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 3f0b1fa8..8eb2aefe 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
@@ -49,7 +49,7 @@ public class HeartbeatCommand implements BaseCommand{
             if (devices != null && devices.isArray()) {
                 for (JsonNode device : devices) {
                     Long deviceId = device.get("deviceId").asLong();
-                    Boolean online = device.get("online").asBoolean();
+                    int online = device.get("online").asInt();
                     DeviceInfoCache deviceInfoCacheById = cacheService.getEquipmentCache().getDeviceInfoCacheById(deviceId);
                     if (deviceInfoCacheById == null || !deviceInfoCacheById.getObjectType().equals(EquipmentTypeIds.EQUIPMENT_TYPE_STATION_WTG)) {
                         continue;
@@ -59,10 +59,10 @@ public class HeartbeatCommand implements BaseCommand{
                     String keyCommFaultState = String.format("RT:%d:commfaultstate",deviceId);
                     Integer plcDeviceStatus = adminRedisTemplate.get(keyPLCDeviceStatus);
                     if (plcDeviceStatus == null){
-                        adminRedisTemplate.set(keyCommFaultState, online ? 0 : 1);
+                        adminRedisTemplate.set(keyCommFaultState, (online == 1) ? 0 : 1);
                     }
                     else{
-                        adminRedisTemplate.set(keyCommFaultState, online && (plcDeviceStatus != 0) ? 0 : 1);
+                        adminRedisTemplate.set(keyCommFaultState, (online == 1) && (plcDeviceStatus != 0) ? 0 : 1);
                     }
                 }
             }