diff --git a/apps/third/serializers.py b/apps/third/serializers.py
index 507ed2b3..34a2181f 100755
--- a/apps/third/serializers.py
+++ b/apps/third/serializers.py
@@ -90,7 +90,7 @@ class BltQuerySerializer(serializers.ModelSerializer):
 
     class Meta:
         model = TDevice
-        fields = ['area']
+        fields = ['area', 'depts']
 
 
 class BltBindCreateSerializer(serializers.ModelSerializer):