diff --git a/apps/counter/api/serializers.py b/apps/counter/api/serializers.py
index 3b205ff..3b3bbcd 100644
--- a/apps/counter/api/serializers.py
+++ b/apps/counter/api/serializers.py
@@ -198,6 +198,7 @@ class DeviceCountWithInfoSerializer(DeviceCountSerializer):
 class DeviceInfoSerializer(serializers.ModelSerializer):
     device_name = serializers.SerializerMethodField()
     status = serializers.SerializerMethodField()
+    led_status = serializers.SerializerMethodField()
     count = serializers.SerializerMethodField()
     signal = serializers.SerializerMethodField()
     energy = serializers.SerializerMethodField()
@@ -211,6 +212,7 @@ class DeviceInfoSerializer(serializers.ModelSerializer):
             'device_name',
             'chip_type',
             'status',
+            'led_status',
             'count',
             'signal',
             'energy',
@@ -247,6 +249,13 @@ class DeviceInfoSerializer(serializers.ModelSerializer):
 
         return obj.online
 
+    def get_led_status(self, obj):
+        # 区分一代和二代设备
+        if obj.chip_type == 'AIR-V2':
+            if self.mosq_device_info and self.mosq_device_info.led_status is not None:
+                return self.mosq_device_info.led_status
+        return None
+    
     def get_count(self, obj) -> str:
         self.latest = get_device_latest_by_cache(obj.device_id)