diff --git a/main/manager-api/src/main/java/xiaozhi/modules/agent/service/biz/impl/AgentChatHistoryBizServiceImpl.java b/main/manager-api/src/main/java/xiaozhi/modules/agent/service/biz/impl/AgentChatHistoryBizServiceImpl.java
index 8b405e49..21e645de 100644
--- a/main/manager-api/src/main/java/xiaozhi/modules/agent/service/biz/impl/AgentChatHistoryBizServiceImpl.java
+++ b/main/manager-api/src/main/java/xiaozhi/modules/agent/service/biz/impl/AgentChatHistoryBizServiceImpl.java
@@ -82,7 +82,7 @@ public class AgentChatHistoryBizServiceImpl implements AgentChatHistoryBizServic
         // 3. 保存数据
         agentChatHistoryService.save(entity);
         // 4. 更新设备最后对话时间
-        redisUtils.set(RedisKeys.getAgentDeviceLastConnectedAtById(agentId), new Date(), 60 * 2);
+        redisUtils.set(RedisKeys.getAgentDeviceLastConnectedAtById(agentId), new Date());
         return Boolean.TRUE;
     }
 }
diff --git a/main/manager-api/src/main/java/xiaozhi/modules/device/service/impl/DeviceServiceImpl.java b/main/manager-api/src/main/java/xiaozhi/modules/device/service/impl/DeviceServiceImpl.java
index 59e329fa..515aea7f 100644
--- a/main/manager-api/src/main/java/xiaozhi/modules/device/service/impl/DeviceServiceImpl.java
+++ b/main/manager-api/src/main/java/xiaozhi/modules/device/service/impl/DeviceServiceImpl.java
@@ -1,7 +1,12 @@
 package xiaozhi.modules.device.service.impl;
 
 import java.time.Instant;
-import java.util.*;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.TimeZone;
+import java.util.UUID;
 
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.stereotype.Service;
@@ -262,7 +267,7 @@ public class DeviceServiceImpl extends BaseServiceImpl<DeviceDao, DeviceEntity>
         }
         Date maxDate = deviceDao.getAllLastConnectedAtByAgentId(agentId);
         if (maxDate != null) {
-            redisUtils.set(RedisKeys.getAgentDeviceLastConnectedAtById(agentId), maxDate, 60 * 2);
+            redisUtils.set(RedisKeys.getAgentDeviceLastConnectedAtById(agentId), maxDate);
         }
         return maxDate;
     }