diff --git a/apps/counter/api/views.py b/apps/counter/api/views.py
index 9840ee4..1f47d1f 100644
--- a/apps/counter/api/views.py
+++ b/apps/counter/api/views.py
@@ -97,7 +97,6 @@ class LatestStatisticAPIView(APIView, RoleMixin):
     permission_classes = [IsAuthenticated]
 
     def get(self, request, *args, **kwargs):
-        # calc total count, no cache
         devices = self.get_devices()
         total_count_queryset = [DeviceCount.objects.filter(device_id=x['device_id'],
                                                            data_time=x['max_time']).order_by('-count')[0]
@@ -111,40 +110,29 @@ class LatestStatisticAPIView(APIView, RoleMixin):
         tz = pytz.timezone("UTC")
         today = datetime.now(tz).date()
 
-        # calc month_ago_count, put it in redis as cache.
-        if cache.get('month_ago_count'):
-            month_ago_count = cache.get('month_ago_count')
+        cur_month = tz.localize(datetime.combine(datetime(today.year, today.month, 1), time(0, 0)), is_dst=None)
+        one_month_ago_queryset = [
+            DeviceCount.objects.filter(device_id=x['device_id'], data_time=x['max_time']).order_by('-count')[0]
+            for x in DeviceCount.objects.filter(
+                data_time__lt=cur_month, device_id__in=devices).values('device_id').annotate(
+                max_time=Max('data_time'))]
+        if one_month_ago_queryset:
+            one_month_ago_count = sum(map(lambda x: int(x.count), one_month_ago_queryset))
+            cur_month_count = total_count - one_month_ago_count
         else:
-            cur_month = tz.localize(datetime.combine(datetime(today.year, today.month, 1), time(0, 0)), is_dst=None)
-            one_month_ago_queryset = [
-                DeviceCount.objects.filter(device_id=x['device_id'], data_time=x['max_time']).order_by('-count')[0]
-                for x in DeviceCount.objects.filter(
-                    data_time__lt=cur_month, device_id__in=devices).values('device_id').annotate(
-                    max_time=Max('data_time'))]
-            if one_month_ago_queryset:
-                one_month_ago_count = sum(map(lambda x: int(x.count), one_month_ago_queryset))
-                month_ago_count = total_count - one_month_ago_count
-            else:
-                month_ago_count = 0
-            cache.set('month_ago_count', month_ago_count, 60 * 5)
+            cur_month_count = total_count
 
-        # calc daily count, put it in redis as cache.
-        if cache.get('daily_count'):
-            daily_count = cache.get('daily_count')
+        midnight = tz.localize(datetime.combine(today, time(0, 0)), is_dst=None)
+        one_day_ago_queryset = [DeviceCount.objects.filter(device_id=x['device_id'], data_time=x['max_time']).order_by('-count')[0]
+                                for x in DeviceCount.objects.filter(
+                                    data_time__lt=midnight, device_id__in=devices).values('device_id').annotate(max_time=Max('data_time'))]
+        if one_day_ago_queryset:
+            one_day_ago_count = sum(map(lambda x: int(x.count), one_day_ago_queryset))
+            daily_count = total_count - one_day_ago_count
         else:
-            midnight = tz.localize(datetime.combine(today, time(0, 0)), is_dst=None)
-            one_day_ago_queryset = [DeviceCount.objects.filter(device_id=x['device_id'], data_time=x['max_time']).order_by('-count')[0]
-                                    for x in DeviceCount.objects.filter(
-                                        data_time__lt=midnight, device_id__in=devices).values('device_id').annotate(max_time=Max('data_time'))]
-            if one_day_ago_queryset:
-                one_day_ago_count = sum(map(lambda x: int(x.count), one_day_ago_queryset))
-                daily_count = total_count - one_day_ago_count
-            else:
-                daily_count = 0
-            cache.set('daily_count', daily_count, 60 * 5)
+            daily_count = 0
 
-        # print(total_count, month_ago_count)
-        data = {'month_ago_count': month_ago_count, 'daily_count': daily_count}
+        data = {'cur_month_count': cur_month_count, 'daily_count': daily_count}
         return Response(data)
 
     def get_devices(self):