diff --git a/android/app/src/main/AndroidManifest.xml b/android/app/src/main/AndroidManifest.xml
index 915595a3f..c2de8317d 100644
--- a/android/app/src/main/AndroidManifest.xml
+++ b/android/app/src/main/AndroidManifest.xml
@@ -109,6 +109,20 @@
                 <category android:name="android.intent.category.BROWSABLE"/>
                 <data android:scheme="voitrans"/>
             </intent-filter>
+
+            <!-- PayPal 网页回跳的深链：deepvoiceclient://paypal/return 与 /cancel -->
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW"/>
+                <category android:name="android.intent.category.DEFAULT"/>
+                <category android:name="android.intent.category.BROWSABLE"/>
+                <data android:scheme="deepvoiceclient" android:host="paypal" android:pathPrefix="/return" />
+            </intent-filter>
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW"/>
+                <category android:name="android.intent.category.DEFAULT"/>
+                <category android:name="android.intent.category.BROWSABLE"/>
+                <data android:scheme="deepvoiceclient" android:host="paypal" android:pathPrefix="/cancel" />
+            </intent-filter>
         </activity>
         <!-- Don't delete the meta-data below.
              This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->
diff --git a/ios/Runner/Info.plist b/ios/Runner/Info.plist
index 7720e0d46..c2c5f976b 100644
--- a/ios/Runner/Info.plist
+++ b/ios/Runner/Info.plist
@@ -54,6 +54,15 @@
 				<string>voitrans</string>
 			</array>
 		</dict>
+		<!-- PayPal 回跳的自定义 Scheme -->
+		<dict>
+			<key>CFBundleURLName</key>
+			<string>deepvoiceclient.payment</string>
+			<key>CFBundleURLSchemes</key>
+			<array>
+				<string>deepvoiceclient</string>
+			</array>
+		</dict>
 	</array>
 	<key>CFBundleVersion</key>
 	<string>$(FLUTTER_BUILD_NUMBER)</string>
diff --git a/lib/data/services/network/dio_manager.dart b/lib/data/services/network/dio_manager.dart
index 0496c11f9..e0141cc36 100644
--- a/lib/data/services/network/dio_manager.dart
+++ b/lib/data/services/network/dio_manager.dart
@@ -34,6 +34,16 @@ class DioManager {
     dio = Dio(options);
 
     dio.interceptors.add(AuthInterceptor());
+    // 调试：输出请求与响应的详细日志，便于排查服务端创建订单或查询订单问题
+    dio.interceptors.add(LogInterceptor(
+      request: true,
+      requestHeader: true,
+      requestBody: true,
+      responseHeader: false,
+      responseBody: true,
+      error: true,
+      logPrint: (obj) => print('[DIO] $obj'),
+    ));
   }
 
   // 请求，返回参数为 T
diff --git a/lib/data/services/pay_service.dart b/lib/data/services/pay_service.dart
index abda1ca0a..bbe89c42b 100644
--- a/lib/data/services/pay_service.dart
+++ b/lib/data/services/pay_service.dart
@@ -774,6 +774,9 @@ class PayService extends GetxService {
     String? extraData,
   }) async {
     try {
+      // 回跳地址：自定义 Scheme，分别用于支付完成与取消
+      const returnUrl = 'deepvoiceclient://paypal/return';
+      const cancelUrl = 'deepvoiceclient://paypal/cancel';
       final response = await Api.paycreateorder({
         'product_id': productId,
         'product_name': productName,
@@ -783,9 +786,13 @@ class PayService extends GetxService {
         'client_ip': clientIp ?? '',
         'notify_url': notifyUrl ?? '',
         'extra_data': extraData ?? '',
+        // 供后端设置 PayPal application_context 用于网页授权回跳
+        'return_url': returnUrl,
+        'cancel_url': cancelUrl,
       });
 
       if (response != null) {
+        print('创建 PayPal 订单响应: $response');
         // 1) 提取并缓存平台订单号（用于回查）
         String? appOrderId;
         const candidates = [
@@ -839,6 +846,8 @@ class PayService extends GetxService {
                         hrefRaw.isNotEmpty) {
                       // 清理日志中可能出现的反引号等噪音字符
                       final href = hrefRaw.replaceAll('`', '').trim();
+                      print(
+                          '解析到 PayPal 授权链接(links.approve): $href, appOrderId: $appOrderId');
                       return href;
                     }
                   }
@@ -862,6 +871,7 @@ class PayService extends GetxService {
         for (final key in urlKeys) {
           final url = response[key];
           if (url is String && url.isNotEmpty) {
+            print('解析到 PayPal 授权链接($key): $url, appOrderId: $appOrderId');
             return url;
           }
         }
@@ -869,6 +879,8 @@ class PayService extends GetxService {
           for (final key in urlKeys) {
             final url = data[key];
             if (url is String && url.isNotEmpty) {
+              print(
+                  '解析到 PayPal 授权链接(data.$key): $url, appOrderId: $appOrderId');
               return url;
             }
           }
@@ -890,6 +902,7 @@ class PayService extends GetxService {
     PaymentResultCallback? onResult,
   }) async {
     try {
+      print('准备打开 PayPal 授权页面: $approvalUrl');
       final uri = Uri.parse(approvalUrl);
       final ok = await launchUrl(uri, mode: LaunchMode.externalApplication);
       if (ok) {
diff --git a/lib/modules/goods/controllers/goods_base_controller.dart b/lib/modules/goods/controllers/goods_base_controller.dart
index 0ff6faf38..846b35dc6 100644
--- a/lib/modules/goods/controllers/goods_base_controller.dart
+++ b/lib/modules/goods/controllers/goods_base_controller.dart
@@ -9,6 +9,8 @@ import 'package:flutter_dotenv/flutter_dotenv.dart';
 import '../../../data/services/network/dio_manager.dart';
 import '../../../data/services/network/api.dart';
 import 'package:flutter/foundation.dart';
+import 'dart:async';
+import 'package:app_links/app_links.dart';
 
 /// goods 模块基础控制器，封装通用的商品加载与支付流程
 abstract class GoodsBaseController extends GetxController {
@@ -17,11 +19,22 @@ abstract class GoodsBaseController extends GetxController {
   final RxString error = ''.obs;
 
   late final PayService _payService = Get.find<PayService>();
+  StreamSubscription<Uri?>? _deeplinkSub;
+  late final AppLinks _appLinks = AppLinks();
 
   @override
   void onInit() {
     super.onInit();
     _init();
+    // 处理冷启动场景：如果 App 通过深链直接启动
+    _handleInitialDeepLink();
+  }
+
+  @override
+  void onClose() {
+    _deeplinkSub?.cancel();
+    _deeplinkSub = null;
+    super.onClose();
   }
 
   Future<void> _init() async {
@@ -559,8 +572,13 @@ abstract class GoodsBaseController extends GetxController {
     }
   }
 
-  Future<void> _confirmOrderAndShow(String? orderId,
-      {required String channel, String? initialMessage}) async {
+  Future<void> _confirmOrderAndShow(
+    String? orderId, {
+    required String channel,
+    String? initialMessage,
+    int retries = 5,
+    int intervalMs = 1500,
+  }) async {
     // 若无法获取订单号，直接弹成功提示但提醒稍后刷新
     if (orderId == null || orderId.isEmpty) {
       _showPayResultDialog(true, '${channel}支付成功，订单处理中，请稍后查看。');
@@ -571,7 +589,7 @@ abstract class GoodsBaseController extends GetxController {
     bool success = false;
     try {
       // 简单轮询回查，避免回调延迟
-      for (int i = 0; i < 5; i++) {
+      for (int i = 0; i < retries; i++) {
         final resp = await Api.payaskorder({'order_id': orderId});
         print("查询订单 resp: $resp");
         final order = resp?['order'] as Map<String, dynamic>?;
@@ -584,7 +602,7 @@ abstract class GoodsBaseController extends GetxController {
             break;
           }
         }
-        await Future.delayed(const Duration(milliseconds: 1500));
+        await Future.delayed(Duration(milliseconds: intervalMs));
       }
 
       // 若标记成功但未拿到用户信息，使用token登录接口回拉用户资料，确保额度刷新
@@ -728,7 +746,88 @@ abstract class GoodsBaseController extends GetxController {
       onResult?.call(false, '创建 PayPal 订单失败');
       return false;
     }
-    return _payService.paypalPay(approvalUrl: approvalUrl, onResult: onResult);
+    final orderId = _payService.lastOrderId; // 创建订单时已缓存
+    print('[PayPal] 创建完成，orderId: $orderId, approvalUrl: $approvalUrl');
+
+    // 启动深链监听：当浏览器重定向到 deepvoiceclient://paypal/return 或 /cancel 时处理
+    _deeplinkSub?.cancel();
+    _deeplinkSub = _appLinks.uriLinkStream.listen((uri) async {
+      if (uri == null) return;
+      print('[PayPal] 深链回跳: ${uri.toString()}');
+      final token = uri.queryParameters['token'] ?? '';
+      if (token.isNotEmpty) {
+        print('[PayPal] 回跳 token(订单ID): $token');
+      }
+      final scheme = uri.scheme;
+      final host = uri.host;
+      final path = uri.path;
+      if (scheme == 'deepvoiceclient' && host == 'paypal') {
+        if (path == '/return') {
+          print('[PayPal] 检测到 /return，使用 orderId 回查: $orderId');
+          await _confirmOrderAndShow(
+            orderId,
+            channel: 'PayPal',
+            initialMessage: '支付完成，正在确认',
+            retries: 1,
+            intervalMs: 0,
+          );
+        } else if (path == '/cancel') {
+          _showPayResultDialog(false, '已取消支付');
+        }
+        // 一次性监听，处理后即取消
+        _deeplinkSub?.cancel();
+        _deeplinkSub = null;
+      }
+    }, onError: (e) {
+      // 忽略监听错误，保持现有轮询逻辑
+    });
+    return _payService.paypalPay(
+      approvalUrl: approvalUrl,
+      onResult: (success, msg) async {
+        onResult?.call(success, msg);
+        if (success) {
+          // 仅提示已打开授权页面，不在此处回查与弹窗，等待深链回跳后再处理
+          print('[PayPal] 已打开授权页面，等待回跳后再确认。orderId: $orderId');
+          Get.snackbar('提示', msg ?? '已打开 PayPal，请在浏览器完成支付',
+              snackPosition: SnackPosition.BOTTOM,
+              margin: const EdgeInsets.all(12));
+        } else {
+          // 无法打开授权页才提示失败
+          _showPayResultDialog(false, msg ?? '无法打开 PayPal 支付页面');
+        }
+      },
+    );
+  }
+
+  Future<void> _handleInitialDeepLink() async {
+    try {
+      final uri = await _appLinks.getInitialLink();
+      if (uri == null) return;
+      print('[PayPal] 冷启动深链: ${uri.toString()}');
+      final token = uri.queryParameters['token'] ?? '';
+      if (token.isNotEmpty) {
+        print('[PayPal] 冷启动 token(订单ID): $token');
+      }
+      if (uri.scheme == 'deepvoiceclient' && uri.host == 'paypal') {
+        if (uri.path == '/return') {
+          final orderId = _payService.lastOrderId;
+          if (orderId != null) {
+            print('[PayPal] 冷启动 /return，使用 orderId 回查: $orderId');
+            await _confirmOrderAndShow(
+              orderId,
+              channel: 'PayPal',
+              initialMessage: '支付完成，正在确认',
+              retries: 1,
+              intervalMs: 0,
+            );
+          }
+        } else if (uri.path == '/cancel') {
+          _showPayResultDialog(false, '已取消支付');
+        }
+      }
+    } catch (_) {
+      // 忽略异常，维持原有逻辑
+    }
   }
 }
 
diff --git a/linux/flutter/generated_plugin_registrant.cc b/linux/flutter/generated_plugin_registrant.cc
index f443e8bbe..382b3ca70 100644
--- a/linux/flutter/generated_plugin_registrant.cc
+++ b/linux/flutter/generated_plugin_registrant.cc
@@ -8,6 +8,7 @@
 
 #include <file_selector_linux/file_selector_plugin.h>
 #include <flutter_secure_storage_linux/flutter_secure_storage_linux_plugin.h>
+#include <gtk/gtk_plugin.h>
 #include <record_linux/record_linux_plugin.h>
 #include <url_launcher_linux/url_launcher_plugin.h>
 #include <window_size/window_size_plugin.h>
@@ -19,6 +20,9 @@ void fl_register_plugins(FlPluginRegistry* registry) {
   g_autoptr(FlPluginRegistrar) flutter_secure_storage_linux_registrar =
       fl_plugin_registry_get_registrar_for_plugin(registry, "FlutterSecureStorageLinuxPlugin");
   flutter_secure_storage_linux_plugin_register_with_registrar(flutter_secure_storage_linux_registrar);
+  g_autoptr(FlPluginRegistrar) gtk_registrar =
+      fl_plugin_registry_get_registrar_for_plugin(registry, "GtkPlugin");
+  gtk_plugin_register_with_registrar(gtk_registrar);
   g_autoptr(FlPluginRegistrar) record_linux_registrar =
       fl_plugin_registry_get_registrar_for_plugin(registry, "RecordLinuxPlugin");
   record_linux_plugin_register_with_registrar(record_linux_registrar);
diff --git a/linux/flutter/generated_plugins.cmake b/linux/flutter/generated_plugins.cmake
index 346ccb75e..bd3f71e4d 100644
--- a/linux/flutter/generated_plugins.cmake
+++ b/linux/flutter/generated_plugins.cmake
@@ -5,6 +5,7 @@
 list(APPEND FLUTTER_PLUGIN_LIST
   file_selector_linux
   flutter_secure_storage_linux
+  gtk
   record_linux
   url_launcher_linux
   window_size
diff --git a/pubspec.yaml b/pubspec.yaml
index 5943a452f..26889ffc7 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -67,6 +67,7 @@ dependencies:
   url_launcher: ^6.3.1
   in_app_purchase: ^3.1.11
   in_app_purchase_android: ^0.4.0+5
+  app_links:
   firebase_core: ^4.0.0
   firebase_auth: ^6.0.1
   google_sign_in: ^6.2.2
diff --git a/windows/flutter/generated_plugin_registrant.cc b/windows/flutter/generated_plugin_registrant.cc
index fae16f5da..227ab6e38 100644
--- a/windows/flutter/generated_plugin_registrant.cc
+++ b/windows/flutter/generated_plugin_registrant.cc
@@ -6,6 +6,7 @@
 
 #include "generated_plugin_registrant.h"
 
+#include <app_links/app_links_plugin_c_api.h>
 #include <connectivity_plus/connectivity_plus_windows_plugin.h>
 #include <file_selector_windows/file_selector_windows.h>
 #include <firebase_auth/firebase_auth_plugin_c_api.h>
@@ -19,6 +20,8 @@
 #include <window_size/window_size_plugin.h>
 
 void RegisterPlugins(flutter::PluginRegistry* registry) {
+  AppLinksPluginCApiRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("AppLinksPluginCApi"));
   ConnectivityPlusWindowsPluginRegisterWithRegistrar(
       registry->GetRegistrarForPlugin("ConnectivityPlusWindowsPlugin"));
   FileSelectorWindowsRegisterWithRegistrar(
diff --git a/windows/flutter/generated_plugins.cmake b/windows/flutter/generated_plugins.cmake
index 44fbd12be..17287648d 100644
--- a/windows/flutter/generated_plugins.cmake
+++ b/windows/flutter/generated_plugins.cmake
@@ -3,6 +3,7 @@
 #
 
 list(APPEND FLUTTER_PLUGIN_LIST
+  app_links
   connectivity_plus
   file_selector_windows
   firebase_auth