diff --git a/apps/counter/api/mobile/serializers.py b/apps/counter/api/mobile/serializers.py
index cf073e1..062251c 100644
--- a/apps/counter/api/mobile/serializers.py
+++ b/apps/counter/api/mobile/serializers.py
@@ -8,7 +8,7 @@ class DeviceInfoMobileSerializer(serializers.ModelSerializer):
     device_name = serializers.SerializerMethodField()
     status = serializers.SerializerMethodField()
     coordinate = serializers.SerializerMethodField()
-    # location = serializers.SerializerMethodField()
+    location = serializers.SerializerMethodField()
 
     class Meta:
         model = DeviceInfo
@@ -17,7 +17,7 @@ class DeviceInfoMobileSerializer(serializers.ModelSerializer):
             'device_name',
             'status',
             'coordinate',
-            # 'location',
+            'location',
         ]
 
     def __init__(self, *args, **kwargs):
@@ -44,4 +44,6 @@ class DeviceInfoMobileSerializer(serializers.ModelSerializer):
         return None
 
     def get_location(self, obj):
-        return obj.location
+        if self.cur_device:
+            return self.cur_device.location
+        return None