diff --git a/apps/client/lib/core/utils/toast_throttle.dart b/apps/client/lib/core/utils/toast_throttle.dart
index 1273403a..20ad135d 100644
--- a/apps/client/lib/core/utils/toast_throttle.dart
+++ b/apps/client/lib/core/utils/toast_throttle.dart
@@ -13,11 +13,34 @@ class ToastThrottle {
 
   static final Map<String, DateTime> _last = {};
 
-  /// 同一提示的最小间隔。取 3 秒：比 snackbar 默认停留时间略长，
+  // ===== 设备/通话闸门提示的固定 key =====
+  //
+  // ⚠️ 跨页面必须共用同一把 key：AI 页的卡片和翻译中转页弹的是同一句话，
+  // 各用各的 key 会让用户在两处之间来回点时照样连着弹。
+
+  /// 「需要在通话中」——没在通话却点了通话翻译/通话录音
+  static const String keyCallRequired = 'gate.call_required';
+
+  /// 「通话中不可用」——通话里点了现场录音/同传/面对面/多媒体
+  static const String keyInCallBusy = 'gate.in_call_busy';
+
+  /// 「请先连接设备」
+  static const String keyConnectDevice = 'gate.connect_device';
+
+  /// 同一提示的默认最小间隔。取 3 秒：比 snackbar 默认停留时间略长，
   /// 保证「上一条还没消失就不会再来一条」。
   static const Duration window = Duration(seconds: 3);
 
+  /// 「这个功能现在就是用不了」这类闸门提示的间隔，比默认长得多。
+  ///
+  /// 区别在于用户还会不会再点：普通提示（保存失败之类）用户看完就换动作了，
+  /// 3 秒够；而灰着的功能卡片用户会连点好几下试，每 3 秒补一条同样的提示
+  /// 一样是刷屏。这里的信息量只有第一条，后面全是噪音。
+  static const Duration gateWindow = Duration(seconds: 8);
+
   /// 弹一条受节流的提示。被节流掉时返回 false。
+  ///
+  /// [window] 不传就用 [ToastThrottle.window]；闸门类提示传 [gateWindow]。
   static bool show(
     String key, {
     required String title,
@@ -25,10 +48,12 @@ class ToastThrottle {
     SnackPosition position = SnackPosition.TOP,
     Color? background,
     Color? textColor,
+    Duration? window,
   }) {
+    final gap = window ?? ToastThrottle.window;
     final now = DateTime.now();
     final last = _last[key];
-    if (last != null && now.difference(last) < window) return false;
+    if (last != null && now.difference(last) < gap) return false;
     _last[key] = now;
     Get.snackbar(
       title,
diff --git a/apps/client/lib/modules/home/controllers/home_controller.dart b/apps/client/lib/modules/home/controllers/home_controller.dart
index f1228b33..d3bfc0c6 100644
--- a/apps/client/lib/modules/home/controllers/home_controller.dart
+++ b/apps/client/lib/modules/home/controllers/home_controller.dart
@@ -1,6 +1,7 @@
 import 'dart:async';
 import '/core/utils/id_verify_guard.dart';
 import '/core/utils/device_connection.dart';
+import '/core/utils/toast_throttle.dart';
 
 import 'package:device_jieli/device_jieli.dart';
 import 'package:get/get.dart';
@@ -271,25 +272,30 @@ class HomeController extends GetxController {
     // 三条链路任意一条连上都算已连接（杰理 / 蓝讯支架 / 恒玄耳机）。
     // 之前只看 _isFullyConnected（杰理专用），恒玄耳机连上了照样被拦。
     // 通话翻译还要求正处于通话中——耳机得先进通话模式（0xD1）才有双路音频
+    // ⚠️ 下面三条一律走 ToastThrottle 而不是裸 Get.snackbar：
+    // 它们拦的都是「这个功能现在就是用不了」，而卡片只是灰着、点得动，
+    // 用户会连点几下试——每点一下补一条一模一样的提示就把屏幕糊满了，
+    // 而且 Get 的 snackbar 会排队，要等它们逐条超时才散得干净。
+    // 信息量只在第一条，后面全是噪音。
     if (needBle && DeviceConnection.any && !DeviceConnection.inCall) {
-      Get.snackbar('callRequiredTitle'.tr, 'callRequiredDesc'.tr,
-          snackPosition: SnackPosition.TOP,
-          duration: const Duration(seconds: 2));
+      ToastThrottle.show(ToastThrottle.keyCallRequired,
+          title: 'callRequiredTitle'.tr,
+          message: 'callRequiredDesc'.tr,
+          window: ToastThrottle.gateWindow);
       return;
     }
     if (needBle && !DeviceConnection.any) {
-      Get.snackbar(
-        'connectDevice'.tr, // 连接设备
-        'pleaseConnectDeepSoundDevice'.tr, // 请连接 Eaimar 设备
-        snackPosition: SnackPosition.TOP,
-        duration: const Duration(seconds: 1),
-      );
+      ToastThrottle.show(ToastThrottle.keyConnectDevice,
+          title: 'connectDevice'.tr, // 连接设备
+          message: 'pleaseConnectDeepSoundDevice'.tr, // 请连接 Eaimar 设备
+          window: ToastThrottle.gateWindow);
       return;
     }
     if (DeviceConnection.isBlockedByCall(translationId)) {
-      Get.snackbar('inCallBusyTitle'.tr, 'inCallBusyDesc'.tr,
-          snackPosition: SnackPosition.TOP,
-          duration: const Duration(seconds: 2));
+      ToastThrottle.show(ToastThrottle.keyInCallBusy,
+          title: 'inCallBusyTitle'.tr,
+          message: 'inCallBusyDesc'.tr,
+          window: ToastThrottle.gateWindow);
       return;
     }
     AgentService.interruptCurrentResponse();
@@ -301,18 +307,17 @@ class HomeController extends GetxController {
   void openCallRecording() {
     if (IdVerifyGuard.blocked()) return;
     if (DeviceConnection.any && !DeviceConnection.inCall) {
-      Get.snackbar('callRequiredTitle'.tr, 'callRequiredDesc'.tr,
-          snackPosition: SnackPosition.TOP,
-          duration: const Duration(seconds: 2));
+      ToastThrottle.show(ToastThrottle.keyCallRequired,
+          title: 'callRequiredTitle'.tr,
+          message: 'callRequiredDesc'.tr,
+          window: ToastThrottle.gateWindow);
       return;
     }
     if (!DeviceConnection.any) {
-      Get.snackbar(
-        'connectDevice'.tr, // 连接设备
-        'pleaseConnectDeepSoundDevice'.tr, // 请连接 Eaimar 设备
-        snackPosition: SnackPosition.TOP,
-        duration: const Duration(seconds: 1),
-      );
+      ToastThrottle.show(ToastThrottle.keyConnectDevice,
+          title: 'connectDevice'.tr, // 连接设备
+          message: 'pleaseConnectDeepSoundDevice'.tr, // 请连接 Eaimar 设备
+          window: ToastThrottle.gateWindow);
       return;
     }
     Get.toNamed(Routes.recording,
@@ -325,9 +330,10 @@ class HomeController extends GetxController {
   /// （具体分支见 CallRecordingController._startRecording）。
   void openFieldRecording() {
     if (DeviceConnection.isBlockedByCall('fieldRecording')) {
-      Get.snackbar('inCallBusyTitle'.tr, 'inCallBusyDesc'.tr,
-          snackPosition: SnackPosition.TOP,
-          duration: const Duration(seconds: 2));
+      ToastThrottle.show(ToastThrottle.keyInCallBusy,
+          title: 'inCallBusyTitle'.tr,
+          message: 'inCallBusyDesc'.tr,
+          window: ToastThrottle.gateWindow);
       return;
     }
     if (IdVerifyGuard.blocked()) return;
diff --git a/apps/client/lib/modules/main_tab/views/widgets/module_card.dart b/apps/client/lib/modules/main_tab/views/widgets/module_card.dart
index 522febfa..9be35771 100644
--- a/apps/client/lib/modules/main_tab/views/widgets/module_card.dart
+++ b/apps/client/lib/modules/main_tab/views/widgets/module_card.dart
@@ -6,6 +6,7 @@ import 'package:get/get.dart';
 import '../../../../core/utils/ai_navigation.dart';
 import '../../../../core/utils/id_verify_guard.dart';
 import '../../../../core/utils/device_connection.dart';
+import '../../../../core/utils/toast_throttle.dart';
 import '../../../../data/services/bes_bluetooth_service.dart';
 
 import '../../../../data/models/agent_module.dart';
@@ -307,19 +308,22 @@ void launchModule(AgentModule module) {
   //（不替调用方重放动作——有些功能带副作用）。
   if (IdVerifyGuard.blocked()) return;
   // 通话中：现场录音/同声翻译/面对面翻译/多媒体翻译 都不可用
+  // ⚠️ 这里的卡片只是画成灰的（ModuleSquareCard 的 enabled 只管透明度），
+  // 点击照样走到这儿。用户看到灰卡片会连点几下试，所以这两条必须节流——
+  // 否则一串一模一样的提示叠在屏幕上，还要逐条等超时才散。
   if (DeviceConnection.isBlockedByCall(module.id)) {
-    Get.snackbar('inCallBusyTitle'.tr, 'inCallBusyDesc'.tr,
-        snackPosition: SnackPosition.TOP,
-        duration: const Duration(seconds: 2));
+    ToastThrottle.show(ToastThrottle.keyInCallBusy,
+        title: 'inCallBusyTitle'.tr,
+        message: 'inCallBusyDesc'.tr,
+        window: ToastThrottle.gateWindow);
     return;
   }
   if (module.comingSoon) {
-    Get.snackbar(
-      module.title.tr,
-      'featureInDev'.tr,
-      snackPosition: SnackPosition.TOP,
-      duration: const Duration(seconds: 2),
-    );
+    // 按模块分 key：不同功能的「开发中」是不同的话，互相不该被对方节流掉
+    ToastThrottle.show('gate.coming_soon.${module.id}',
+        title: module.title.tr,
+        message: 'featureInDev'.tr,
+        window: ToastThrottle.gateWindow);
     return;
   }
   // 每次进功能都刷一次耳机状态（版本/按键/EQ）——耳机可能在后台被摘下、
diff --git a/apps/client/lib/modules/translation/middleware/controllers/translation_middleware_controller.dart b/apps/client/lib/modules/translation/middleware/controllers/translation_middleware_controller.dart
index 24fe3fbc..e9989d03 100644
--- a/apps/client/lib/modules/translation/middleware/controllers/translation_middleware_controller.dart
+++ b/apps/client/lib/modules/translation/middleware/controllers/translation_middleware_controller.dart
@@ -1,6 +1,7 @@
 // import 'package:flutter_easyloading/flutter_easyloading.dart';
 import 'package:get/get.dart';
 import 'package:flutter/material.dart';
+import '../../../../core/utils/toast_throttle.dart';
 import '../../../../routes/app_routes.dart';
 import '../../../../data/services/ble_manager.dart';
 
@@ -92,10 +93,12 @@ class TranslationMiddlewareController extends GetxController {
     // 不可用则提示用户连接设备
     if (!isOptionEnabled(option)) {
       // 连接设备 / 请连接 Eaimar 设备
-      Get.snackbar('connectDevice'.tr,
-          'pleaseConnectDeepSoundDevice'.tr, // 连接设备 / 请连接 Eaimar 设备
-          snackPosition: SnackPosition.TOP,
-          duration: const Duration(seconds: 1));
+      // 与 AI 页卡片共用同一把 key：两处弹的是同一句话，各用各的 key 会让
+      // 用户在两个页面之间来回点时照样连着弹。
+      ToastThrottle.show(ToastThrottle.keyConnectDevice,
+          title: 'connectDevice'.tr,
+          message: 'pleaseConnectDeepSoundDevice'.tr, // 请连接 Eaimar 设备
+          window: ToastThrottle.gateWindow);
       //EasyLoading.showInfo('connectDevice'.tr);
       return;
     }