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 5c13d899..e29915c9 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
@@ -56,13 +56,13 @@ public class HeartbeatCommand implements BaseCommand{
                     }
                     //判断是不是风机
                     String keyPLCDeviceStatus = String.format("RT:%d:iturbineoperationmode", deviceId);
-                    String keyDeviceStatus = String.format("RT:%d:commfaultstate");
+                    String keyCommFaultState = String.format("RT:%d:commfaultstate");
                     Integer plcDeviceStatus = adminRedisTemplate.get(keyPLCDeviceStatus);
                     if (plcDeviceStatus == null){
-                        adminRedisTemplate.set(keyDeviceStatus, online ? 1 : 0);
+                        adminRedisTemplate.set(keyCommFaultState, online ? 0 : 1);
                     }
                     else{
-                        adminRedisTemplate.set(keyDeviceStatus, online && plcDeviceStatus == 1 ? 1 : 0);
+                        adminRedisTemplate.set(keyCommFaultState, online && plcDeviceStatus != 0 ? 0 : 1);
                     }
                 }
             }