diff --git a/apps/mosquito/tasks.py b/apps/mosquito/tasks.py
index dcdda16..3e0f68f 100644
--- a/apps/mosquito/tasks.py
+++ b/apps/mosquito/tasks.py
@@ -201,15 +201,23 @@ def update_mosq_device_info():
     default_org = Org.objects.all().first()
     for device_id in delta:
         counter_device = DeviceCount.objects.filter(device_id=device_id).order_by('-data_time').first()
+        # 设备上报了信息
+        if counter_device:
+            latitude = counter_device.latitude
+            longitude = counter_device.longitude
+        else:
+            latitude = None
+            longitude = None
+
         DeviceInfo.objects.create(device_id=device_id,
                                   org=default_org,
-                                  latitude=counter_device.latitude,
-                                  longitude=counter_device.longitude)
+                                  latitude=latitude,
+                                  longitude=longitude)
     return list(delta)
 
 
 if __name__ == '__main__':
     # a, b = get_daily_statistic()
     # print(a, b)
-    # update_mosq_device_info()
-    update_mosql_device_location()
+    update_mosq_device_info()
+    # update_mosql_device_location()
diff --git a/mosqkiller/settings.py b/mosqkiller/settings.py
index 2f09cec..194775a 100644
--- a/mosqkiller/settings.py
+++ b/mosqkiller/settings.py
@@ -217,10 +217,10 @@ CELERY_BEAT_SCHEDULE = {
         'task': 'mosquito.tasks.update_mosq_device_info',
         'schedule': crontab(minute="*/5"),
     },
-    # 'update-latest-statistic': {
-    #     'task': 'mosquito.tasks.update_latest_statistic',
-    #     'schedule': crontab(hour='*/1', minute=0),
-    # },
+    'update-latest-statistic': {
+        'task': 'mosquito.tasks.update_mosql_device_location',
+        'schedule': crontab(hour='*/2', minute=0),
+    },
 }
 
 # logging db query