diff --git a/agri-common/src/main/java/com/agri/common/constant/Constants.java b/agri-common/src/main/java/com/agri/common/constant/Constants.java
index 80eeecc..b83e6a4 100644
--- a/agri-common/src/main/java/com/agri/common/constant/Constants.java
+++ b/agri-common/src/main/java/com/agri/common/constant/Constants.java
@@ -170,4 +170,7 @@ public class Constants
      */
     public static final String[] JOB_ERROR_STR = { "java.net.URL", "javax.naming.InitialContext", "org.yaml.snakeyaml",
             "org.springframework", "org.apache", "com.agri.common.utils.file", "com.agri.common.config", "com.agri.generator" };
+
+    public static final String JM1G = "jm1g";
+
 }
diff --git a/agri-framework/src/main/java/com/agri/framework/interceptor/FrontendControlHandler.java b/agri-framework/src/main/java/com/agri/framework/interceptor/FrontendControlHandler.java
index 3a02818..59a94c9 100644
--- a/agri-framework/src/main/java/com/agri/framework/interceptor/FrontendControlHandler.java
+++ b/agri-framework/src/main/java/com/agri/framework/interceptor/FrontendControlHandler.java
@@ -112,12 +112,12 @@ public class FrontendControlHandler {
         // 2. 分布式锁：设备ID+功能类型（避免同设备同功能并发控制）
         String lockKey = "lock:" + deviceId + ":" + funcType;
         Boolean lockSuccess = stringRedisTemplate.opsForValue().setIfAbsent(
-                lockKey, clientId, 15, TimeUnit.SECONDS // 延长至15秒，适配设备回执场景
+                lockKey, clientId, 60, TimeUnit.SECONDS // 延长至15秒，适配设备回执场景
         );
         if (lockSuccess == null || !lockSuccess) {
             String errorTopic = "frontend/" + clientId + "/dtu/" + deviceId + "/listener";
             mqttMessageSender.publish(errorTopic, "{\"msg\":\"设备" + funcType + "功能忙，请稍后重试\"}");
-            log.warn("【分布式锁】前端{}操作设备{}的{}功能失败", clientId, deviceId, funcType);
+            log.warn("【分布式锁】前端{}操作设备{}的{}功能失败；可能其他用户正在操作此功能", clientId, deviceId, funcType);
             return;
         }
 
diff --git a/agri-framework/src/main/java/com/agri/framework/manager/MqttAutoOffManager.java b/agri-framework/src/main/java/com/agri/framework/manager/MqttAutoOffManager.java
index abc234d..9aadbd3 100644
--- a/agri-framework/src/main/java/com/agri/framework/manager/MqttAutoOffManager.java
+++ b/agri-framework/src/main/java/com/agri/framework/manager/MqttAutoOffManager.java
@@ -228,7 +228,7 @@ public class MqttAutoOffManager {
             // 新增：自动关也走分布式锁（避免与前端并发控制同一功能导致乱序/互相覆盖）
             String lockKey = "lock:" + deviceId + ":" + funcType;
             Boolean lockSuccess = stringRedisTemplate.opsForValue().setIfAbsent(
-                    lockKey, "autooff", 15, TimeUnit.SECONDS
+                    lockKey, "autooff", 60, TimeUnit.SECONDS
             );
             if (lockSuccess == null || !lockSuccess) {
                 log.info("【自动关任务】{}功能忙（锁占用），跳过自动关闭：deviceId={}, funcType={}", funcType, deviceId, funcType);