diff --git a/das/src/main/java/com/das/modules/node/command/HeartbeatCommand.java b/das/src/main/java/com/das/modules/node/command/HeartbeatCommand.java
index 53801235..f4500301 100644
--- a/das/src/main/java/com/das/modules/node/command/HeartbeatCommand.java
+++ b/das/src/main/java/com/das/modules/node/command/HeartbeatCommand.java
@@ -15,7 +15,7 @@ import org.springframework.stereotype.Service;
 @Service(value = NodeConstant.HEARTBEAT)
 public class HeartbeatCommand implements BaseCommand{
 
-    public static final long HEARTBEAT_TTL = 60L;
+    public static final long HEARTBEAT_TTL = 12L;
 
     @Autowired
     AdminRedisTemplate adminRedisTemplate;