diff --git a/lib/pages/feedback_page.dart b/lib/pages/feedback_page.dart
new file mode 100644
index 00000000..ea4888e6
--- /dev/null
+++ b/lib/pages/feedback_page.dart
@@ -0,0 +1,282 @@
+import 'dart:async';
+
+import 'package:flutter/material.dart';
+import 'package:image_picker/image_picker.dart';
+
+import '../services/feedback_service.dart';
+import '../utils/platform.dart';
+import '../widgets/adaptive_button.dart';
+import '../widgets/adaptive_page_navigation.dart';
+import '../widgets/app_shell/app_shell_metrics.dart';
+import '../widgets/blurred_app_bar.dart';
+import '../widgets/ios/ios_native_navigation_bar.dart';
+
+class FeedbackPage extends StatefulWidget {
+  const FeedbackPage({super.key, required this.service});
+  final FeedbackService service;
+
+  @override
+  State<FeedbackPage> createState() => _FeedbackPageState();
+}
+
+class _FeedbackPageState extends State<FeedbackPage> {
+  final _message = TextEditingController();
+  final _contact = TextEditingController();
+  final _images = <FeedbackImage>[];
+  bool _picking = false;
+  bool _includeUsername = false;
+  bool _includeEmail = false;
+  bool _busy = false;
+  bool _sent = false;
+  String? _error;
+
+  @override
+  void dispose() {
+    _message.dispose();
+    _contact.dispose();
+    super.dispose();
+  }
+
+  Future<void> _submit() async {
+    if (_busy || _picking || _sent) return;
+    FocusScope.of(context).unfocus();
+    setState(() {
+      _busy = true;
+      _error = null;
+    });
+    try {
+      await widget.service.submit(
+        _message.text,
+        includeUsername: _includeUsername,
+        includeEmail: _includeEmail,
+        contact: _contact.text,
+        images: _images,
+        onImageChanged: _refreshImages,
+      );
+      if (mounted) setState(() => _sent = true);
+    } catch (error) {
+      if (mounted) {
+        setState(() {
+          _error = error is TimeoutException
+              ? '未能确认送达，内容已保留，请稍后再试'
+              : error is Exception && error.toString().startsWith('Exception: ')
+                  ? error.toString().substring(11)
+                  : '反馈未发送成功，内容已保留';
+        });
+      }
+    } finally {
+      if (mounted) setState(() => _busy = false);
+    }
+  }
+
+  Future<void> _pickImages() async {
+    if (_picking || _busy || _images.length >= 9) return;
+    setState(() {
+      _picking = true;
+      _error = null;
+    });
+    try {
+      final files = await ImagePicker().pickMultiImage(
+        maxWidth: 1920,
+        maxHeight: 1920,
+        imageQuality: 85,
+        requestFullMetadata: false,
+      );
+      if (files.length > 9 - _images.length) throw Exception('最多添加 9 张图片');
+      final selected = <FeedbackImage>[];
+      for (final file in files) {
+        if (await file.length() > FeedbackService.imageLimit) throw Exception('每张图片请勿超过 4 MB');
+        final bytes = await file.readAsBytes();
+        try {
+          final decoded = await decodeImageFromList(bytes);
+          decoded.dispose();
+        } catch (_) {
+          throw Exception('图片无法读取，请换一张图片');
+        }
+        selected.add(FeedbackImage(bytes));
+      }
+      if (mounted) setState(() => _images.addAll(selected));
+    } catch (error) {
+      if (mounted) {
+        setState(
+          () => _error = error is Exception && error.toString().startsWith('Exception: ')
+              ? error.toString().substring(11)
+              : '未能添加图片，请重试',
+        );
+      }
+    } finally {
+      if (mounted) setState(() => _picking = false);
+    }
+  }
+
+  void _refreshImages() {
+    if (mounted) setState(() {});
+  }
+
+  Future<void> _retryImage(FeedbackImage image) async {
+    if (_busy || _picking) return;
+    setState(() {
+      _busy = true;
+      _error = null;
+    });
+    try {
+      await widget.service.uploadImage(image, onChanged: _refreshImages);
+    } catch (_) {
+      if (mounted) setState(() => _error = '图片上传失败，可重试或移除');
+    } finally {
+      if (mounted) setState(() => _busy = false);
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final useIosChrome = isIos();
+    final topInset = useIosChrome || usesLegacyIosChrome()
+        ? 0.0
+        : adaptiveTopBarHeight() + MediaQuery.viewPaddingOf(context).top;
+    return Scaffold(
+      extendBodyBehindAppBar: !useIosChrome && !usesLegacyIosChrome(),
+      appBar: useIosChrome
+          ? IosNativeNavigationBar(
+              title: '问题反馈 / 功能建议',
+              leadingItems: const [
+                IosNativeNavigationBarItem(
+                  id: 'back',
+                  title: 'Settings',
+                  sfSymbol: 'chevron.left',
+                  accessibilityLabel: '返回 Settings',
+                  placementGroup: 'leading-main',
+                ),
+              ],
+              onItemPressed: (_) => unawaited(maybePopAdaptivePage<void>(context)),
+            )
+          : const BlurredAppBar(title: Text('问题反馈 / 功能建议')),
+      body: ListView(
+        padding: EdgeInsets.fromLTRB(
+          20,
+          topInset + 20,
+          20,
+          AppShellMetrics.bottomContentPaddingOf(context) + 20,
+        ),
+        children: _sent
+            ? const [
+                SizedBox(height: 40),
+                Icon(Icons.check_circle_outline, size: 64),
+                SizedBox(height: 20),
+                Text('反馈已发送', textAlign: TextAlign.center),
+              ]
+            : [
+                TextField(
+                  controller: _message,
+                  enabled: !_busy,
+                  minLines: 6,
+                  maxLines: 12,
+                  maxLength: 2000,
+                  decoration: const InputDecoration(
+                    hintText: '描述问题或建议',
+                    border: OutlineInputBorder(),
+                  ),
+                ),
+                const SizedBox(height: 12),
+                if (_images.isNotEmpty)
+                  Wrap(
+                    spacing: 8,
+                    runSpacing: 8,
+                    children: [
+                      for (var i = 0; i < _images.length; i++)
+                        Stack(
+                          children: [
+                            Image.memory(
+                              _images[i].bytes,
+                              width: 88,
+                              height: 88,
+                              fit: BoxFit.cover,
+                            ),
+                            if (_images[i].uploading)
+                              const Positioned.fill(
+                                child: Center(child: CircularProgressIndicator()),
+                              ),
+                            if (_images[i].failed)
+                              Positioned(
+                                bottom: 0,
+                                left: 0,
+                                right: 0,
+                                child: FilledButton(
+                                  onPressed:
+                                      _busy ? null : () => unawaited(_retryImage(_images[i])),
+                                  child: const Text('重试'),
+                                ),
+                              )
+                            else if (_images[i].uploaded)
+                              const Positioned(
+                                bottom: 0,
+                                left: 0,
+                                child: Icon(Icons.check_circle, color: Colors.green),
+                              ),
+                            Positioned(
+                              top: 0,
+                              right: 0,
+                              child: IconButton.filledTonal(
+                                tooltip: '移除第 ${i + 1} 张图片',
+                                icon: const Icon(Icons.close, size: 18),
+                                onPressed: _busy || _picking
+                                    ? null
+                                    : () => setState(() => _images.removeAt(i)),
+                              ),
+                            ),
+                          ],
+                        ),
+                    ],
+                  ),
+                AdaptiveButton(
+                  label: '添加图片（${_images.length}/9）',
+                  icon: Icons.add_photo_alternate_outlined,
+                  sfSymbol: 'photo.badge.plus',
+                  loading: _picking,
+                  onPressed: _busy || _picking || _images.length >= 9
+                      ? null
+                      : () => unawaited(_pickImages()),
+                ),
+                CheckboxListTile(
+                  title: const Text('发送用户名'),
+                  value: _includeUsername,
+                  onChanged: _busy ? null : (value) => setState(() => _includeUsername = value!),
+                  controlAffinity: ListTileControlAffinity.leading,
+                  contentPadding: EdgeInsets.zero,
+                ),
+                CheckboxListTile(
+                  title: const Text('发送邮箱'),
+                  value: _includeEmail,
+                  onChanged: _busy ? null : (value) => setState(() => _includeEmail = value!),
+                  controlAffinity: ListTileControlAffinity.leading,
+                  contentPadding: EdgeInsets.zero,
+                ),
+                TextField(
+                  controller: _contact,
+                  enabled: !_busy,
+                  maxLength: 200,
+                  decoration: const InputDecoration(
+                    labelText: '补充联系方式（选填）',
+                    border: OutlineInputBorder(),
+                  ),
+                ),
+                const SizedBox(height: 12),
+                const Text('自动附带 App 版本和平台。'),
+                if (_error != null) ...[
+                  const SizedBox(height: 16),
+                  Text(_error!, style: TextStyle(color: Theme.of(context).colorScheme.error)),
+                ],
+                const SizedBox(height: 20),
+                AdaptiveButton(
+                  label: '提交反馈',
+                  icon: Icons.send_outlined,
+                  sfSymbol: 'paperplane',
+                  role: AdaptiveButtonRole.prominent,
+                  loading: _busy,
+                  onPressed: _busy || _picking ? null : () => unawaited(_submit()),
+                ),
+              ],
+      ),
+    );
+  }
+}
diff --git a/lib/pages/settings_page.dart b/lib/pages/settings_page.dart
index 599e8cd4..18a42df3 100644
--- a/lib/pages/settings_page.dart
+++ b/lib/pages/settings_page.dart
@@ -8,6 +8,8 @@ import 'package:package_info_plus/package_info_plus.dart';
 import 'package:techpie/services/auth_service.dart';
 import 'package:url_launcher/url_launcher.dart';
 
+import '../services/api_base_url.dart';
+import '../services/feedback_service.dart';
 import '../services/service_provider.dart';
 import '../services/sync_service.dart';
 import '../services/theme_service.dart';
@@ -32,6 +34,7 @@ import 'account_deletion_page.dart';
 import 'debug_log_page.dart';
 import 'debug_webview_page.dart';
 import 'developer_lab_page.dart';
+import 'feedback_page.dart';
 import 'sync_settings_page.dart';
 import 'third_party_accounts_page.dart';
 import 'watch_settings_page.dart';
@@ -331,6 +334,21 @@ class _SettingsPageState extends State<SettingsPage> {
             ),
             const Divider(),
 
+            ListTile(
+              leading: const Icon(Icons.feedback_outlined),
+              title: const Text('问题反馈 / 功能建议'),
+              trailing: const Icon(Icons.chevron_right),
+              onTap: () async {
+                if (!auth.isLoggedIn) await startUniAuthLogin(context);
+                if (!context.mounted || !auth.isLoggedIn) return;
+                await pushAdaptivePage<void>(
+                  context,
+                  builder: (_) => FeedbackPage(
+                    service: FeedbackService(auth, apiBaseUrl(sp.storageService)),
+                  ),
+                );
+              },
+            ),
             ListTile(
               leading: const Icon(Icons.privacy_tip_outlined),
               title: const Text('隐私政策与使用支持'),
diff --git a/lib/services/feedback_service.dart b/lib/services/feedback_service.dart
new file mode 100644
index 00000000..0ddd4963
--- /dev/null
+++ b/lib/services/feedback_service.dart
@@ -0,0 +1,126 @@
+import 'dart:convert';
+
+import 'package:flutter/foundation.dart';
+import 'package:http/http.dart' as http;
+import 'package:package_info_plus/package_info_plus.dart';
+
+import 'auth_service.dart';
+
+class FeedbackImage {
+  FeedbackImage(this.bytes);
+  final Uint8List bytes;
+  bool uploading = false;
+  bool failed = false;
+  String? _userId;
+  Map<String, dynamic>? _receipt;
+  bool get uploaded => _receipt != null;
+}
+
+class FeedbackService {
+  static const imageLimit = 4000000;
+  FeedbackService(this._auth, this._baseUrl);
+
+  final AuthService _auth;
+  final String _baseUrl;
+
+  Future<void> submit(
+    String message, {
+    bool includeUsername = false,
+    bool includeEmail = false,
+    String contact = '',
+    List<FeedbackImage> images = const [],
+    VoidCallback? onImageChanged,
+  }) async {
+    final text = message.trim();
+    if (text.isEmpty || text.length > 2000) {
+      throw Exception('请填写 1–2000 字的反馈内容');
+    }
+    if (contact.trim().length > 200) throw Exception('联系方式请勿超过 200 字');
+    if (images.length > 9) throw Exception('最多添加 9 张图片');
+    if (images.any((image) => image.bytes.isEmpty || image.bytes.length > imageLimit)) {
+      throw Exception('每张图片需在 4 MB 以内且不能为空');
+    }
+    final userId = _userId();
+    final info = await PackageInfo.fromPlatform();
+    for (final image in images) {
+      if (_auth.session?.userId != userId) throw Exception('登录已变化，请重新提交');
+      await uploadImage(image, onChanged: onImageChanged);
+    }
+    final token = await _token(userId);
+    // Feedback is user-authored private text; keep it out of diagnostic logs.
+    final response = await http
+        .post(
+          Uri.parse('$_baseUrl/feedback'),
+          headers: {
+            'Authorization': 'Bearer $token',
+            'Content-Type': 'application/json',
+          },
+          body: jsonEncode({
+            'message': text,
+            'version': '${info.version}+${info.buildNumber}',
+            'platform': kIsWeb ? 'web' : defaultTargetPlatform.name,
+            'includeUsername': includeUsername,
+            'includeEmail': includeEmail,
+            'contact': contact.trim(),
+            'images': images.map((image) => image._receipt).toList(),
+          }),
+        )
+        .timeout(const Duration(seconds: 25));
+    _result(response);
+  }
+
+  Future<void> uploadImage(FeedbackImage image, {VoidCallback? onChanged}) async {
+    final userId = _userId();
+    if (image._userId == userId && image.uploaded) return;
+    if (image.bytes.isEmpty || image.bytes.length > imageLimit) {
+      throw Exception('每张图片需在 4 MB 以内且不能为空');
+    }
+    image._receipt = null;
+    image.failed = false;
+    image.uploading = true;
+    onChanged?.call();
+    try {
+      final token = await _token(userId);
+      final request = http.MultipartRequest('POST', Uri.parse('$_baseUrl/feedback/images'))
+        ..headers['Authorization'] = 'Bearer $token'
+        ..files.add(http.MultipartFile.fromBytes('image', image.bytes, filename: 'feedback-image'));
+      final response =
+          await request.send().then(http.Response.fromStream).timeout(const Duration(seconds: 35));
+      final receipt = _result(response)['data'] as Map<String, dynamic>;
+      if (_auth.session?.userId != userId) throw Exception('登录已变化，请重新提交');
+      image._userId = userId;
+      image._receipt = receipt;
+    } catch (_) {
+      image.failed = true;
+      rethrow;
+    } finally {
+      image.uploading = false;
+      onChanged?.call();
+    }
+  }
+
+  String _userId() {
+    final userId = _auth.session?.userId;
+    if (userId == null || userId.isEmpty) throw Exception('请先登录 TechPie');
+    return userId;
+  }
+
+  Future<String> _token(String userId) async {
+    await _auth.tryRenewSession();
+    final session = _auth.session;
+    final token = session?.geekpieToken;
+    if (session?.userId != userId || token == null || token.isEmpty) {
+      throw Exception('登录已变化，请重新登录后提交');
+    }
+    return token;
+  }
+
+  Map<String, dynamic> _result(http.Response response) {
+    if (response.statusCode == 413) throw Exception('每张图片请勿超过 4 MB');
+    final body = jsonDecode(response.body) as Map<String, dynamic>;
+    if (response.statusCode != 200 || body['success'] != true) {
+      throw Exception(body['error'] as String? ?? '反馈未发送成功，请稍后再试');
+    }
+    return body;
+  }
+}
diff --git a/macos/Runner/DebugProfile.entitlements b/macos/Runner/DebugProfile.entitlements
index 8f2eb20e..17a3b37e 100644
--- a/macos/Runner/DebugProfile.entitlements
+++ b/macos/Runner/DebugProfile.entitlements
@@ -12,6 +12,8 @@
 	<true/>
 	<key>com.apple.security.network.client</key>
 	<true/>
+	<key>com.apple.security.files.user-selected.read-only</key>
+	<true/>
 	<key>keychain-access-groups</key>
 	<array>
 		<string>$(AppIdentifierPrefix)$(CFBundleIdentifier)</string>
diff --git a/macos/Runner/Release.entitlements b/macos/Runner/Release.entitlements
index a042f0a3..3ecf203f 100644
--- a/macos/Runner/Release.entitlements
+++ b/macos/Runner/Release.entitlements
@@ -8,6 +8,8 @@
 	<true/>
 	<key>com.apple.security.network.client</key>
 	<true/>
+	<key>com.apple.security.files.user-selected.read-only</key>
+	<true/>
 	<key>keychain-access-groups</key>
 	<array>
 		<string>$(AppIdentifierPrefix)$(CFBundleIdentifier)</string>