diff --git a/apps/mosquito/migrations/0014_auto_20200601_1646.py b/apps/mosquito/migrations/0014_auto_20200601_1646.py
new file mode 100644
index 0000000..73b0533
--- /dev/null
+++ b/apps/mosquito/migrations/0014_auto_20200601_1646.py
@@ -0,0 +1,23 @@
+# Generated by Django 2.2.4 on 2020-06-01 08:46
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('mosquito', '0013_deviceinfo_device_name'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='devicepoststatistic',
+            name='create_time',
+            field=models.DateTimeField(auto_now_add=True, null=True, verbose_name='创建时间'),
+        ),
+        migrations.AddField(
+            model_name='devicepoststatistic',
+            name='update_time',
+            field=models.DateTimeField(auto_now=True, null=True, verbose_name='更新时间'),
+        ),
+    ]
diff --git a/apps/mosquito/models.py b/apps/mosquito/models.py
index b72006b..0d31e71 100644
--- a/apps/mosquito/models.py
+++ b/apps/mosquito/models.py
@@ -62,6 +62,8 @@ class DevicePostStatistic(models.Model):
     org = models.ForeignKey('Org', verbose_name='所在组织', on_delete='PROTECT')
     total = models.PositiveIntegerField(verbose_name='总数')
     date = models.DateField(auto_now_add=False, verbose_name='日期', unique=False)
+    create_time = models.DateTimeField(auto_now_add=True, blank=True, null=True, verbose_name='创建时间')
+    update_time = models.DateTimeField(auto_now=True, blank=True, null=True, verbose_name='更新时间')
 
     class Meta:
         verbose_name = '设备日志统计表'