diff --git a/src/main/java/com/yupi/springbootinit/config/RabbitMQConfig.java b/src/main/java/com/yupi/springbootinit/config/RabbitMQConfig.java
index 9840dee..4ad6dca 100644
--- a/src/main/java/com/yupi/springbootinit/config/RabbitMQConfig.java
+++ b/src/main/java/com/yupi/springbootinit/config/RabbitMQConfig.java
@@ -21,6 +21,8 @@ public class RabbitMQConfig {
     private static final String QUEUE = "HOST_INFO_QUEUE";
 
     public static final String EXCHANGE_NAME = "user.headers.exchange";
+    public static final String AI_CHAT_EXCHANGE_NAME = "ai.chat.headers.exchange";
+    public static final String BIG_BROTHER_EXCHANGE_NAME = "big.brother.headers.exchange";
 
     //创建队列
     //true:表示持久化
@@ -46,6 +48,20 @@ public class RabbitMQConfig {
                 .build();
     }
 
+    @Bean
+    public HeadersExchange aiChatHeadersExchange() {
+        return ExchangeBuilder.headersExchange(AI_CHAT_EXCHANGE_NAME)
+                .durable(true)
+                .build();
+    }
+
+    @Bean
+    public HeadersExchange bigBrotherHeadersExchange() {
+        return ExchangeBuilder.headersExchange(BIG_BROTHER_EXCHANGE_NAME)
+                .durable(true)
+                .build();
+    }
+
     @Bean
     public RabbitAdmin rabbitAdmin(ConnectionFactory cf) {
         return new RabbitAdmin(cf);
diff --git a/src/main/java/com/yupi/springbootinit/service/impl/LoginService.java b/src/main/java/com/yupi/springbootinit/service/impl/LoginService.java
index eaa94c1..28b84ea 100644
--- a/src/main/java/com/yupi/springbootinit/service/impl/LoginService.java
+++ b/src/main/java/com/yupi/springbootinit/service/impl/LoginService.java
@@ -3,6 +3,7 @@ package com.yupi.springbootinit.service.impl;
 import cn.dev33.satoken.stp.StpUtil;
 import cn.hutool.core.bean.BeanUtil;
 import cn.hutool.core.date.DateUtil;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.yupi.springbootinit.common.ErrorCode;
 import com.yupi.springbootinit.exception.BusinessException;
 import com.yupi.springbootinit.mapper.SystemTenantMapper;
@@ -44,11 +45,11 @@ public class LoginService {
     @Resource
     private RedisTemplate<String, Boolean> redisTemplate;
 
-    /** 已创建过 RabbitMQ 队列的租户 ID 集合，防止重复创建 */
-    private final Set<String> created = ConcurrentHashMap.newKeySet();
+    /** AI聊天使用的 HeadersExchange */
+    private final HeadersExchange aiChatHeadersExchange;
 
-    /** 用户事件使用的 HeadersExchange */
-    private final HeadersExchange userHeadersExchange;
+    /** 大哥使用的 HeadersExchange */
+    private final HeadersExchange bigBrotherHeadersExchange;
 
     /** RabbitMQ 管理组件 */
     @Resource
@@ -74,26 +75,40 @@ public class LoginService {
         // 2. 按场景校验角色权限
         checkRole(scene, user.getId());
 
+
         // 3. AI_CHAT 场景专属逻辑：缓存登录状态并动态创建 RabbitMQ 队列
         if (scene.equals(LoginSceneEnum.AI_CHAT)) {
             // 记录该用户已登录 AI_CHAT
             redisTemplate.opsForValue().set("ai_login:" + user.getTenantId() + ":" + user.getId(), true);
-
             String queueName = "q.tenant." + user.getTenantId();
             // 若该租户队列尚未创建，则创建队列并绑定到 HeadersExchange
-            if (created.add(String.valueOf(user.getTenantId()))) {
                 Queue queue = QueueBuilder.durable(queueName).build();
                 rabbitAdmin.declareQueue(queue);
-
                 Map<String, Object> headers = Map.of("tenantId", user.getTenantId(), "x-match", "all");
                 Binding binding = BindingBuilder
                         .bind(queue)
-                        .to(userHeadersExchange)
+                        .to(aiChatHeadersExchange)  // 使用AI聊天专用交换机
                         .whereAll(headers)
                         .match();
                 rabbitAdmin.declareBinding(binding);
-            }
         }
+        // 3. 大哥场景专属逻辑：缓存登录状态并动态创建 RabbitMQ 队列
+        if (scene.equals(LoginSceneEnum.BIG_BROTHER)) {
+            // 记录该用户已登录 BIG_BROTHER
+            redisTemplate.opsForValue().set("bigbrother_login:" + user.getTenantId() + ":" + user.getId(), true);
+            String queueName = "b.tenant." + user.getTenantId();
+            // 若该租户队列尚未创建，则创建队列并绑定到 HeadersExchange
+                Queue queue = QueueBuilder.durable(queueName).build();
+                rabbitAdmin.declareQueue(queue);
+                Map<String, Object> headers = Map.of("tenantId", user.getTenantId(), "x-match", "all");
+                Binding binding = BindingBuilder
+                        .bind(queue)
+                        .to(bigBrotherHeadersExchange)  // 使用大哥专用交换机
+                        .whereAll(headers)
+                        .match();
+                rabbitAdmin.declareBinding(binding);
+        }
+
         SystemTenant systemTenant = tenantMapper.selectById(user.getTenantId());
         // 封装返回数据
         SystemUsersVO vo = new SystemUsersVO();
@@ -189,7 +204,6 @@ public class LoginService {
 
         // 3. 若该租户下已无 AI_CHAT 在线用户，则删除队列
         if (!redisUtils.hasKeyByPrefix("ai_login:" + usersDTO.getTenantId())) {
-            created.remove(String.valueOf(usersDTO.getTenantId()));
             boolean b = rabbitAdmin.deleteQueue("q.tenant." + usersDTO.getTenantId());
             log.info("删除租户:{} 队列删除状态：{}", usersDTO.getTenantId(), b);
         }
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index aa5c6fa..fd6e876 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -93,9 +93,7 @@ sa-token:
   # token 名称（同时也是 cookie 名称）
   token-name: vvtoken
   # token 有效期（单位：秒） 默认30天，-1 代表永久有效
-  timeout: 604800
-  # token 最低活跃频率（单位：秒），如果 token 超过此时间没有访问系统就会被冻结，默认-1 代表不限制，永不冻结
-  active-timeout: -1
+  timeout: 172800
   # 是否允许同一账号多地同时登录 （为 true 时允许一起登录, 为 false 时新登录挤掉旧登录）
   is-concurrent: false
   # 在多人登录同一账号时，是否共用一个 token （为 true 时所有登录共用一个 token, 为 false 时每次登录新建一个 token）