diff --git a/apps/mosquito/tasks.py b/apps/mosquito/tasks.py
index 0e9efab..793cd91 100644
--- a/apps/mosquito/tasks.py
+++ b/apps/mosquito/tasks.py
@@ -4,11 +4,18 @@ from functools import reduce
 from datetime import datetime, time, timedelta
 from django.db.models import Max
 from celery import task
+
+
+import os
+import django
+pwd = os.path.dirname(os.path.realpath(__file__))
+os.environ.setdefault("DJANGO_SETTINGS_MODULE", "mosqkiller.settings")
+django.setup()
+
 from counter.models import DeviceCount
 from counter.models import DeviceInfo as D1
 from mosquito.models import MosqPostStatistic, DevicePostStatistic, DeviceInfo, Org
 
-
 def max_count(x, y):
     if x.count > y.count:
         return x
@@ -23,6 +30,8 @@ def shortest_date(date, date_list):
 
 def fill_date(ret=None, tz=None):
     date_list = [k for k in ret]
+    if len(date_list) == 0:
+        return None
     min_date = min(date_list)
     max_date = datetime.now(tz).date()
     days = (max_date - min_date).days
@@ -40,7 +49,7 @@ def get_daily_statistic(enable_container=False):
     qs = DeviceCount.objects.raw('select id, date(data_time) as date from device_count group by date')
     if qs:
         tz = pytz.timezone("UTC")
-        device_list = {item.device_id for item in DeviceCount.objects.distinct()}
+        device_list = {item.device_id for item in DeviceInfo.objects.distinct()}
         for item in device_list:
             device_container[item] = set()
         for q in qs:
@@ -83,6 +92,8 @@ def update_daily_statistic():
             org = device.org
             container = dict(device_container[device_id])
             full_daily_ret = fill_date(container, tz=pytz.timezone("UTC"))
+            if full_daily_ret is None:
+                continue
 
             _date_list = [k for k in full_daily_ret]
             _date_list.sort()
@@ -150,3 +161,9 @@ def update_mosq_device_info():
     for device_id in x:
         DeviceInfo.objects.create(device_id=device_id, org=default_org)
     return list(x)
+
+
+if __name__ == '__main__':
+    # a, b = get_daily_statistic()
+    # print(a, b)
+    update_daily_statistic()
\ No newline at end of file