiuAppState extends ConsumerState<JiuApp> {
   Widget build(BuildContext context) {
     final router = ref.watch(appRouterProvider);
     return MaterialApp.router(
-      title: '岩美',
+      title: kDebugMode ? '岩美 [DEBUG]' : '岩美',
       theme: AppTheme.light(),
       routerConfig: router,
       debugShowCheckedModeBanner: false,