diff --git a/apps/mosquito/api/serializers.py b/apps/mosquito/api/serializers.py
index e6834ba..98b453d 100644
--- a/apps/mosquito/api/serializers.py
+++ b/apps/mosquito/api/serializers.py
@@ -35,7 +35,15 @@ class MosqPostListSerializer(serializers.ModelSerializer):
 
 
 class DeviceTempLogSerializer(serializers.ModelSerializer):
+    last_time = serializers.SerializerMethodField()
+    create_time = serializers.SerializerMethodField()
 
     class Meta:
         model = DeviceTempLog
-        fields = '__all__'
+        fields = ['device_id', 'temperature', 'humidity', 'last_time', 'create_time']
+
+    def get_last_time(self, obj):
+        return obj.last_time.strftime('%Y-%m-%d %H:%M:%S')
+
+    def get_create_time(self, obj):
+        return obj.last_time.strftime('%Y-%m-%d %H:%M:%S')
diff --git a/apps/mosquito/api/views.py b/apps/mosquito/api/views.py
index e1401b8..5f99b98 100644
--- a/apps/mosquito/api/views.py
+++ b/apps/mosquito/api/views.py
@@ -1,8 +1,10 @@
+import pytz
 from rest_framework.generics import (
     ListAPIView,
     RetrieveAPIView,
     CreateAPIView
 )
+from django.utils.timezone import timedelta, datetime
 from rest_framework import filters
 from rest_framework.pagination import PageNumberPagination
 from django_filters.rest_framework import DjangoFilterBackend
@@ -75,16 +77,15 @@ class DeviceTempLogListAPIView(ListAPIView, RoleMixin, DeviceListMixin):
 
     def get_queryset(self, *args, **kwargs):
         user_roles = self.get_role()
-        queryset_list = DeviceTempLog.objects.get_queryset().order_by('-create_time')
+        queryset = DeviceTempLog.objects.get_queryset().order_by('-create_time')
 
         if 'staff' in user_roles or 'admin' in user_roles:
             device_list = self.get_device_list()
             device_ids = [query.device_id for query in device_list if query.org == self.request.user.org]
-            queryset_list = queryset_list.filter(device_id__in=device_ids)
-        # device_id = self.request.GET.get('device_id')
-
-        # if device_id:
-        #     queryset_list = queryset_list.filter(device_id__icontains=device_id)
-
-        return queryset_list
+            queryset = queryset.filter(device_id__in=device_ids)
+        last_day = self.request.GET.get('last_day')
+        if last_day == '1':
+            t = datetime.now().replace(tzinfo=pytz.timezone('UTC')) - timedelta(days=1)
+            queryset = queryset.filter(last_time__gte=t).filter(last_time__minute=0)
 
+        return queryset
diff --git a/apps/mosquito/migrations/0011_auto_20190901_1020.py b/apps/mosquito/migrations/0011_auto_20190901_1020.py
new file mode 100644
index 0000000..2caca1f
--- /dev/null
+++ b/apps/mosquito/migrations/0011_auto_20190901_1020.py
@@ -0,0 +1,19 @@
+# Generated by Django 2.2.4 on 2019-09-01 02:20
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('smart', '__first__'),
+        ('mosquito', '0010_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='devicetemplog',
+            name='last_time',
+            field=models.DateTimeField(blank=True, db_index=True, null=True, verbose_name='日志时间'),
+        ),
+    ]
diff --git a/apps/mosquito/models.py b/apps/mosquito/models.py
index 72ef7e2..fb97ebd 100644
--- a/apps/mosquito/models.py
+++ b/apps/mosquito/models.py
@@ -93,7 +93,7 @@ class DeviceTempLog(models.Model):
     device_id = models.CharField(max_length=100, verbose_name='设备ID')
     temperature = models.DecimalField(max_digits=6, decimal_places=2, verbose_name='温度')
     humidity = models.DecimalField(max_digits=6, decimal_places=2, verbose_name='湿度')
-    last_time = models.DateTimeField(null=True, blank=True, verbose_name='日志时间')
+    last_time = models.DateTimeField(null=True, blank=True, db_index=True, verbose_name='日志时间')
     create_time = models.DateTimeField(auto_now_add=True, verbose_name='创建时间')
 
     class Meta: