diff --git a/apps/counter/api/views.py b/apps/counter/api/views.py
index 89d06f4..afadc54 100644
--- a/apps/counter/api/views.py
+++ b/apps/counter/api/views.py
@@ -1,6 +1,6 @@
 import pytz
 from datetime import datetime, time
-from django.db.models import Sum
+from django.db.models import Sum, Max
 from rest_framework.generics import (
     ListAPIView,
     RetrieveAPIView,
@@ -44,9 +44,14 @@ class DeviceLogStatisticAPIView(APIView):
         tz = pytz.timezone("UTC")
         today = datetime.now(tz).date()
         midnight = tz.localize(datetime.combine(today, time(0, 0)), is_dst=None)
-        total_count = DeviceCount.objects.aggregate(total=Sum('count'))['total']
-        daily_count = DeviceCount.objects.filter(
-            data_time__gt=midnight).aggregate(total=Sum('count'))['total']
+        # total_count = DeviceCount.objects.aggregate(total=Sum('count'))['total']
+        total_count_queryset = DeviceCount.objects.values('device_id').annotate(count=Max('count'))
+        total_count = sum(map(lambda x: int(x['count']), total_count_queryset))
+
+        one_day_ago_queryset = DeviceCount.objects.filter(
+            data_time__gt=midnight).values('device_id').annotate(count=Max('count'))
+        one_day_ago_count = sum(map(lambda x: int(x['count']), one_day_ago_queryset))
+        daily_count = total_count - one_day_ago_count
         data = {'total_count': total_count, 'daily_count': daily_count}
         return Response(data)