diff --git a/system/mqtt-xf-receiver/src/main/java/org/dromara/mica/mqtt/server/constant/CacheConstants.java b/system/mqtt-xf-receiver/src/main/java/org/dromara/mica/mqtt/server/constant/CacheConstants.java
index b6caec3..027aa18 100644
--- a/system/mqtt-xf-receiver/src/main/java/org/dromara/mica/mqtt/server/constant/CacheConstants.java
+++ b/system/mqtt-xf-receiver/src/main/java/org/dromara/mica/mqtt/server/constant/CacheConstants.java
@@ -14,6 +14,6 @@ public class CacheConstants
 	/**
 	 * 设备心跳缓存过期时间
 	 */
-	public static final long OFFLINE_THRESHOLD = 10 * 1000;
+	public static final long OFFLINE_THRESHOLD = 2 * 1000;
 
 }
diff --git a/system/mqtt-xf-receiver/src/main/resources/application-dev.yml b/system/mqtt-xf-receiver/src/main/resources/application-dev.yml
index 9c971ba..772b5a9 100644
--- a/system/mqtt-xf-receiver/src/main/resources/application-dev.yml
+++ b/system/mqtt-xf-receiver/src/main/resources/application-dev.yml
@@ -6,7 +6,10 @@ spring:
     password: root
   data:
     redis:
-      host: 192.168.2.30
-      password: redis2025
+#      host: 192.168.2.30
+#      password: redis2025
+#      database: 5
+#      port: 6379
+      host: 127.0.0.1
       database: 5
       port: 6379